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TM 5-2420-222-20-3
HYDRAULIC EARTH DRILL BLEED OIL LINE - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
CLEANING - CONTINUED
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 1000F to 1380F (380 to 590C). 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.
17.
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.
18.
Two hoses (1 and 2)
Look for cracks, breaks, cuts, and tears.
19.
All metal parts
Look for cracks and breaks.
20.
All threaded parts
Look for damaged threads.
ASSEMBLY
21.
Hose (1)
Coupling (3)
Screw on and tighten using 9/16-inch
and 3/4-inch open-end wrenches.
22.
Coupling (3)
Plug (4)
Place in position.
23.
Hose (2)
Adapter (5)
Screw on and tighten using 9/16-inch
and 3/4-inch open-end wrenches.
INSTALLATION
24.
Boom (6) and
Hose (1) with
a.
Attach lacing and tying tape.
dipperstick (7)
assembled parts
b.
With aid of assistant, pull into
position.
c.
Take off lacing and tying tape.
2-1554
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