Oil, Hydraulic (Item 34, Appendix B)
This task covers:
c. Follow-On Maintenance
Engine OFF, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Hoist motor valve removed, (Para 16-13)
Tools and Special Tools
Tool Kit, General Mechanics
(Item 240, Appendix F)
Cap and Plug Set (Item 26, Appendix F)
Pan, Drain 4 gal (Item 144, Appendix F)
Wrench, Crowsfoot, 3/4., 3/8 in. Drive
(Item 268, Appendix F)
Wrench, Torque (0 to 175 lb-ft [0-237 N.m])
(Item 277, Appendix F)
16-12. HYDRAULIC HOIST MOTOR REPLACEMENT.
Materials/Parts - Continued
Sealing Compound (Item 56, Appendix B)
Tags, Identification (Item 72, Appendix B)
Gasket (Item 106, Appendix E)
Lockwasher (2) (Item 286, Appendix E)
Packing, Preformed (Item 383, Appendix E)
Ring, Retaining (Item 496, Appendix E)
The crane hydraulic system operates at oil pressures up to 3,100 psi (21,375 kPa). Never
disconnect any hydraulic line or fitting without first dropping the pressure to zero. Failure
to comply may result in serious injury or death to personnel.
Tag and mark hoses prior to removal.
Cap and plug hydraulic hoses and tubes after removal.
Position drain pan under hose (1).
Disconnect hose (1) and remove preformed packing (2) from elbow (3). Discard preformed packing.
Remove two screws (4), lockwashers (5), motor (6) and gasket (7) from hoist drum (8). Discard
lockwashers and gasket.