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TM 5-2420-222-20-3
HYDRAULIC OIL FILTER RELIEF VALVE
This task covers:
a.
Removal (page 2-1218)
e.
Repair (page 2-1224)
b.
Disassembly(page 2-1220)
f.
Assembly (page 2-1224)
c.
Cleaning (page 2-1222)
g.
Installation (page 2-1226)
d.
Inspection/Replacement (page 2-1222)
INITIAL SETUP:
Tools
Materials/Parts
Caps, vise jaw (pair)
Lockwasher, valve screw (two required)
Compressor, reciprocating air
Packing, adapter union-to-valve
Gun, air blow
Packing, connector-to-valve
Handle, ratchet, 3/8-inch drive
Packing, elbow-to-valve
Hose, air compressor
Packing, housing
Knife, pocket
Packing, plug-to-valve
Pan, drain
Packing, plug-to-valve
Pliers, long roundnose
Ring, spacer, connector-to-valve
Retrieving tool, magnetic
Solvent, drycleaning (item 28, Appendix C)
Screwdriver, flat-tip, 1/4-inch
Tags, marking (item 30, Appendix C)
Screwdriver, flat-tip, 3/8-inch
Socket, 3/8-inch drive, 9/16-inch
Personnel Required
Tester, spring, 4 to 400-pound
capacity
Two
Thread set, pipe
Vise, machinist’s
Equipment Condition
Wrench, open-end, 1-inch
Wrench, open-end, 1 1/8-inch
1. Hydraulic pressure released
Wrench, open-end, 1 1/4-inch
(page 2-1191)
(two required)
2. Hydraulic oil filter removed
Wrench, open-end, 1 7/8-inch
(page 2-1698)
(two required)
3. Transmission drained (page 2-811)
Wrench, torque, 1/2-inch drive,
0 to 150 foot-pound capacity
2-1217
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