Read br_bd_trike_e.p65 text version

Service Manual

BR Trike

BD Trike

5.905-492 07.04

Foreword

BR/BD Trike

Foreword Good servicing and maintenance requires comprehensive, practical training and clearly organised documents. This is why we offer all servicing engineers regular basic training and further qualification courses for the whole product range. In addition, we compile service manuals for the main units which can be used as instructions to start with and as a reference work later on. In addition, we issue regular Service Information about on-going developments of our products.

The texts and pictures can only be copied and duplicated or passed on to third parties after obtaining explicit permission from

ALFRED KÄRCHER GmbH & Co. CUSTOMER SERVICE TRAINING P. O. Box 160 D-71349 Winnenden www.kaercher.com

2

BR/BD Trike

Contents

Contents

Unit functions ..........................................................................................................4 ­ 21

Unit features ...................................................................................................................... 7 ­ 13 Electronic control circuits ................................................................................................ 14 ­ 17 Functional diagram .......................................................................................................... 18 ­ 23

Troubleshooting .................................................................................................. 24 ­ 45

Unit moves too slow ................................................................................................................ 24 Unit can not be driven ...................................................................................................... 25 ­ 29 Brush rollers do not turn when the cleaning head is lowered .......................................... 30 ­ 31 Uneven scrubbing pattern ............................................................................................... 32 ­ 33 No or not enough water supply................................................................................................ 34 Dirty water not drawn in by the suction motor ................................................................. 35 ­ 37 Poor cleaning results ....................................................................................................... 38 ­ 39 Malfunction in the battery/battery charger ....................................................................... 40 ­ 42 Malfunction deep-discharge protection ............................................................................ 43 ­ 45

Go to the setup menu in the instrument panel printed circuit board .............. 46 ­ 47 Connecting the test unit and usage ................................................................... 48 ­ 49 Circuit diagram .................................................................................................... 50 ­ 57

Circuit diagram (0.088-170) ............................................................................................. 50 ­ 51 Circuit diagram (0.088-315) ............................................................................................. 52 ­ 53 Circuit diagram (0.088-552) ............................................................................................. 54 ­ 55 Circuit diagram (0.088-553) ............................................................................................. 56 ­ 57

Maintenance work ............................................................................................... 58 ­ 59 Technical specifications ..................................................................................... 60 ­ 61 Special tools ........................................................................................................ 62 ­ 63 Replacement times .............................................................................................. 64 ­ 65 List of key words ................................................................................................. 66 ­ 67

3

Unit functions

BR/BD Trike

The unit is a floor scrubber and is available both as battery (BAT) and package (PACK) version. Driving operation and steering ­ Three-wheel running gear with front wheel steering. ­ Solid rubber tyres with tread. ­ Drive by front wheel-hub motor. ­ Drive pedal for forwards and reverse, changeover with selection button. ­ The unit brakes automatically when the driver leaves the seat (seat contact switch) or when the drive pedal is released. ­ Electromagnetic brake on the wheel-hub motor prevents the unit from rolling away when switched off or when the EMERGENCY STOP button is activated. ­ Driven by four maintenance-free or low-maintenance 6-volt batteries (= 24 volt). ­ Battery monitoring with deep-discharge protection. ­ Standard PACK version with maintenance-free batteries and battery charger. ­ The operating hours are only counted when the unit is switched on with the key switch and the driver is sitting on the seat (seat contact switch). Water system The fresh-water tank must be filled with water and detergent in the right ratio before starting operations. The water flows to the brush head by the force of gravity. The water quantity can be controlled by the knob of the water metering valve. The version with water pump (M5) is only available as "mounting kit in recycling mode".

Suction system The suction beam is lowered with a lever. The suction motor (M2) is switched on at the same time. The suction motor (M2) generates a vacuum in the dirty water tank through the air ducts in the tank lid and in the unit housing. In this way the dirty water is sucked in by the suction beam through the suction hose into the dirty water tank. When the water in the dirty water tank has reached the maximum level, the float seals the vacuum intake in the tank lid. The fresh water tank is drained by opening the drain tap. Note: The suction motor (M2) does not switch off automatically when the dirty water tank is full. The suction motor (M2) can overheat if it does not draw in any air for a longer period of time. If the suction motor is switched off by the switch, it runs on for approx. 10 seconds to suck out the remaining water form the suction hose (after-running time). Suction beam The rubber strips on the suction beam can be replaced without needing any tools. The angle of inclination of the suction beam can be adjusted without needing any tools. Electric system The control including fuses and printed circuit board is located behind the front cover and control panel. ­ Control panel with EMERGENCY STOP button ­ Display battery capacity control, battery monitoring and display for unit settings (PACK version only).

4

BR/BD Trike

Unit functions

Cleaning mode BR/BD Trike The brush head is lowered with the foot pedal, at the same time the brush motors are switched on. The brush contact pressure is fully adjustable at the handwheel. If the brush motors are overloaded, e.g. too much contact pressure or the brushes are blocked, they are switched off automatically (overload protection). Cleaning mode BR Trike The two brush rollers have the same speed and the same direction of rotation, one brush motor.

Battery The remaining battery capacity is shown by the flashing LED. If the red LED lights up, all functions are automatically switched off apart from driving. The unit can still be driven to the next recharging station. Battery charger The BAT version is supplied without battery and battery charger. The PACK version is supplied with battery charger and batteries integrated in the unit. Note: A detailed description of the battery and battery charger can be found in the Battery Service Manual (5.905-332), together with maintenance information and the technical specifications.

Cleaning mode BD Trike The two disc brushes rotate at the same speed in the opposite direction to each other two disc brush motors.

5

Unit functions

BR/BD Trike

10 Sek.

S3

Suction beam raised When the suction beam is raised, a microswitch (S3) is activated so that the electronic control circuit switches the suction motor off after a delay of approx. 10 seconds. This delay prevents dirty water from draining out of the suction hose before it has a chance of reaching the dirty water tank. S3 microswitch suction motor M2 suction motor

M2

Suction beam raised

A max. 5 Sek.

M3/4

Overloaded brush motor M3, M4 If the brush motors are overloaded from too much contact pressure or if a for eign body/cord has wrapped a round the brushes, the power consumption increases. After a delay of approx. 5 seconds, the printed circuit board switches the brush motors off and the control lamp lights up. The delay prevents short peak loads from causing the brush motors to switch off immediately. This delay is a factory setting and can not be changed. M3/4 brush motors A max. max. power consumption Note: The brush motors switch off after 2 - 5 seconds when the unit is at a standstill (delay can be adjusted in the setup menu of the printed circuit board) and switches on again immediately as soon as the unit starts to drive again. Dirty water tank is full When the dirty water tank is full, the float closes the intake to the suction motor immediately. The suction motor (M2) continues running but the dirty water cannot be sucked up from the floor. The dirty water tank must be emptied.

Overloaded brush motor

6

BR/BD Trike

Unit functions

Unit features

3 1 2 4 5 13 6

7

12 10 9

8

11

1 2 3 4 5 6 7 8 9

Steering bar Seat Tank lid Fresh/dirty water tank Drain hose for dirty water Suction beam with deflector rollers Rear wheel Brush head (BD Trike) Brush head (BR Trike)

10 Lever for lowering raise the suction beam 11 Change-over valve for recycling mode (option) 12 Front wheel with wheel-hub motor 13 Front panel

7

Unit functions

BR/BD Trike

Unit features

2 1 3

7

4

5 14 13 11 10 12 9 8 6

1 Drain hose for dirty water with metering function (ORIGINAL) 2 Drain hose for dirty water (REVISED) 3 Curved suction beam 4 Suction beam guide plate, fastening screws 5 Rubber strips (ORIGINAL) 6 Rubber strips (REVISED)

7 8 9 10 11 12 13 14

Suction hose, suction beam Suction beam straight Suction beam fastening screw Support wheel, suction beam (2x) Deflection rollers, suction beam Adjusting screw, suction beam Battery panel Rear wheel

8

BR/BD Trike

Unit functions

Unit features

3 2 4 5 6

1

7 8

10

1 2 3 4 5 6 7 8 9 10

Seal plate, recycling mode Tank lid Float Fluff filter Tank lid seal Fresh-water filling Suction motor (M2) Batteries (4 x 6 volt) Drain tap, fresh water tank Water hose from fresh water tank

9

9

Unit functions

BR/BD Trike

Unit features

1 9

8

2 3

7

6

5

4

10

BR/BD Trike

Unit functions

Unit features

1 2 3 4 5 6 Instrument panel printed circuit board (A2) Foot pedal (water inlet valve, brush head) Foot pedal for forwards and reverse Adjustiry knob for adjusting the brush contact pressure Knob with metering valve (water inlet, brush head) Lever for raising and lowering the suction beam, switches the suction motor on and off at the same time Change-over valve, recycling mode (option, see page 21) Pedal for raising and lowering the brush head, switches the brush motor on and off at the same time Mains plug for battery charger, only for package (PACK) version. Note: The water inlet metering valve (5) for fine adjustment of the water quantity is a standard feature introduced in 2000 and can be retrofitted on request (see Service Information International 2000-16, point 10).

