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Maintenance

MASTER DRIVE UNIT

MSW020/025-E [A895];

MSW025/030-F [B895];

MPB040-E [B827];

MPW045-E [B802];

MPW050-E [C802]

PART NO. 524154891

630 YRM 1003

Summary of Contents for A895

Page 1: ...Maintenance MASTER DRIVE UNIT MSW020 025 E A895 MSW025 030 F B895 MPB040 E B827 MPW045 E B802 MPW050 E C802 PART NO 524154891 630 YRM 1003...

Page 2: ...cifications of the original equipment manufacturer Make sure all nuts bolts snap rings and other fastening devices are removed before using force to remove parts Always fasten a DO NOT OPERATE tag to...

Page 3: ...1 Special Precautions 1 Master Drive Unit Repair 3 Remove 3 Disassemble 5 Repair 6 Assemble 6 Install 6 Troubleshooting 7 This section is for the following models MSW020 025 E A895 MSW025 030 F B895 M...

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Page 5: ...reduction drive unit The three sets of gears do not need adjustment for wear All the parts that rotate have ball bearings or tapered roller bearings The ball bearings are lubed by gear oil and the tap...

Page 6: ...connect a 200 ohm 2 watt resistor between B and B on con troller using insulated jumper wires and hold for 5 seconds Remove the 200 ohm 2 watt resistor be fore reconnecting the battery See Figure 1 o...

Page 7: ...ct bat tery 3 Remove the upper drive unit compartment cover 4 Use the following procedure that applies to your lift truck a Remove the lower drive unit compartment cover b Remove the two screws securi...

Page 8: ...Master Drive Unit Repair 630 YRM 1003 Figure 3 Drive Unit and Brake Assembly 4...

Page 9: ...ved with the MDU installed on the truck The gear oil may also be changed with the MDU installed Where partial disassembly of the MDU while installed is possible as sembly cleaning and inspection of th...

Page 10: ...earings and or casting 1 Install drive axle and bearings a Clean and inspect the tapered roller bearings for wear or damage Replace as needed b Grease the tapered roller bearings using a standard bear...

Page 11: ...ece shield on the MDU using the four Allen head screws to secure 15 Use the following procedure that applies to your lift truck a Install the lower drive unit compartment cover b Install the lower dri...

Page 12: ...ing 630 YRM 1003 PROBLEM POSSIBLE CAUSE PROCEDURE OR ACTION Oil leaks Loose case cover Tighten case cover Loose fill plug Tighten fill plug Worn or damaged axle oil seal Replace bearing cone and seal...

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Page 14: ...Yale Materials Handling Corp 1400 Sullivan Dr Greenville NC 27834 2011 630 YRM 1003 3 08 8 05 5 03 1 02 Printed in U S A...

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