TM 9-2320-366-34-3
16-19. M1084/M1086 HOIST HYDRAULIC MOTOR REPLACEMENT
This task covers:
a. Removal
b. Installation
c. Follow-On Maintenance
INITIAL SETUP
Equipment Conditions
Boom positioned over cargo bed (TM 9-2320-366-10-
1).
Batteries disconnected (TM 9-2320-366-20-3).
Hydraulic motor valve assembly removed (para 16-
17).
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Wrench, Torque, 0-175 lb-ft (Item 92, Appendix B)
Pan, Drain (Item 43, Appendix B)
Materials/Parts
Cap and Plug Set (Item 17, Appendix C)
Sealing Compound (Item 76, Appendix C)
Parts Kit, Seal Replacement (Item 319,
Appendix F)
Packing, Preformed (Item 262, Appendix F)
Packing, Preformed (Item 237, Appendix F)
Personnel Required
(2)
a. Removal.
CAUTION
Cap or plug hydraulic openings to prevent
contamination of hydraulic system. Failure to
comply may result in damage to equipment.
(1) Place drain pan under hoist hydraulic motor (1).
(2) Disconnect hose (2) from 90-degree fitting (3).
(3) Remove two screws (4), washers (5), hoist hydraulic
motor (1), and gasket (6) from hoist assembly (7).
Discard gasket.
NOTE
Observe orientation of boss coupling prior to
removal.
(4) Remove boss coupling (8) from hoist assembly (7).
16-92