7 8

9

11

Unit functions

BR/BD Trike

Unit features

ORIGINAL

11

2 1

3

10

7

9

8

6

4

REVISED

11

1

2

3

4 10 9 8 7 6 5

12

BR/BD Trike

Unit functions

Unit features

1 Instrument panel printed circuit board (A2). 2 EMERGENCY STOP SWITCH (S2). Switches off all unit functions and brakes the unit immediately. 3 Key switch (S1). The unit is only switched on if the driving pedal is not pressed. If the message "GAS PEDAL" appears on the display: ­ release the driving pedal immediately ­ switch the unit off with the key switch (S1) ­ switch the unit on again with the key ­ switch (S1). 4 Monitoring battery capacity. 5 Horn (H1). 6 Display (option, standard in the PACK version). 7 Button (S6) for information query, appears on the display (6): ­ battery voltage ­ number of operating hours ­ version of installed microprocessor ­ current speed in km/h or fault message "GAS PEDAL". 8 Reverse drive entry button (S8). 9 Forward drive entry button (S7). 10 Mains plug for battery charger (PACK version only). 11 Indication, battery charge control. Battery charge control (11) yellow LED: (left symbol) batteries are being charged

green LED: batteries are fully charged (middle symbol) red LED: (right symbol) no display: batteries or battery charger defect no mains voltage. Battery not connected up.

Monitoring battery capacity (4) ­ Flashes at battery voltage 22.8 V (factory setting, maintenance-free batteries). ­ Stays on permanently at battery voltage 22 V (factory setting, maintenance-free batteries). The brush motor is switched off after 30 ­ 60 seconds. The suction motor (M2) is switched off after an additional 15 seconds. The Trike can still be driven to the charging station until 21 V is reached. The display (6) then shows "Batteries empty".

13

Unit functions

BR/BD Trike ORIGINAL

Electronic control circuits

F6 F2 X8 X7

3 2 1 6 5 4

X9 H1

F3 X7 K2 F1 X6 P K1 X3A X3B X4A X4B

8 7 6 5 4 3 2 1

K3 X5A X5B F4

X6

16 15 14 13 13 11 10 9

A1

X2

14

BR/BD Trike

Unit functions ORIGINAL Coded connector X9 The connector (X9) is coded to guarantee that it is plugged into the printed circuit board (A1) the correct way. This is not a broken plug terminal but a coding feature. Microprocessor P Various functions have been changed with microprocessor (P) version 3.15: ­ The working speed reduces to 4.5 km/h and can be adjusted. ­ The brush motor switches off if the unit is at a standstill for longer than 5 seconds. As soon as the unit again driven, the brush motor switches on again. ­ The switch-off value of the deep-discharge protection can be adjusted in the setup menu (see technical specifications). Additional functions are available with the microprocessor (P) version 3.17: ­ The working speed can be adjusted between 40 and 100% of the travelling speed. ­ The automatic brush stop can be adjusted between 2 and 5 seconds.

Electronic control circuitsL

A1 F1 F2 F3 F4 F6 H1 K1 K2 K3 P X2 X3 X4 X5 X6 X7 X8 X9

Printed circuit board Fuse, control circuit (3A) Fuse, brush motor (70A) Fuse, suction motor (40A) Fuse, drive system (40A) Fuse, safety diode (15A) Horn (from factory No. 20458) Main relay Relay, brush motor Relay, suction motor Microprocessor Connection battery minus pole Connection drive motor (M1) Connection magnet brake (Y1) Connection suction motor (M2) 16-pin control connector (see circuit diagram for wire numbers) 6-pin battery charger connector (see circuit diagram for wire numbers) 12-pin instrument panel module connector (new version with cable guide) 14-pin display connector

15

Unit functions

BR/BD Trike REVISED

Electronic control circuits

X7

3 2 1

6 5 4

8 7 6 5 4 3 2 1

X6

16 15 14 13 13 11 10 9

16

BR/BD Trike

Unit functions REVISED Changes in Setup menu: ­ Clean speed is no longer stored in Setup menu. User can now set the speed with the "Info"Button. Microprocessor P Various functions have been added with circuit board version 4.0: ­ "Reverse-Alert" setting option: If standard "ON" setting is activated, the horn sounds continuesly when reversing. If "OFF" setting is activated the horn is switched off. ­ "Overload protection of brush motor" (I-MBMAX -setting option: 40 - 80 A, standard setting = 68 A) ­ "Standby mode": If the unit is not operating for 30 minutes, the unit switches to standby mode. (To switch on the unit, turn key switch to "0", then back to "1".)

Electronic control circuits

A1 F2 F3 F4 K1 X4 X6 Printed circuit board Fuse, brush motor (3A) Fuse, suction motor (7,5A) Fuse, drive system (40A) Main relay

Connection magnet brake (Y1) 16-pin control connector (see circuit diagram for wire numbers) X7 6-pin battery charger connector (see circuit diagram for wire numbers) X8 12-pin instrument panel module connector (new version with cable guide) X17 Connection brush motor X18a Connection MF X19 Connection suction motor (M2)

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Unit functions

BR/BD Trike

Function diagram

Unit function brush drive and suction system

1 2

13 3

8 14

15

4

6

12

16 9 8 7 5 9

8

10 7 11

18

BR/BD Trike

Unit functions

Function diagram

Unit function brush drive and suction system

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Suction motor (M2) Drain hose for dirty water Suction hose Suction beam Brush head BD Trike Brush motor BD Trike (M3, M4) Microswitch brush motor (S4) Foot pedal for lowering raising the brush head Disc brushes (BD Trike) Brush head BR Trike Brush motor BR Trike (M3) Brush rollers (BR Trike) Adjustiry knob for adjusting the brush contact pressure Lever for raising and lowering the suction beam Microswitch suction turbine (S3) Rear mounting holes

Function The brush heads (5, 10) are lowered by accuating the foot pedal (8). When it is lowered, the microswitch (7) is activated and the brush motors (6, 11) are switched on. The contact pressure of the brush head can be adjusted by the hand screw (13). The suction beam (4) is lowered by releasing the lever (14). When it is lowered, the microswitch (15) is activated and the suction motor (1) is switched on. The suction motor (1) draws the dirty water through the suction hose (3) into the tank.

19

Unit functions

BR/BD Trike

Function diagram

Unit function water and suction system

1

2

3

4

5 12 11 6

7

10

9

8

1 2 3 4 5 6 7 8 9 10 11 12

Fluff filter Float (mechanical) Dirty water Tank lid Drain hose, dirty water Suction hose Suction beam Drain tap, fresh water Rubber strip, splashguard Brush head (BR Trike) Fresh water Suction motor (M2)

20

BR/BD Trike

Unit functions

Function diagram

Drive motor The entry buttons on the instrument panel change the drive motor direction over between forward drive or reverse drive. To move the unit in neutral, the freewheeling lever on the left of the drive motor must be pulled out and locked with a suitable object. The freewheeling lever (1) deactivates the electromagnetic brake (2) of the drive motor.

1 2

Drive motor with freewheeling lever

3

Tank lock The tank (3) is secured with the Allen bolt (4) to prevent it from being opened. To open the tank (3), the Allen bolt (4) has to be unscrewed. The tank is only secured on the righthand side of the unit.

4

Tank lock

1 Freewheeling lever of the electromagnetic brake 2 Drive motor 3 Fresh/dirty water tank 4 Allen bolt

21

Unit functions

BR/BD Trike

Function diagram

Basic function

2 1

3

15 14 13 12 8 9 11 5 7 4

6

10

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Suction motor (M2) Fluff filter Tank lid Suction hose Suction beam Fresh water Drain hose, fresh water Drain hose, dirty water Metering valve, with knob Brush rollers (BR Trike) Disc brushes (BD Trike) Metering valve, foot pedal Dirty water Float (mechanical) Fresh/dirty water tank

22

BR/BD Trike

Unit functions

Function diagram

Basic function with recycling mode (option)

2 1

3

18 17 16 15 14 8 7 6 4

13

11

10

9 5

12

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Suction motor (M2) Fluff filter Tank lid Suction hose Suction beam Fresh water Drain hose, fresh water Drain hose, dirty water Change-over valve, recycling mode (option) Water pump (option) Metering valve with knob Brush rollers (BR Trike) Disc brushes (BD Trike) Metering valve, foot pedal Water filter recycling mode (option)

16 Dirty water 17 Float (mechanical) 18 Fresh/dirty water tank Note: The option for recycling mode (with pos. 9, 10 and 15) can be retrofitted with mounting kit (2.639-611) and assembly instructions (0.082-429).

23

Troubleshooting

BR/BD Trike

Unit moves too slow

Check fuse drive motor (F4) ­ Replace defective fuse (only use genuine fuse). Check adjustment

F4

Note: If the gap between the pressure plate (2) and the magnet coil (1) is 0,8 mm (0.032 in) when removed, this will be automatically 0,3 mm (0.012 in) when installed. The brake must hold the unit on a 10 % inclination at full load. If the braking action after adjustment is not adequate replace the brake disc (9).

Check fuse drive motor F4, (BR/BD Trike ORIGINAL )

2

1

4

The tolerance between the magnet coil (1) and the pressure plate (2) must be 0,3 mm (0.012 in). ­ Switch the unit off with the key switch (S0). ­ Check the gap between the pressure plate (2) and the magnet coil (1) with a feeler gauge. The gap can only be adjusted when the magnet coil (1) is removed.

6

Remove the magnet coil and adjust the brake The tolerance between the magnet coil (1) and the pressure plate (2) must be 0,8 mm (0.032 in) when removed. ­ Unscrew the mounting bolts (5) and remove the magnet coil (1). ­ Check the gap between the pressure plate (2) and the magnet coil (1) with the feeler gauge. ­ Adjust the gap with the retaining bolts (4).

