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TM 5-2420-222-20-3
MANIFOLD-TO-HYDRAULIC IMPACTOR VALVE OIL LINE (SERIAL NUMBERS 235786 THRU 235999 ONLY) -
CONTINUED
This task covers:
a.
Removal (page 2-1450)
c. Inspection/Replacement (page 2-1452)
b.
Cleaning (page 2-1452)
d. Installation (page 2-1453)
INITIAL SETUP:
Tools
Materials/Parts - Continued
Knife, pocket
Rags, wiping (item 21, Appendix C)
Pan, drain
Solvent, drycleaning (item 28, Appendix C)
Wrench, open-end, 1 1/16-inch
Tags, marking (item 30, Appendix C)
Wrench, open-end, 1 1/4-inch
(two required)
Personnel Required
Materials/Parts
One
Detergent, GP (item 7, Appendix C)
Equipment Condition
Packing, union adapter
Hydraulic system pressure released
(page 2-1191)
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
WARNING
Do not attempt to disconnect hydraulic lines and fittings while engine is running or
before hydraulic system pressure has been released. When engine is running,
hydraulic system is under pressure. Hydraulic system pressure should be 0 psi (O
kPa) before lines are disconnected. A line or fitting disconnected under pressure
will blow off with a lot of force and could cause serious injury to personnel.
Be careful when draining hot fluids. Wear gloves to protect your hands from hot
parts and fluids or severe burns could result.
1.
Union adapter (1)
Hose (2)
a.
Place drain pan underneath.
b.
Using 1 1/16-inch and 1 1/4-inch open-
end wrenches, unscrew and take out.
c.
Tag (page 2-137).
2.
Valve (3)
Union adapter (1)
a.
Using 1 1/4-inch open-end wrench,
with assembled
unscrew and take out.
packing (4)
b.
Plug valve (3) (page 2-137).
2-1450
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