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Hydraulic Motor OMT HD / OMV HD with Reinforced Components

Tech Note

Hydraulic Motor OMT HD / OMV HD with Reinforced Components Tech Note Revision View

Revision View

Date Sep 2008 Feb 2009 May 2010 Page All 5 and 6 8 Changed New Layout Displacements numbers and reference number Japan location Revision BA BB BC

© 2010 Sauer-Danfoss. All rights reserved. Sauer-Danfoss accepts no responsibility for possible errors in catalogs, brochures and other printed material. Sauer -Danfoss reserves the right to alter its products without prior notice. This also applies to products already ordered provided that such alterations can be made without affecting agreed specifications. All trademarks in this material are properties of their respective owners. Sauer-Danfoss, the Sauer-Danfoss logotype, the Sauer-Danfoss S-icon, PLUS+1TM, What really matters is inside® and Know-How in MotionTM are trademarks of the Sauer-Danfoss Group.

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HN.14.Z2.02 · Rev BC · May 2010

Hydraulic Motor OMT HD / OMV HD with Reinforced Components Tech Note Introduction

Introduction Sauer-Danfoss is now introducing a series of motor types, OMT HD / OMV HD with reinforced components. The motors are built up as standard OMT and OMV units, i.e. compact and robust, very suitable for continuous operation at high torque, and reversing applications. Primarily this series of motors has been developed for use in forestry processors, but they can also be used to advantage in other applications where high torques and frequent reversing occur.

Application

HN.14.Z2.02 · Rev BC · May 2010

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Hydraulic Motor OMT HD / OMV HD with Reinforced Components Tech Note Code Numbers and Weight

Code Numbers and Weight Metric Version

Motor type Motor size Cylindrical shaft Splined shaft Tapered shaft Weight (kg) Motor type Motor size Tapered shaft Weight (kg) Motor type Motor size Without output shaft Weight (kg) Motor type Motor size Without output shaft Without output shaft and drain port Weight (kg) Motor type Motor size Tapered shaft Weight (kg) Motor type Motor size Tapered shaft Weight (kg) Motor type Motor size Without output shaft Weight (kg) Motor type Motor size Without output shaft and drain port Weight (kg) 40 mm 1 ½ inch 45 mm OMT 160 151B0300 151B0337 * 20 OMTW 160 * 22 OMTS 160 151B0312 15 OMTU 160 * * 11 OMV 315 * 31.8 OMVW 315 151B3155 32.4 OMVS 315 * 22.7 OMVU 315 * 16.9 OMT 200 151B0301 * * 20.5 OMTW 200 151B0307 22.5 OMTS 200 * 15.5 OMTU 200 * * 11.5 OMV 400 * 32.6 OMVW 400 151B3156 33.2 OMVS 400 151B3161 23.5 OMVU 400 151B3181 17.7 OMT 250 151B0302 151B3096 * 21 OMTW 250 151B0308 23 OMTS 250 151B0314 16 OMTU 250 151B0320 1510335 12 OMV 500 * 33.5 OMVW 500 151B3157 34.1 OMVS 500 151B3162 24.4 OMVU 500 151B3182 18.6 OMT 315 151B0303 151B3097 151B0327 22 OMTW 315 151B0309 24 OMTS 315 151B0315 17 OMTU 315 151B0321 151B0336 13 OMT 400 * 151B0341 151B0328 23 OMTW 400 151B0310 25 OMTS 400 151B0316 18 OMTU 400 151B0322 * 14 OMV 630 151B3178 34.9 OMVW 630 151B3158 35.1 OMVS 630 151B3163 25.6 OMVU 630 151B3168** 20.0 OMT 500 * * * 24 OMTW 500 151B0311 26 OMTS 500 * 19 OMTU 500 151B0323 * 15 OMV 800 151B3179 36.5 OMVW 800 151B3159 37.1 OMVS 800 * 27.7 OMVU 800 151B3169** 21.6

45 mm

60 mm

60 mm

** Without M16 screws (can be ordered seperatly. Code no. 681X1884)

SAE Version

Motor type Motor size Tapered shaft Weight (kg) OMVW 315 * 32.4 OMVW 400 * 33.2 OMVW 500 * 34.1 OMVW 630 151B2197 35.1 OMVW 800 151B2198 37.1

2 ½ inch

* Please contact the Sauer-Danfoss Sales Organisation for Hydrulics regarding code numbers for these motors.

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HN.14.Z2.02 · Rev BC · May 2010

Hydraulic Motor OMT HD / OMV HD with Reinforced Components Tech Note Design

Design The reinforced OMT-HD and OMV-HD motors deviate from the standard range on the following points: 1. Because of the reinforced cardan shaft, the output shaft has a shorter internal spline. The output shaft is used in both OMT/OMV-HD motors with standard cardan shafts and those with reinforced cardan shafts. 2. The screws in the front cover on standard and wheel motors are fitted with an ES-lock to prevent the screws being loosened by vibration. 3. OMT motors with displacements 160, 200 and 250 cm3, OMV motors with displacements 315 and 400 cm3 are supplied with standard cardan shafts. 4. OMT motors with displacements 315, 400 and 500 cm3 and OMV motors with displacements 500, 630 and 800 cm3 have a reinforced cardan shaft better able to with stand the high torques produced by frequent reversing. 5. To reduce load, the locking pin in the balance plate has been moved further away from the centre. 6. The diameter of the spring washer has been reduced. 7. The balance plate is fitted with a back-up ring to protect the O-rings during high pressure peaks. 8. The check valves have been omitted because a drain line is always used in applications where operating conditions are servere. 9. The OMTW bearing housing is now supplied in reinforced material.

A = Standard cardan shaft B = Reinforced cardan shaft

Note: A drain line must always be used because the motors have no built-in check valves.

HN.14.Z2.02 · Rev BC · May 2010

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Hydraulic Motor OMT HD / OMV HD with Reinforced Components Tech Note Technical Data

Spare Parts The reinforced OMT-HD and OMV-HD motors are often customer-specific and therefore it is not possible to give a complete spare parts list for all reinforced motors It is not possible to convert standard motors info reinforced motors Please contact the Sauer-Danfoss Sales Organisation for Hydraulics: 1. If you would like a spare parts list for the motors to be repaired. 2. If you require information on witch parts should be replaced to ensure correct conversion. Technical Data Please see technical data for this motor series in the catalogue for OMS, OMT and OMV motors, 520L0407

This motor variant han no check valves NOTE! A drain line must always be used.

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HN.14.Z2.02 · Rev BC · May 2010

Hydraulic Motor OMT HD / OMV HD with Reinforced Components Tech Note Notes

Notes

HN.14.Z2.02 · Rev BC · May 2010

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Local address:

Sauer-Danfoss (US) Company 2800 East 13th Street Ames, IA 50010, USA Phone: +1 515 239-6000 Fax: +1 515 239 6618 Sauer-Danfoss GmbH & Co. OHG Postfach 2460, D-24531 Neumünster Krokamp 35, D-24539 Neumünster, Germany Phone: +49 4321 871-0 Fax: +49 4321 871 122

Sauer-Danfoss ApS DK-6430 Nordborg, Denmark Phone: +45 7488 4444 Fax: +45 7488 4400 Sauer-Danfoss-Daikin LTD. Shin-Osaka TERASAKI 3rd Bldg. 6F 1-5-28 Nishimiyahara, Yodogawa-ku Osaka 532-0004, Japan Phone: +81 6 6395 6066 Fax: +81 6 6395 8585

HN.14.Z2.02 · Rev BC · May 2010

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