4 5 3

Check adjustment

1 2 3 4 5 6 7 8 9

Brake adjustment

Magnet coil Pressure plate Feller gauge (0,3 mm / 0.012 in) Brake lever retainer bolts (2x) Mounting bolts, magnet brake Torx 15 (3x) Brake lever, to release the brake Feeler gauge (0,8 mm / 0.032 in) Steel plate Brake disc

24

BR/BD Trike

Troubleshooting

Unit can not be driven

Check battery plug and EMERGENCY STOP switch S2 ­ Reset the EMERGENCY STOP switch (S2) by turning it gently to the right or left. ­ Check that the battery poles are connected properly, plug in the battery plug. No load on the seat contact switch S5 ­ Put at least 10 kg (22 lbs.) load on the seat.

X2

X2

V

X6.14 X6.5

30

V

15

S1 S5

Check seat contact switch S5 and key switch S1

Check seat contact switch S5 Use test unit (see page 46 ­ 47) or proceed as follows: ­ Check that the seat contact switch (S5) is connected properly. ­ Switch the key switch (S1) on and put a load on the seat contact switch (S5). ­ Use the volt meter to check the voltage at connector X6. If no measured value is shown, the seat contact switch (S5) has to be replaced. Also check the leads. Check fuse F1/F4 ­ Replace defective fuses. Check key switch S1 ­ Switch the key switch (S1) on. ­ Measure the voltage with the volt meter at connections 15 and 30. If no measured value is shown, the key switch (S1) has to be replaced. Also check the leads.

Check seat contact switch S5 for correct connection

X16 X2

30

F6

K1

87

V

V3

Main relay K1 does not activate If the relay (K1) does not activate, none of the functions will work. The relay (K1) activates as soon as the key switch (S1) is switched on. If the relay (K1) does not aktivate, check the power supply. Measured value = battery voltage. If the relay (K1) does not activate when voltage is present, it is defect and has to be replaced.

X16 ORIGINAL X2 REVISED

Check relay K1

25

Troubleshooting

BR/BD Trike

Unit can not be driven

Check potentiometer/drive sensor B1 ­ Put a load of approx. 10 kg (22 lbs.) on the driver's seat. ­ Switch the key switch (S1) on and press button (3 or 4). Use the test unit (see page 46 ­ 47) to check the potentiometer/drive sensor. Note: The drive sensor can be retrofitted to units with potentiometer (see Service Information 2000 - 14, point 3).

4

3

2

1

Instrument panel module

X7

Check the battery charger connection In the PACK version, the battery charger is integrated in the unit. The unit only moves when the battery charger is connected up to the printed circuit board. ­ Bridge X7 (contact X7.1 and X7.4) to simulate the presence of a battery charger, to allow for operation without a battery charger.

A1

Check contact X7.1 and X7.4

1 2 3 4

Key switch (S1) Display Forward drive entry button Reverse drive entry button

26

BR/BD Trike

Troubleshooting

Unit can not be driven

Check drive motor M1 ­ Switch the key switch (S1) on, press the forward drive entry button (S7) and put a load on the seat. ­ Press the drive pedal. ­ Measure the voltage between contacts X3A and X3B using the volt meter. If voltage is indicated without the drive motor moving, check the resistance in the motor. Also check the electromagnetic brake (Y1), adjust if necessary (see page 22).

-S7

-S8

12pin Connector

X8

-A1

V

X18a X3A X18b X3B

X18a X18B

M -M1

REVISED REVISED ORIGINAL ORIGINAL

X3A X3B

Check the power supply for the drive motor

Check printed circuit board A1 and instrument panel printed circuit board A2 ­ Switch the key switch (S1) on, press the forwards drive entry button (S7) and put a load on the seat. ­ Press the drive pedal. ­ Measure the voltage between contacts X3A and X3B using the volt meter. ­ Repeat the test with the reverse drive entry button (S8). If no voltage is shown, check and/ or replace the instrument panel printed circuit board (A2) and/or the printed circuit board (A1).

4

3

2

1

Printed circuit board A1 (BR/BD Trike)

A1 S7 S8 M1

Drive control module Forward drive entry button Reverse drive entry button Drive motor

27

Troubleshooting

BR/BD Trike

Unit can not be driven

Check potentiometer/drive sensor B1 If the error message "Gas pedal" appears in the display when the unit is switched on, the following faults are possible: ­ Gas pedal was pressed before switching the unit on. ­ Potentiometer/drive sensor must be re-adjusted. In units with instrument panel printed circuit board (A2) without a display, the same fault can be presumed if the diodes (1) do not light up when the forwards/reverse, drive entry button (2, 3) is pressed. Note: As from factory no. 20000, a drive sensor (contactless drive control) is fitted instead of the potentiometer. Adjust/replace drive sensor B1 (units as of serial No. 20000) ­ Disconnect battery. ­ Remove instrument panel printed circuit board (A2). ­ Remove steering bar. ­ Remove all foot pedals. ­ Dismantle suction beam lever. ­ Remove foot room tray. ­ Loosen fastening screws (4). ­ Use test unit (page 46 ­ 47) to check the correct position of the drive sensor, replace the drive sensor if necessary. ­ Tighten fastening screws (4). ­ Assemble in reverse order.

1 2

3 1

Buttons, instrument panel printed circuit board

4

5

Drive sensor (as of serial No. 20000)

1 Diodes 2 Forward drive entry button, instrument panel printed circuit board 3 Reverse drive entry button, instrument panel printed circuit board 4 Fastening screws, drive sensor 5 Drive sensor (B1)

28

BR/BD Trike

Troubleshooting

Unit can not be driven

12 3 4 5 9 8 7

6

Potentiometer (up to serial No. 19999) with Bowden cable, lever and spiral spring (illustrated without front plate and battery charger)

4 10

11 12 13 14 3

Potentiometer (up to serial No. 19999) with Bowden cable

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Return spring Potentiometer shaft Bowden cable from the drive pedal Adjusting nut, Bowden cable Bracket Threaded sleeve Stopper for lever Lever Fastening nut, potentiometer Potentiometer (B1) Drive pedal Deflection roller Spacer sleeve Spring, drive pedal

Adjust, replace potentiometer B1 (units up to serial No. 19999) When the drive pedal (11) is pressed, the Bowden cable (3) pulls the lever (8) back and thus turns the shaft (2) of the potentiometer (10). The further the drive pedal is pressed down, the further the lever is pulled back and the faster the unit moves. ­ Remove front panel. ­ Disconnect battery. ­ Remove instrument panel printed circuit board (A2). ­ Remove steering bar. ­ Remove all pedals. ­ Dismantle suction beam lever. ­ Dismantle foot room tray. ­ Remove battery charger (in PACK version). ­ There is an adjusting nut (4) on the Bowden cable. Turn the adjusting screw (4) until the shaft of the potentiometer (10) no longer rotates. ­ The lever (8) is at the stopper (7) (if necessary, adjust the neutral position of the potentiometer (10) bending the stopper (7). ­ The Bowden cable (3) must have a tolerance of 1 ­ 2 mm (0.04 ­ 0.08 in), adjust the Bowden cable (3) by using the adjusting nut (4) if necessary. ­ Check that the Bowden cable (3) moves freely. The Bowden cable must not scrape on the threaded sleeve (6). If necessary, bend the bracket (5). Check that the return spring (1) functions properly (replace if necessary). ­ Check that the spacer sleeve (13) fits correctly. ­ Check the setting with the test unit (see page 46 ­ 47), if necessary readjust the adjusting nuts (4) again. Replace the defective parts if necessary.

29

Troubleshooting

BR/BD Trike

Brush rollers do not rotate when the cleaning head is lowered

Check brush motor fuse F2 ­ Check electric system for short circuit. ­ Replace defective fuse. Check, adjust toothed drive belt (BR version) ­ Switch the key switch (S12) off and disconnect the battery plug. ­ Remove the cover plate from the brush head. ­ Loosen the tension roller (3). ­ Check the toothed drive belt (4), replace if necessary. ­ Install the new toothed drive belt (4) with the tension roller and tighten the tension roller. Note: The toothed drive belt (4) must be tightened with a suitable tool in such a way that it can only be depressed max. 5 mm (0.20 ") when pushed hard with your thumb. Check, adjust microswitch S4 for the brush motor M3, M4 Use the test unit (see page 46 ­ 47) to check the microswitch (S4). The microswitch (S4) is activated when the brush head is lowered and switches the brush motor on. The microswitch (S4) can be adjusted with the fastening screws (7). The foot room tray has to be removed to replace or adjust the micro switch (S4). Note: The brush motor must switch on before the brushes touch the floor.

1

5

4

3

2

Brush drive BR version

6

7

8

Microswitch S4 for brush motor (illustrated without foot room tray)

1 2 3 4 5 6 7 8

Motor drive shaft Belt pulley, rear brush roller Tension roller Toothed drive belt Belt pulley, front brush roller Microswitch (S4) Fastening screws Lever, brush lowering

30

BR/BD Trike

Troubleshooting

Brush rollers do not turn when the cleaning head is lowered

Check relay K2 ORIGINAL for the brush motors ­ Switch the brush motor on by lowering the brush head. ­ Use the volt meter to measure the voltage between terminal 85/86 and 30/87. ­ If the relay (K2) does not trigger when voltage is present, then the relay is defect.

X2

X6.2 X6.10

X2

30

V

K2

86

24DC

K2

87

V

85

Check relay K2

ORIGINAL Check brush motor M3, M4 ­ Lower the brush head, at the same time measure the voltage K2 between terminal 87 and ground. ­ If voltage is shown, replace the defective motor. ­ If necessary, check the resistance of the brush motor (M3, M4) (ohm-meter).

