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TM 5-2420-222-20-3
BOOM-TO-BACKHOE CONTROL VALVE HYDRAULIC IMPACTOR RETURN OIL LINE (SERIAL NUMBERS 319995
THRU 342573 ONLY) - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
CLEANING
NOTE
For more information on how to clean parts, go to General Maintenance Instructions (page 2-137).
22.
Hose (1)
a.
Using clean rags dampened in solution
of detergent and water, wipe clean.
b.
Rinse with clean water.
c.
Using clean, dry rags, wipe dry.
WARNING
Drycleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and use
only in a well ventilated area. Avoid contact with skin, eyes, and clothes and don’t breathe vapors.
Do not use near open flame or excessive heat. The flashpoint is 100°F to 138°F (38° to 59°C). If
you become dizzy while using cleaning solvent, get fresh air immediately and get medical aid. If
contact with eyes is made, wash your eyes with water and get medical aid immediately.
23.
All metal parts
a.
Clean in drycleaning solvent.
b.
Using clean, dry rags, wipe dry.
INSPECTION/REPLACEMENT
NOTE
For more information on how to inspect parts, go to General Maintenance Instructions (page 2-
137).
Replace defective parts as needed.
24.
Hose (1)
Look for cracks, breaks, cuts, and tears.
25.
All metal parts
Look for cracks and breaks and abnormal
bends.
26.
All threaded parts
Look for damaged threads.
2-1494
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