TM 5-5420-234-14&P
This task covers:
a.
Removal
b. Installation
c.
Follow-on Maintenance
INITIAL SETUP
Tools and Special Tools:
Materials/Parts:
Pan, Drain, 4-Gallon (MIL-P-45189)
Lubricating Oil (Item 20, Appendix E)
Socket Set, 1/2-In. Deep (GGG-W-641)
Seal Kit (Item 48, Appendix K)
Tool Kit, General Mechanic's: Automotive
(SC 5180-90-N26)
Equipment Condition:
Wrench, Open-end, 26 mm (B107.9)
Wheels chocked (TM 9-2320-279-10)
Wrench Set, Socket (51200017510)
Engine turned off (TM 9-2320-279-10)
Wrench, Torque 15-75 ft-lb (GGG-W-00686)
a. Removal.
NOTE
Place drain pan under relief valves to catch excess oil.
There are two relief valves. Both valves are removed the same way.
(1) Open hydraulic cabinet cover (1).
(2) Remove winch relief valve (2) from main manifold block (3).
(3) Remove and discard two backup rings (4), o-ring (5) and o-ring (6) from winch relief valve (2).
b. Installation.
NOTE
Coat O-rings and backup rings with lubricating oil prior to installation.
(1) Install new o-ring (6), o-ring (5) and two backup rings (4) on winch relief valve (2).