M3

30

K2

87

V

M

M

M4 *

Check brush motor M3, M4 (M4 only in BD Trike)

ORIGINAL

K2 M3 M4 X6

relay brush motor brush motor, BR version BD version only 16-pin control connector

31

Troubleshooting

BR/BD Trike

Uneven scrubbing pattern

Check and adjust scrubbing pattern (BR Trike) ­ Switch unit on with key switch (S1). ­ Spray a flat surface with soapy water and move the unit over this area (use chalk for concrete floor). ­ Lower the brush head so that the brushes start to rotate. Raise again after approx. 10 seconds. In units with automatic brush stop (from microprocessor version 3.17), adjust the switch-off time to 20 sec. in the setup menu of the instrument panel printed circuit board (A2). ­ Move the unit backwards and check the scrubbing pattern on the floor. ­ For conical scrubbing pattern C and D, adjust the two adjusting screws (1) of the brush head. ­ For uneven scrubbing pattern A and B, adjust the adjusting nuts (3) of the lever (5) on the brush head. ­ Check the scrubbing pattern again, adjust again if necessary. The scrubbing pattern of both brush rollers must be the same. ­ If necessary, replace the brush rollers (see page 36, replacing the brush rollers). Note: In BD Trike it is not possible to adjust the scrubbing pattern.

2

A B

C D

Scrubbing pattern with different width at front and rear

1

1

Adjust scrubbing pattern (BR version)

3 5

4

2

1 2 3 4 5

Adjusting screws (scrubbing pattern) Brush head BR trike Adjusting nuts, brush head Bracket, brush head Lever, brush head

Adjusting the scrubbing pattern (BR version)

32

BR/BD Trike

Troubleshooting

Uneven scrubbing pattern

Check free movement and compensation weights for brush head (BR Trike) If there are still different or conical widths in the scrubbing pattern in spite of making the adjustments, ­ check that the brush head moves freely when raised/lowered), ­ check the compensation weight (1) (see also Service Information 1999-10, point 3 and 200123 point 8), re-adjust if necessary, screw tight.

1

2

Check compensation weight

3

4

5

Power consumption of brush motor

Measure power consumption of brush motors (M3, M4) ­ Lower brush head (2). ­ Let brushes run for approx. 10 seconds on wet, rough concrete floor. ­ In units with automatic brush stop (from microprocessor version 3.17), adjust the switch-off time to 20 sec. in the setup menu of the instrument panel (see page 44). ­ Check the power consumption of the brush motors (nominal values see Technical Specifications). If power consumption is too large, check whether the belt tension is too high or whether the drive components are jamed. ­ If necessary, relieve the pressure on the brush head by adjusting the brush contact pressure with the hand screw, until the required power consumption is reached.

1 2 3 4 5

Compensation weight Brush head (BR Trike) Relay brush motor (K2) Printed circuit board (A1) Multimeter

33

Troubleshooting

BR/BD Trike

No or not enough water supply ORIGINAL(water pump optional)

Fresh water tank empty ­ Fill the fresh water tank.

30

K1

87

-F5

Note: The fresh water tank must always be filled completely before using for the first time or after being drained completely so that the system can bleed automatically. ­ In units with an optional water pump, it can take approx. 20 seconds until the water is pumped to the brush head when filling the fresh water tank for the first time. Check metering valve handwheel and water inlet valve foot pedal ­ There are no in any of the valves. If the valves are stiff, remove, clean or replace. Check change-over valve recycling mode (option) ­ There is no filter in the valve. If the valve is stiff, remove, clean or replace. ­ Clean the filter in the dirty water tank. Water pump M5 (option) is not working Check fuse F5 ­ Check electric system for short circuit. ­ Replace defective fuse. Check microswitch S9 and water pump M5 ­ Switch key switch (S1) on. ­ Use a volt meter to check the power supply to the water pump (M5). ­ If there is no voltage, check the connection leads and/or replace the microswitch (S9). ­ If voltage is present, check the water pump M5 with a ohm-meter and replace if necessary.

S9

V

M

M5

Check switch S9 and water pump M5

F5 K1 M5 S9

Fuse, water pump Main relay Water pump (option) Microswitch, water pump (option)

34

BR/BD Trike

Troubleshooting

The dirty water is not drawn in by the suction motor

Dirty water tank full When the dirty water tank is full, the suction motor (M2) does not switch off. ­ Drain the dirty water tank. Suction beam raised If the suction beam is raised, the suction motor (M2) remains switched off. It does not switch on until the suction beam is lowered (microswitch S3). Check tank lid seal (1) If the tank lid seal (1) is not sealing properly, then the suction motor (M2) draws false air. Check that the seal fits properly and look for any signs of damage. Fluff strainer (2) clogged ­ Remove and clean fluff strainer (2). Check float function ­ Check that the float moves freely, clean replace if necessary.

Check tank lid seal (1) and fluff filter (2)

Note: A new float has been introduced from the factory No. 20653. It has a different height. The new float is only 46 mm high and can be retrofitted if required (see Service Information 2000-29, point 6).

Check float

X2

Check fuse F3 suction motor ORIGINAL ­ Replace defect fuse. ­ Check electric system for short-circuit. Relay K3 does not actuate The relay (K3) must actuate as soon as the suction motor (M2) is switched on. ­ Switch the suction motor (M2) on by lowering the suction beam and check that the microswitch (S3) switches. ­ Use the volt meter to measure the voltage between terminal X5A, X2 and X5B, X2. ­ If the relay (K3) does not actuate when voltage is present, the relay (K3) is defective.

G1X 5A

F3

30

V

K3

87 X 5B

Check relay K3 / fuse

ORIGINAL 35

Troubleshooting

BR/BD Trike

Dirty water is not drawn in by the suction motor

Check drain hose If the drain hose is damaged, the suction motor (M2) draws false air and there is no suction effect. ­ Check whether the metering valve (1) or lid (2) is damaged. ­ In the metering valve (1), check whether the two O-rings(4) are soiled, clean or replace as necessary. ­ Check the hose for any signs of damage, replace as necessary.

1

2

3 4

Check drain hose

6

5

Check microswitch S3 suction motor The microswitch (S3) is activated when the suction beam is lowered and switches the suction motor (M2) on. It cannot be adjusted. Use the test unit (see page 46 ­ 47) to check the functions of the microswitch (S3). ­ If necessary, check the connection leads, replace the microswitch (S3). ­ Alternatively check the microswitch (S3) for continuity at connector (X6) between contacts 1 and 9 with an ohm-meter.

Microswitch S3 for suction motor

X6.1

X6.9

S3

1 2 3 4 5 6

Metering valve (old) Lid (new) Drain hose O-ring, metering valve Microswitch, suction motor (S3) Lever for raising/lowering the suction beam

Check microswitch S3 with ohm-meter

36

BR/BD Trike

Troubleshooting

Dirty water is not drawn in by the suction motor

X2 X5B

V

Check connection voltage for the suction motor M2 ­ Switch the key switch (S1) on and lower the suction beam. ­ Use the volt meter to check the power supply between X5B ORIGINAL (X19 REVISED ) and X2. ­ Measured value = battery voltage. If no measured value is shown, check the connection leads with an ohm-meter. Check suction motor M2 ­ Switch the key switch (S1) off and disconnect the battery plug. ­ Raise the suction beam so that the suction motor (M2) is switched off. ­ Use the ohm meter to check continuity of the suction motor (M2) one wire disconnected. Note: A long-life suction motor is available as an option.

M2

M

Check suction motor M2

ORIGINAL

X2

X19

V

M2

M

Check suction motor M2

REVISED

37

Troubleshooting

BR/BD Trike

Poor cleaning results

Check brush rollers, replace ­ Loosen wing nuts (4) and pull off cover plate (2). ­ Pull brush rollers (1,5) out to the side and check for wear, replace if necessary. ­ Push brush rollers (1,5) onto mandrel and fit the cover plate (2) with the holding arbor (3). Reinstall the cover plate with the wing nuts (4). ­ Check the scrubbing pattern, adjust if necessary (see page 30). Uniform wear indicates abrasion caused by normal operation. If the brush rollers run untrue, this indicates that they are out of round. This can be caused if the brush head has not been raised when parking the unit. Conical wear indicates one-sided load on the brush head. To remedy conical wear of the brush rollers: ­ Check that the brush head moves freely when raising/lowering. ­ Adjust the scrubbing pattern (see page 30 ­ 31 uneven scrubbing pattern). ­ Check the counterweight of the brush head. Adjusting the brush contact pressure The brush head is suspended at altogether 3 points. The two rear suspensions form the pivot around which the brush head is swivelled up and down. The lever for the front suspension adjusts the freedom of movement (brush contact pressure) with the adjusting knob (7). The lever for the brush suspension must move freely in the holder and not be jammed when the brush head is lowered.

6 5 4 4 3 3 1 2

Removing the brush rollers (BR Trike)

7

Adjusting the contact pressure

1 Front brush roller 2 Cover plate 3 Holding arbor with string deflector, brush rollers 4 Wing nut 5 Rear brush roller 6 Suction channel, brush motor cooling air 7 Adjusting knob, brush contact pressure

38

BR/BD Trike

Troubleshooting

Poor cleaning results

Check rubber strips If the rubber strips (5) are worn, they can be removed and rotated by 180° and then reinstalled (only applies to the new version). ­ Check rubber strips, replace if badly worn or cracked. Adjust the suction beam The suction beam can be adjusted in its inclination angle. The inclination is adjusted with the adjusting screws (6). The support wheels (2) should also prevent the lowered suction beam from being damaged while reversing. Note: The following applies to suction beams without support wheels (2): When the suction beam is lowered, do not change over abruptly from forwards to reverse. Raise the suction beam before reversing. Check splashguard strip of the brush head (BR Trike) ­ Check for wear, replace if necessary. The splashguard strip must have even flor contact. Check water system Check drain hose, suction hose, fluff strainer, tank lid seal, metering valve, suction motor (M2) and tank outlets for dirt or damage.

