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ENGINE PARTS - MODEL 1079r 4-CYCLE GAS TRIMMER

(Serial Number 901200206 and greater)

Part Numbers On Following Page

97 101 98

1 2 3 37 38 36 7 8 71 32 31 8 9 33 14 34 35 39 100 40 41 42 43 45 50 11 12 13 51a 9 10 51b 5 6 52 4

16 15 53 104 103 17 19

18 47 44 26 28 46 48 27 49

58 59

99 53 57 56 55

20a 20b 21 22 23b 21 23a 78 54 24 25 76 70 67 74 72 69 73 Version B has a raised oil can on crankcase 81 79 80 29

30 92 82 83 84 87 90 91

60 102

77 63 61 62 75a

89 86

88

75b 96

85 93

64

65 66

68a 68b

94 95

Revised 11/99

ENGINE PARTS - MODEL 1079r 4-CYCLE GAS TRIMMER

(Serial Number 901200206 and greater)

Item

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20a 20b 21 22 23 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51a 51b 52 53 54 55 56 57

Part No.

181025 182098 182099 181030 182101 182100 181033 181034 181035 182102 182103 181038 182306 181040 181000 181001 182132 181003 181004 181005 182295 181008 181006 181007 182300 181010 181011 181012 181013 182123 182124 182125 180852 182105 182106 181020 182107 182108 181066 611063 182131 182109 181709 182110 181751 182096 182111 182097 182133 182116 182115 182105 182112 182589 181054 182113 181731 182590 181730 180232

Description

Valve Cover Screw Valve Cover Valve Cover Gasket Rocker Adjustment Nut Rocker Arm Pivot Rocker Arm Push Rod Hex Nut Washer Push Rod Guide Valve Spring Retainer Valve Spring Cylinder Head with Valve Seal (includes 10-14) Valve O-Ring Cylinder Head Gasket Cylinder Screw (M5 x 18.7mm) Cylinder Gasket Piston Ring Set (1 Piece Oil Ring) Piston Ring Set (3 Piece Oil Ring) Wrist Pin Button Wrist Pin Piston (1 Piece Oil Ring) Piston (3 Piece Oil Ring) Cylinder Stud (83.5mm) Cylinder Stud (115.5mm) Cam Bracket Screw Cam Bracket Cam Follower (Chromed) Cam Gear Cam Bracket Assembly (includes 26-29) Spark Plug Muffler Mounting Screw Muffler Screw Muffler Gasket Module Screw Ground Tab Insulator Gasket Insulator Carburetor Gasket Carburetor O-Ring, Carburetor Breather Hose Air Cleaner Assembly Breather assembly Screw Air Filter Air Cleaner Cover Screw Throttle Cable Bracket (version A) Throttle Cable Bracket (version B) Primer and Line Assembly Flywheel Spacer (version B flywheel mounting) Clutch Washer Clutch Clutch Drum

Item

58 59 60 61 62 63 64 65 66 67 68a 68b 69 70 71 72 73 74 75a 75b 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 * * * * *

Part No.

182114 181764 181761 181760 181003 182188 182127 182128 182134 182135 182140 182593 182136 182139 182126 182138 182147 181021 181022 182289 182142 182187 181747 181746 181745 182118 181740 181741 181738 181742 181079 181739 182120 182121 182122 182143 182117 181083 182130 182144 182129 182145 182146 182157 182159 182293 612468 182261 182591 182595 182594 182307 182153 182156

Description

Front Housing Screw Nut Engine Bolt Screw Anti-Rotation Screw Oil Seal Snap Ring Bearing 90° Elbow Crankcase (version A) (includes 73) Crankcase (version B) (includes 73) Crankcase Gasket Crankshaft Lead Wire Bearing Screw O-Ring Oil Cap Dipstick (version A crankcase) (includes 74) Oil Cap Dipstick (version B crankcase) (includes 74) Oil Seal Pulley with Nut Retaining Ring Spring Ratchet Pulley Assembly (includes 77-88) Screw Washer Recoil Pully Rope Pull Handle Recoil Spring Recoil Case Square Nut Rope Guide Screw Recoil Case Assembly (includes 82-91) Fuel Cap Fuel Tank Screw with Washer Fuel Line Assembly Engine Cover Screw Wire Grommet Nut Spark Plug Cover Spring Nut (version A flywheel mounting) Lock Washer (version A flywheel mounting) Crankcase Assembly (includes 24, 25 & 64-76) Short Block Assembly (includes 1-30, & 64-76) Valve Stem Seal Spark Arrestor Screen AC-10 Carburetor Repair Kit

*

Parts not shown

Revised 11/99

BOOM AND TRIMMER PARTS - MODEL 1079r 4-CYCLE GAS TRIMMER

(Serial Number 901200206 and greater)

2a 2b 1 5 6 12 26 4 9 7 10 3 8 16 17 18 22a 37 41 28b 5 11 25b 27b 39 38 40 25b

36

Item

1 2a

Part No.

180866 182158

Description

13 28a 22a

Grip 15 20 Throttle Cable Assembly 22b 14 (version A throttle cable bracket) 25a 21 19 2b 182592 Throttle Cable Assembly (version B throttle cable bracket) 25b 3 180975 Throttle Trigger 4 610314 Throttle Trigger Spring 5 181689 Throttle Trigger Assembly (includes 4) 26 6 180252 Switch Assembly 27 7 181690 Wire Lead Assembly 24 8 181969 Upper Drive Shaft Housing Assembly 9 610327 Shoulder Harness Clamp 23 10 180869 Loop Handle Assembly (includes 11-14) 11 181838 Screw 12 182167 Loop Handle 13 182168 Bottom Clamp 14 181810 Nut 22b 15 181616 Click-Link Coupler (includes 16-19) 16 182057 Screw 17 181617 Bolt 24 28 18 181618 Adjustment Knob 19 181886 Knob Retaining Nut 20 181972 Lower Drive Shaft Housing 29 21 181570 Drive Shaft 22a 147539 Shield Mount Screw Assembly (1 piece Gearbox) 30 22b 182200 Shield Mount Screw Assembly (2 piece Gearbox) 23 182189 Shield and Blade Assembly 24 682061 Blade Assembly 25a 147677 Gearbox Mounting Hardware and 31 Grease Plug (1 piece Gearbox) 25b 182195 Gearbox Mounting Hardware (2 piece Gearbox) 26 145569 Anti-Rotation Screw (2 piece Gearbox) 27a 147488 1 piece Gearbox Assembly (includes 25a, 28a & 29) 32 27b 182193 2 piece Gearbox Assembly (includes 25b, 28b & 29) 33 28a 147489 Blade Driver (1 piece Gearbox) 28b 182196 Blade Driver (2 piece Gearbox) 29 147490 Retaining Washer 34 30 612483 Spool Shaft 31 683301 Outer Spool & Eyelet Assembly 32 612026 Retainer 35 33 610636 Spring 34 147495 Inner Reel 35 180814 Bump Head Knob Assembly Optional Accessories * 612454 Replacement Line, 0.095 Diameter 2 Piece Gearbox Assembly Parts ­ Item 27b * 147345 Reel and Line Assembly 36 182191 Left Housing * 147498 Bump Head Assembly (includes 30-35) 37 182192 Right Housing * 181786 Ryobi 4-Cycle Motor Oil 38 182194 Pinion Gear Assembly * 682075 Shoulder Harness 39 182199 Output Shaft Bushing * 300026 Brush Cutter Accessory Kit 40 182198 Output Shaft Gear 41 182197 Output Shaft Assembly (includes 39 & 40) * Items Not Shown

27a

Revised 11/99

Information

3 pages

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