Adjusting screws for suction beam

1 2

3

2

4 2

2 5

Check rubber strips

6

6 7 7

8 9

1 2 3 4 5 6 7 8 9

Suction beam (new) Support wheel Rubber strips (old) Suction beam (old) Rubber strips (new) Adjusting screws for inclination Retaining screws for suction beam Brush head (BR version) Splashguard strip

Check splashguard strip for brush head

39

Troubleshooting

BR/BD Trike

Malfunction battery, battery charger

Check voltage of individual batteries ­ Check voltage with the test prods at each battery (+/­) poles. ­ Repeat measurement for all batteries. Note: The difference in voltage between the individual battery blocks must not exceed max. 0.05 V.

1

Check individual voltage

Check total voltage ­ Check voltage with the test prods at the main battery connection cables. Note: Information about battery care, maintenance and diagnosis see "Battery Service Manual" (5.905-332).

1

Check total voltage

Check battery connection and connection poles ­ Key switch (S1) to setting "0". ­ Clean pole and lubricate with battery pole grease. ­ Connect the poles with the connection cable as shown in the drawing. ­ Tighten the screws at the pole terminals.

1 Multimeter

Connection and connection poles of the batteries

40

BR/BD Trike

Troubleshooting

Malfunction battery, battery charger

Manufacturer

HAGEN DETA DETA SONNENSCHEIN

Designation

24V GiV 160 (5)

Capacity

160 Ah 180 Ah 160 Ah 160 Ah

Voltage

4x6V 4x6V 4x6V 4x6V

Kärcher order no.

6.654-071 6.654-130 6.654-089 -

Certified batteries and battery chargers ORIGINAL battery charger Maintenance-free batteries must only be recharged using the battery charger for maintenance-free batteries (Kärcher order no. 6.654078). Low-maintenance batteries must only be recharged with the battery charger for low-maintenance batteries (Kärcher order no. 6.654-072). REVISED battery charger A new battery charger (6.654-145) has been installed in BR/BD Trike PACK from serial number 23 595. If required, the old battery charger can be replaced with the new battery charger (4.839-324 = battery charger complete incl. all replacement parts). Note: The characteristic curve of the new battery charger can be switched from maintenancefree to low maintenance. The battery charger has been set to maintenance-free batteries as standard. The characteristic curve is indicated on the sticker (Yellow sticker is for maintenance-free, blue sticker is for low maintenance). The battery charger is supplied with an operating manual which describes the procedure for switching over the charactericstic curve. Charging time The charging time should be 10 ­ 15 hours. Note: If the unit is not used for a longer period of time, re-charge the batteries regularly to protect against deep-discharge: maintenance-free batteries every 6 months ­ low-maintenance batteries every 3 months Units with low maintenance batteries only: When charging wet batteries, the tank must be opened fully so that the gases can escape during the charging process. It is not permittet to place the battery connectors on the outside of the tank. ­

maintenance-free

24V GiV 180 DTP

maintenance-free

24V GiV 160 DT

maintenance-free

021 9216 000

maintenance-free

Manufacturer

HAGEN SONNENSCHEIN

Designation

24V GiV 160 (5)

Capacity

175 Ah 175 Ah

Voltage

4x6V 4x6V

Kärcher order no.

6.654-070 -

low-maintenance

021 9216 000

low-maintenance

Sticker for low-maintenance (left) and maintenance-free (right)

41

Troubleshooting

BR/BD Trike

Malfunction battery, battery charger

Check charging current (PACK version only) ­ Adjust multimeter (1) to current measurement and apply to the "+" battery cable (2). ­ Switch battery charger on. ­ Measure charging current and check LEDs of battery capacity control. ­ Yellow LED (battery is empty and being charged), loading current > 20 A. ­ Green LED (battery is fully charged), loading current approx. 1 A. ­ Red LED (fault), batteries or battery charger defect. ­ No display: no mains voltage, battery not connected or battery charger defect.

1

2

Check power consumption

1 Multimeter 2 Battery cable "+"

42

BR/BD Trike

Troubleshooting

Malfunction battery, battery charger

ORIGINAL Check battery charger (PACK version only) ­ Check mains voltage. ­ Check polarity of battery charger connection cable. ­ Check polarity of battery connection cable. ­ Dismantle battery charger (1) and remove base plate. ORIGINAL battery charger: ­ Check and replace fuse on primary side. ­ Check and replace fuse on secondary side. REVISED battery charger: ­ Check fuse on primary side (fuse can not be replaced) ­ Fuse on secondary side does not exist. Note: If there is no charging current after changing the fuses, replace the battery charger.

REVISED

Battery charger with connection cables

ORIGINAL 6 7 2 4 5 3

8

Original battery charger opened

REVISED

1 2 3 4 5 6 7 8 9

Battery charger opened

Battery charger removed Mains cable with plug Connection cable "-" Connection cable "+" Connector (X6) printed circuit board (A1) Base plate Fuse primary side ORIGINAL and REVISED Fuse secondary side only ORIGINAL System plug REVISED

43

Troubleshooting

BR/BD Trike

Malfunction deep-discharge protection

1

22

,0

9 8 7

24 V

2

+ V E R G O A T LT LA O U V G E R

Fu

se +

10

-

11

1 Multimeter 2 LED battery control 3 Connection cable printed circuit board "+" 4 Connection cable printed circuit board "-" 5 Connection cable battery control "-"

36

Ba

V

t

12 3 4

+ V E R G O A T LT LA O U V G E R

24 V

Fus

36 V

e + Bat

-

6 5

6 Connection cable battery control "+" 7 Fuse (1A quick-acting) 8 Voltage control unit 9 Adjusting knob, voltage control 10 Connection cable multimeter "+" 11 Connection cable multimeter "-" 12 Switch input voltage (24 V/36 V)

44

BR/BD Trike

Troubleshooting

Malfunction deep-discharge protection

Deep-discharge protection As soon as the red LED battery control stays on constantly, the brush drive and suction motor (M2) switch off after a set delay. The deep-discharge protection function can be checked with the special voltage control unit (8) (see chapter on special tools). ­ Switch unit off. ­ Connect voltage control unit (8) (see illustration). ­ Set adjusting knob (9) to "max." setting. ­ Set voltage control switch (12) to 24 V. ­ Switch unit on with key switch (S1). ­ Turn knob (9) slowly counter-clockwise to reduce the voltage at the battery control. ­ If the red LED battery control (2) stays on constantly, the voltage set at the potentiometer can be read off the multimeter (1). ­ The values read off on the multimeter (1) are to be compared with the settings of the setup menu of the instrument panel module and with the Technical Specifications. ­ If the differences are too large or the red LED battery control (2) no longer lights up constantly (deep-discharge protection not working), there is a fault on the printed circuit board (A1). Check or replace the printed circuit board (A1).

45

Troubleshooting

BR/BD Trike

Access to the setup menu for the instrument panel printed circuit board

With the setup menu, the user can change the factory settings to adapt them to local conditions. Access to setup menu (units with display) 1. Turn key switch (S1) to "0" (switch the unit off). 2. Press and hold the "i" (info) and the "forwards" buttons at the same time, and turn the key switch (S1) to "1" (switch the unit on). 3. Display shows "setup menu". 4. Release the buttons. Setup menu (units with display) as of microprocessor 3.15 (3.17) ­ Button "i" (info) switches through the menu points. ­ Button "forwards" switches between "on" and "off" or changes the parameters.

46

BR/BD Trike

Troubleshooting

Go to the setup menu for the instrument panel printed circuit board

Menu REV Clean Factory setting on off Display language Debug mode Low Batt (from Microprocessor 3.15) Clean Speed (from Microprocessor 3.17) Brush delay 4 sec. 60% German off 22.0 German / English on / off 21.4 21.6 21.8 22.2 22.4 22.6 40% 50% 70% 80% 90% 100% 2, 3, 5 Possible settings on / off Function Suction motor on in both directions when suction beam lowered. Suction motor off when reversing with suction beam lowered. Changing the display language. Debug mode is not saved, is always off after switching out of the setup menu. Switch-off voltage for suction motor and brush drive motors. Can be changed for different battery types.

Drive speed reduction for suction and scrubbing.

REVISED electronics only: Clean speed is no longer stored in Set-Up-menu. Speed setting now with info-button.

Automatic brush stop delay is triggered as soon as the drive pedel is not depressed. The 20 second setting can only be stored briefly until the unit is switched off again then 4 seconds is stored automatically again. This setting is only intended for measuring the current in the brush motors and checking the scrubbing pattern. Horn sounds if unit is reversing. REVISED electronics only Brush overload protection. REVISED electronics only. Vacating the setup menu and saving the parameters by pressing the "forward drive" button.

20 sec.

(from Microprocessor 3.17) Reverse Alert I-MB-MAX BrushOverload exit on 68 A on / off 40 - 80 A

­

­

47

Troubleshooting

BR/BD Trike

Connecting the test unit and usage ORIGINAL

GND

8

9 10

2

3

4 5

6 ON

7 11

OFF

1 6.803-027

KÄRCHER

12 13

14

1 ON/OFF switch, test unit 2 LED drive sensor, ground connection 3 LED drive sensor, end setting (drive pedal completely depressed) 4 LED drive sensor, driving range (drive pedal lightly depressed) 5 LED drive sensor, basic setting (drive pedal not depressed) 6 LED drive sensor, "+" connection 7 LED test unit, change battery 8 LED seat contact switch (S5) 9 LED microswitch, brush head (S4) 10 LED microswitch, suction motor (S3) 11 Printed circuit board (A1) 12 Connector (X6) 13 Test unit plug connector 14 Test unit (special tool) 48

BR/BD Trike

Troubleshooting

Connecting the test unit and usage ORIGINAL

Connecting the test unit ­ Switch the unit off with the key switch (S1). ­ Remove the front cover from the unit. ­ Disconnect the 16-pin connector (X6) from the printed circuit board (A1) and connectit with the plug (12) of the test unit (14). ­ Switch the test unit (14) on at the ON/OFF switch (1). Check drive sensor/potentiometer B1 ­ Do not press the drive pedal. LED (5) must light up. Adjust drive sensor if necessary. ­ Press the drive pedal a lightly. LED (4) must light up. ­ Depress the drive pedal completely. LED (3) must light up. Note: If LED (2) lights up, check plug connection or drive sensor ground connection for damaged cables. Otherwise adjust or replace the drive sensor. If LED (6) lights up, check the plug connection or drive sensor "+" connection for damaged cables. Otherwise adjust or replace the drive sensor. If LED (7) flashes, change the battery in the test unit. To do so, unscrew the housing cover on the back and replace the battery. Check seat contact switch S5 ­ Put a load on the driver's seat min 10 kg (22 lbs.), the green LED (8) must light up. ­ If the green LED (8) does not light up, check the connection cable and seat contact switch (S5) replace if necessary. Check microswitch, brush head S4 ­ Lower the brush head, the green LED (9) must light up. ­ If the green LED (9) does not light up, check the connection cable and brush head microswitch (S4) replace if necessary. Check microswitch, suction motor S3 ­ Lower the suction beam, the green LED (10) must light up. ­ If the green LED (10) does not light up, check the connection cable and suction motor microswitch (S3) replace if necessary. After the tests ­ Switch the test unit (14) OFF. ­ Disconnect the test unit (14) and the connector (X6). ­ Plug the connector (X6) back into the printed circuit board again. ­ Reinstall the front cover.

49

X7.6

X7.5

X7.3

24V -F1

3A

X7.2

-G1

PWM X6.10 X6.12 X6.4 X6.13 X6.9 X6.1 X6.3 X6.11 X6.14 X6.5 X4A X4B X3A

24V 160Ah

0,5qmm bl

0,5qmm vi

1qmm bl

0,5qmm sw

0,5qmm ge

0,5qmm gr

1qmm bn

6qmm bn

0,5qmm sw

0,5qmm ws

0,5qmm sw

0,5qmm sw

0,5qmm sw

0,5qmm sw

W7 W8 W9 W10

0,5qmm ws

0,5qmm bn

W11

W12

6qmm sw

4qmm bl

L

N

PE

24VDC

Circuit diagram (0.088-170) ORIGINAL BR/BD Trike BAT 1.161-101, -102, -201, -202 BR/BD Trike PACK 1.161-103, -104, -203, -204, -205, -206, -211, -212

+

-

50

5

1,5qmm

30

1

2

3

4

6

7

8

9

10

11

12

13

-F6

15A

-K1

.3

87

Circuit diagram

-V3

1,5qmm

-A2

0,5qmm gn

30 15 21

W1

W2

W3

BATT-CHARGER

DISPLAY

-S6 -S7 -S8 70A

-F2

-F5

7,5A

-S1

0,5qmm 0,5qmm 12pol 14pol 4qmm 4qmm bn W13 W14 bn Flachb. W6 Flachb. 0,5qmm W5 rt W4 0,5qmm gn or 10qmm bn

-S2

22

16qmm

4qmm

6x0,5

rt

rt

qmm

0,75qmm bn

-U1

-S10 -H1

X6.16 X8 X9 X1 X6.7 X5A

bn

ws

DC

-F4

40A

+

X7.4 X7.1

X6.8

ws

-F3

40A

30

K0

bn

-A1

I

-K3

87 X3B X5B

AC

-

230V

X2

X6.6

X6.15

X6.2

3X1,5qmm

-V1

86 85

-V2

W13

W14

30

85

230V/50Hz/16A -B1 +

24VDC

24VDC

-K2

-K1

86

-K2

=

-S3 -S4 -S5

.4

87

-S9 -Y1

W1

W2

M

-M1

-M2

M

bl

-M3

4qmm

M

sw

-M4

10qmm

M

sw

-M5

10qmm

M

0,75qmm bn

16qmm

4qmm

4qmm

sw

30

sw .11

sw

BR/BD Trike

87

30

.10

87

OPTION

BR/BD Trike

Circuit diagram

Circuit diagram (0.088-170) ORIGINAL BR/BD Trike BAT 1.161-101, -102, -201, -202 BR/BD Trike PACK 1.161-103, -104, -203, -204, -205, -206, -211, -212

A1 Printed circuit board A2 Instrument panel printed circuit board B1 Drive sensor F1 Fuse, control circuit F2 Fuse, brush motor F3 Fuse, suction motor F4 Fuse, drive system F6 Fuse, protective diode G1 Battery H1 Horn K1 Main relay K2 Relay, brush motor K3 Relay, suction motor M1 Drive motor M2 Suction motor M3 Brush motor (BR/BD) M4 Brush motor (BD) S1 Key switch S2 EMERGENCY STOP switch S3 Microswitch, suction motor S4 Microswitch, brush head S5 Seat contact switch S6 Button, display S7 Button, drive control (F) S8 Button, drive control (R) S10 Button, horn U1 Battery charger Y1 Magnet brake V1/2/3 Diodes Cable colors rt sw bn bl ws ge gn or gr red black brown blue white yellow green orange grey

51

X7.6

X7.5

X7.3

X7.2

Circuit diagram (0.088-315) ORIGINAL BR/BD Trike BAT 1.161-209, -210

0,5qmm bl

0,5qmm vi

1qmm bl

0,5qmm sw

0,5qmm ge

0,5qmm gr

1qmm bn

0,5qmm bn

6qmm bn

0,5qmm sw

0,5qmm sw

0,5qmm sw

0,5qmm sw

0,5qmm sw

W7 -V2

0,5qmm ws

W8

W9

0,5qmm ws

W10

W11

W12

6qmm sw

W13

4qmm bl

24VDC

-X1

+

-

BR/BD Trike

SB50

+

-

52

5

1,5qmm

30

1

2

3

4

6

7

8

9

10

11

12

13

-F6

15A

-K1

87

Circuit diagram

-V3

1,5qmm

-A2

0,5qmm gn

21 30

W1

BATT-CHARGER

DISPLAY

70A -S6 -S7 -S8

-F2

15

-S1

0,5qmm 0,5qmm rt W4 Flachb. bn W13 bn W14 Flachb. W6 0,5qmm W5 0,5qmm or gn 12pol 4qmm 4qmm 14pol

-S2

22

16qmm

rt

10qmm bn

bn

ws

-S10 -H1

X7.4 X7.1 X8 X9 X1

X6.8

X6.16

X6.7

X5A

-F1

3A

-F4

-F3

40A

30

-G1 24V

PWM

-A1

X6.2 X6.10 X6.12 X6.4 X6.13 X6.1 X6.9 X6.3 X6.11 X6.14 X6.5 X4A X4B X3A

I

40A

-K3

87 X3B X5B

X2

X6.6

X6.15

W14

30

-V1

86

85

24VDC 85

24VDC

-K2

87

86

-K1 +

-K2

-B1

=

-S3 -S4

-S5 -Y1

W1

M

-M1

-M2

M

bl

-M3

4qmm

M

sw

-M4

10qmm

M

10qmm sw

16qmm

4qmm

sw

sw

BR/BD Trike

Circuit diagram

Circuit diagram (0.088-315) ORIGINAL BR/BD Trike BAT 1.161-209, -210

A1 Printed circuit board A2 Instrument panel printed circuit board B1 Drive sensor F1 Fuse, control circuit F2 Fuse, brush motor F3 Fuse, suction motor F4 Fuse, drive system F5 Fuse, water pump (otion) F6 Fuse, protective diode G1 Battery H1 Horn K1 Main relay K2 Relay, brush motor K3 Relay, suction motor M1 Drive motor M2 Suction motor M3 Brush motor (BR/BD) M4 Brush motor (BD) M5 Water pump (option) S1 Key switch S2 EMERGENCY STOP switch S3 Microswitch, suction motor S4 Microswitch, brush head S5 Seat contact switch S6 Button, display S7 Button, drive control (F) S8 Button, drive control (R) S9 Microswitch, water pump (option) S10 Button, horn U1 Battery charger Y1 Magnet brake V1/2/3 Diodes Cable colors rt sw bn bl ws ge gn or gr red black brown blue white yellow green orange grey

53

+

Circuit diagram (0.088-552) REVISED BR/BD Trike BAT 1.161-201, -202

24V 160Ah

-

1qmm bn

1qmm bl

6qmm bn

6qmm s w

0,5qmm s w

0,5qmm ge

4qmm bl

0,5qmm ws

0,5qmm bn

0,5qmm gn

0,5qmm s w

0,5qmm s w

0,5qmm s w

0,5qmm s w

0,5qmm ws

0,5qmm bn

10qmm bn

24V DC

+

54

5 6 7 8 9 10 11 12 13

-K 1

.5

87 30

Circuit diagram

1

2

3

4

W1

-A2

0,5qmm gn

21 30 15

-S 8 -S 6 -S 9 -S 7

16qmm rt

-F 1

-S 2

22

-S 1

150A 0,5qmm rt W4 W5 W6 0,5qmm or gn 40pol F lachb. 10qmm rt

-X1

X 6.16 X 6.7 X8 X 15

bn

ws

X 7.4 X 7.1

X6.8

-F 2

7,5A

-F 3 -F 4 -H 1

40A

3A

-G1

-A1

X 6.6 X6.15 X4A X 6.1 X6.3 X6.11 X6.14 X4B X 18a X 6.5 X 6.9 X 18b X 19 X 17

X16

X6.12

X 6.4

X6.13

-X1

-V 2

1,5qmm bl

-V 3

1,5qmm bn

W7

-V 1

86 24V DC

W8

W9

W 10

W 11

W 12

W 13

W 14

-F 5

85

-B 1 -K 1

=

-S 3 -S 4 -S 5

7,5A

+

W1

W6

-Y 1

M

-M1

-M2

M

-M3

4qmm sw

M

-M4

10qmm sw

M

-M5

10qmm sw

M

BR/BD Trike

16qmm sw

10qmm sw

1,5qmm sw

BR/BD Trike

Circuit diagram

Circuit diagram (0.088-552) REVISED BR/BD Trike BAT 1.161-201, -202

A1 Driving & operating electronic card A2 Control panel-card B1 Magnetic sensor for driving operation F1 Mainfuse F2 Fuse, control F3 Fuse, protective diode F4 Fuse, traction motor F5 Fuse, waterpump (option) G1 Battery 24V/160Ah H1 Horn K1 Mainrelais M1 Drivingmotor M2 Vacuum motor M3 Brush motor M4 Brush motor (BD) M5 Waterpump (option) S1 Key switch S2 Emergency stop S3 Microswitch vacuum motor S4 Microswitch brush head bot S5 Seat switch S6 Push button display S7 Push button driving operation (F) S8 Push button driving operation (R) S9 Push button horn Y1 Magnetbrake V1 Protective diode V2/3Diode (option) Cable colors rt sw bn bl ws ge gn or gr red black brown blue white yellow green orange grey

55

24V 160Ah

Circuit diagram (0.088-553) REVISED BR/BD Trike PACK 1.161-203, -204, -211, -212

1qmm bn

1qmm bl

6qmm bn

6qmm s w

0,5qmm s w

0,5qmm ge

4qmm bl

0,5qmm ws

0,5qmm bn

0,5qmm gn

0,5qmm s w

0,5qmm s w

0,5qmm s w

0,5qmm s w

0,5qmm ws

0,5qmm bn

10qmm bn

PE

L

N

24VDC

-

+

56

5 6 7 8 9 10 11 12 13

-K 1

.6

87 30

Circuit diagram

1

2

3

4

-A2

B AT T -CHAR GE R

0,5qmm gn

21 30

-S 7

W1 W3

W2

DIS P L AY

-S 8 -S 6 -S 9

-S 2

22

-S 1

15

16qmm rt 0,5qmm rt 0,5qmm gn or 40pol F lachb. W5 W6 10qmm rt W4

bn ws

4qmm rt

6x0,5 qmm

bn

ws

-F 1

X 6.16 X8 X 6.7

150A

X 7.6 X 7.5 X 7.3 X 7.2 X 7.4 X 7.1 X6.8

X15

+

30

-F 2

3A 7,5A

-F 3 -F 4 -H 1

40A

-K 0

-A1

-G1

-

87a

85 X6.4 X 6.13 X 6.6 X 6.15 X 6.1 X6.9 X6.3 X6.11 X 6.5 X6.14 X 4A X 4B X 18a X 18b X 19 X 17

K0

86

-U 1

X 16

X6.12

3X 1,5qmm

-V 2

1,5qmm bl

-V 3

1,5qmm bn

W7

-V 1

86 24V DC

W8 W9

W 10

W 11

W 12

W 13

W 14

230V /50H z 16A

-F 5

85

-B 1 +

=

-K 1 -S 3 -S 4

-S 5

7,5A

W1

W2

W6

-Y 1

M

-M1

-M2

M

-M3

4qmm sw

M

-M4

10qmm sw

M

-M5

10qmm sw

M

BR/BD Trike

16qmm sw

4qmm sw

10qmm sw

1,5qmm sw

BR/BD Trike

Circuit diagram

Circuit diagram (0.088-553) REVISED BR/BD Trike PACK 1.161-203, -204, -211, -212

A1 Driving & operating electronic card A2 Control panel-card B1 Magnetic sensor for driving operation F1 Mainfuse F2 Fuse, control F3 Fuse, protective diode F4 Fuse, traction motor F5 Fuse, waterpump (option) G1 Battery 24V/160Ah H1 Horn K1 Mainrelais M1 Drivingmotor M2 Vacuum motor M3 Brush motor M4 Brush motor (BD) M5 Waterpump (option) S1 Key switch S2 Emergency stop S3 Microswitch vacuum motor S4 Microswitch brush head bot S5 Seat switch S6 Push button display S7 Push button driving operation (F) S8 Push button driving operation (R) S9 Push button horn U1 Battery-charger Y1 Magnetbrake V1 Protective diode V2/3Diode (option) Cable colors rt sw bn bl ws ge gn or gr red black brown blue white yellow green orange grey

57

Maintenance

BR/BD Trike

Maintenance work

Daily maintenance ­ Raise suction beam (2). The suction motor (M2) continuous to run for approx. 10 seconds to draw in the remaining water from the suction hose. ­ Check brushes for wear, replace if necessary. Lift brush head and lock it in position. To do so, press the brush head pedal (1) down and lock by tipping it to the rear at the same time. The brush motor switches off automatically. ­ Drain dirty water: Remove the drain hose (4) from the holder and drain the dirty water from the tank. ­ Rinse the dirty water tank with clean water. ­ Clean the unit with a damp soapy cloth. ­ Check the fluff strainer at the suction opening of the suction motor (M2), clean if necessary. ­ Check the rubber strips (3) of the suction beam for any signs of wear, replace as necessary. ­ Set the key switch (S1) on the control panel to "0". ­ Recharge the battery. ­ After recharging check the battery water level (low-maintenance). Monthly maintenance ­ Check battery poles for oxidation, if necessary clean and lubricate with pole grease. Check that the connection leads are fitted properly. ­ Check that the parking brake functions properly. ­ Check the condition of the tank lid seal, replace as necessary. ­ Check the acid density of the low-maintenance batteries.. ­ Clean the brush tunnel. Maintenance work every 100 operating hours ­ Check battery poles for oxidation. ­ Check that the battery connections are firmly attached. ­ Check battery cables for damage and oxidation. ­ Check cable connections to the electronic control circuits. ­ Check acid level of the batteries (only in lowmaintenance batteries). ­ Measure the voltage of the battery blocks with the suction motor running (DU < 0.05 volt). ­ Check that the EMERGENCY STOP switch functions. ­ Check drive mode: forwards, reverse. ­ Check that the parking brake works on the drive motor. ­ Check the functions of the brush head: lower, raise. ­ Check the brushes for function and wear. ­ Check the scrubbing pattern. ­ Check the setting of the brush contact pressure. ­ Check the toothed belt of the brushes for tension and wear. ­ Check the rubber strips on the suction beam for wear and correct setting. ­ Check the suction hose for leaks. ­ Check the water hoses for leaks. ­ Check that the tank lid seal(s) have no leakage. ­ Check the functions of the water metering valve. ­ Clean the fluff strainer. ­ Check the function of the suction motor/suction beam (check the after-running time). ­ Check and clean the water filter (option). ­ Check the change-over valve fresh water/recycling water (option).

58

BR/BD Trike

Maintenance

59

Technical specifications

BR/BD Trike

Technical specifications BD TRIKE BAT 1.161-102 / 1.161-202 BD TRIKE PACK 1.161-104 / 1.161-204

Battery voltage ............................................................................................. 24 Battery capacity ......................................................................................... 160 Power consumption, drive motor at full throttle on the flat ...................... 9 ­ 13 Power consumption, disc brushes on concrete slab (wet) .................. 48 ­ 56 Power consumption, disc brushes without load ................................... 20 ­ 26 Power consumption suction motor, suction beam raised, tank lid closed....................................................................................... 18 ­ 22 Overload protection, brushmotor (switch OFF time delay 5 sec.) ....... 50 ­ 80 Overload protection, brushmotor (immediate switch OFF) ........................ 100 Deepdischarge protection (red LED on), setting instrument panel (maintenance-free batteries) .............................. 22.0 Deepdischarge protection (red LED on), setting instrument panel (low-maintenance batteries) ............................... 21.4 Speed, brush roller, free rotation ...................................................... 180 ­ 220 Suction motor, vacuum with closed suction opening ............................... >105 Water flow rate ............................................................................................. >4 Climbing ability, max. ................................................................................... 10 Driving speed, forwards, max. ....................................................................... 6 Driving speed, reverse, max. ......................................................................... 4 Weight with batteries .................................................................................. 300 V Ah A A A A A A V V rpm mbar / >1.5 psi l/min / >1.2 USgal % km/h km/h kg

60

BR/BD Trike

Technical specifications

Technical specifications BR TRIKE BAT 1.161-101 / 1.161-201 BR TRIKE PACK 1.161-103 / 1.161-203

Battery voltage ............................................................................................. 24 Battery capacity ......................................................................................... 160 Power consumption, drive motor at full throttle on the flat ...................... 9 ­ 13 Power consumption, disc brushes on concrete slab (wet), suction beam raised ............................................................................. 47 ­ 53 Power consumption, disc brushes without load ..................................... 9 ­ 13 Power consumption suction motor, suction beam raised, tank lid closed ....................................................................................... 18 ­ 22 Overload protection, brushmotor (switch OFF time delay 5 sec.) ....... 50 ­ 80 Overload protection, brushmotor (immediate switch OFF) ........................ 100 Deepdischarge protection (red LED on), setting instrument panel (maintenance-free batteries) .............................. 22.0 Deepdischarge protection (red LED on), setting instrument panel (low-maintenance batteries) ............................... 21.4 Speed, brush roller, free rotation .................................................. 1300 ­ 1500 Suction motor, vacuum with closed suction opening ............................... >105 Water flow rate ............................................................................................. >3 Climbing ability, max. ................................................................................... 10 Driving speed, forwards, max. ....................................................................... 6 Driving speed, reverse, max. ......................................................................... 4 Weight with batteries .................................................................................. 300 V Ah A A A A A A V V rpm mbar / >1.5 psi l/min / >0.9 USgal % km/h km/h kg

61

Special tools

BR/BD Trike

Special tools

Test unit ORIGINAL For checking and adjusting the drive sensor, brush head microswitch, suction motor microswitch and seat contract switch. Part No.: 6.803-027

N

D

G

Test unit

ORIGINAL Voltage control unit For checking the electronic control circuits or battery deep-discharge protection function. Contains voltage control unit and 4 leads. Part No.: 6.803-025 Fuse (1 A quick-acting) for voltage control. Part No.: 6.644-126

36 V

ou

t

V

L

O

V

S

P

A

N G U U 6.8 NG LA 03 SR -0 EG 25 L E R

T

A

G

E

N

R

E

T

O

R

m

in

m

ax

24

V

Fu

se

1A

flin

k

Voltage control unit

62

K 6.80 R TR A 3-0 IKE R 27.0 C H E R

+ Ba t

O

F F

B

O

N

BR/BD Trike

Special tools

Special tools

Instrument panel printed circuit board with display Only required in units which have no display (e.g. Trike BAT version). For adjusting the setup menu (deep-discharge protection, driving speed in working mode, automatic brush stop) and display of the technical information. Part No.: 4.841-101

Instrument panel module with display

Multimeter Also suitable for DC measurement. Part. No.: 6.803-022

P H ea old k 10 60 40 kH z 0V 0V 00 A 40 0A

F

0

F

40

O

V

O

L

T

C

R

A

F

T

LA

M

P

M C 11 3

D C /A C

E

T

E

Multimeter

C

O

M

V

H

z

R

63

Maintenance

BR/BD Trike

Replacement times BR Trike Package 1.161-203

The mentioned replacement time does not include trouble shooting or setup time.

Component

Rear cover Drain hose Battery kit Control cable suction beam Brake drive motor Brush head (complete) Brush roller Sealing ring, suction motor Sealing profile (cover) Pressure button Drive motor Drive regulator Front unit cover Counter holder brush head Seat housing (complete) Rubber sealing strip, Brush head Rubber lip seal kit Carbon brush kit Ball valve water supply (pedal) Ball valve water drain Ball valve water volumn regulation Ball bearing brush drive assembly Battery charger Power relay Steering handle Microswitch brush head Microswitch suction beam Sponse rubber cord (cover lid) Sponse rubber cord (control) Motor brush drive assembly EMERGENCY-STOP push-button Pedal drive Pedal water regulation Wheel Wheel D.50 suction beam (lowered) Tires drive motor Roller suction beam (raised) Suction hose Suction motor complete Key switch Screw spring (suction beam raised) Seat switch (microswitch) Printed circuit board Tank Toothed belt Idel tooth pully, big Idel tooth pully, small Pull spring, pedal drive Pull spring, pedal water regulation

Replacement time (min)

5 5 10 10 20 40 5 20 5 5 25 35 5 5 10 5 5 10 45 10 35 35 15 15 5 40 5 5 5 35 5 5 5 10 5 50 5 5 20 5 5 5 10 120 10 15 15 5 5

64

BR/BD Trike

Maintenance

Replacement times BR Trike Package 1.161-204

The mentioned replacement time does not include trouble shooting or setup time.

Component

Rear cover Drain hose Battery kit Control cable suction beam Brake drive motor Sealing ring, suction motor Sealing profile (cover) Pressure button Drive motor Drive regulator Front unit cover Seat housing (complete) Rubber lip seal kit Carbon brush kit Ball valve water drain Ball valve water supply (pedal) Ball valve water volumn regulation Ball bearing disk Battery charger Power relay Steering handle Microswitch disk head Microswitch suction beam Sponse rubber cord (cover lid) Sponse rubber cord (control) Motor disk drive assembly EMERGENCY-STOP push-button Pedal drive Pedal water regulation Wheel Wheel D.50 suction beam (lowered) Tires drive motor Roller disk head (raised) Roller suction beam (raised) Suction hose Suction motor complete Disk brush Key switch Worm gear Screw spring (suction beam raised) Seat switch (microswitch) Splash guard profile Disc Printed circuit board Tank Pull spring, pedal drive Pull spring, pedal water regulation

Replacement time (min)

5 5 10 10 20 20 5 5 25 35 5 10 5 10 10 45 35 35 15 15 5 40 5 5 5 35 5 5 5 10 5 50 5 5 5 20 5 5 30 5 5 10 10 120 5 5

65

Key words

BR/BD Trike

List of key words

A

A1 drive control module 15 Adjust suction beam 37 Adjust, replace potentiometer 24, 26, 27

F

Float 9, 18, 20, 21 Fluff filter 9, 18, 20, 21, 33 Fluff filter clogged 33 Foot pedal 11, 17 Foot room tray 26 Forwards button 24, 25, 26 Fresh water tank inlet 9 Fresh/dirty water tank 7, 20, 21 Front panel 7 Front wheel steering 4 Front wheel with wheel-hub motor 7 Fuse 41

B

Base plate 41 Battery 5, 9, 13, 26, 38, 39 Battery capacity control 13 Battery charger 5, 24, 40, 41 Battery control 43 Battery panel 8 Belt pulley 28 Bowden cable 27 Brush contact pressure 17, 36 Brush head 7, 17, 18, 30, 31 Brush motor 17, 29, 36 Brush motor microswitch 17, 29 Brush motor relay 29, 31 Brush roller 17, 20, 21, 28, 36

G

Go to setup menu 44

H

Hand screw 11, 17, 36 Handwheel 11, 20 Horn 13, 15

C

Centring mandrel 36 Certified batteries 39 Change-over valve 7, 11, 21, 32 Charging time 39 Charging current 40 Circuit diagrams 48, 49, 50, 51 Cleaning mode 5 Compensation weight 31 Cover plate 36

I

Individual batteries 38 Instrument panel module 11, 13, 57

K

Key switch 13, 23, 24, 25, 30, 39 Knob 43

L

LED 13 Low-maintenance batteries 39

D

Deep-discharge protection 43 Deflection roller 27 Deflection rollers 8 Diodes 26 Dirty water 18, 21 Dirty water tank 6 Disc brushes 17, 20, 21 Display 13, 24 Drain hose 7, 8, 17, 18, 20, 34 Drive control module 15, 25, 31, 43 Drive motor 19, 25 Drive pedal 27 Drive sensor 26, 46 Drive shaft, motor 28 Driving and steering 4

M

Main relay 15, 23 Mains cable with plug 41 Mains plug 11 Mains voltage 13, 43 Maintenance work 52, 53 Maintenance-free batteries 39 Metering valve 20, 21, 34, 35 Microprocessor 15, 31 Monthly maintenance 52 Multimeter 31, 38, 40, 43, 57

O

Overload protection brush motor 6

E

Electric 4 EMERGENCY STOP switch 13, 23

P

Polarity 41 Potentiometer 26, 27 Power consumption 54 Power consumption of the brush motors 31

66

BR/BD Trike

Key words

List of key words

R

Rear wheel 7, 8 Recycling mode 9, 11, 21 Reverse button 24, 25, 26 Rubber strips 8, 18

S

Scrubbing pattern 30, 31 Seat 7 Seat contact switch 23, 46, 47 Setup menu 44 Shaft 27 Special tools 46, 57 Speed 54 Splashguard 18 Spring 27 Steering bar 7 Suction beam 6, 7, 8, 17, 18, 20, 21, 33, 37 Suction channel 36 Suction hose 8, 17, 18, 20, 21 Suction motor 9, 17, 18, 20, 21, 35 Suction motor microswitch 17, 34, 47 Suction motor relay does not trigger 33 Suction operation 4 Support wheel 8

T

Tank fuse 19 Tank lid 8, 9, 18, 20, 21 Tank lid seal 9, 33 Technical specifications 54, 55 Tension roller 28 Test unit 26, 46, 56 Threaded sleeve 27 Traction belts 28, 35

U

Unit function brush drive and suction system 18

V

Voltage control 43, 56

W

Water filter 21 Water metering valve 11 Water pump not working 32 Water pump 21, 32 Water system 4, 37 Wear plate 9

67

Information

br_bd_trike_e.p65

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