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TM 5-2420-222-20-2
BACKHOE VALVE BOX - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
1. Backhoe valve
Four screws (3),
a.
Using 9/16-inch, 3/8-inch drive socket
box (1) and main
lockwashers (4),
and ratchet handle, and 9/16-inch
frame (2)
and nuts (5)
open-end wrench, unscrew and take
apart.
b.
Get rid of lockwashers (4).
2. Main frame (2)
Backhoe valve
Take off.
box (1)
CLEANING
NOTE
For more information on how to clean parts, go to General Maintenance Instructions (page 2-137).
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 1380F (380 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.
3.
Backhoe valve
a.
Using clean rags dampened with dry-
box (1)
cleaning solvent, wipe clean.
b.
Using clean, dry rags, wipe dry.
4.
All attaching
a.
Clean in drycleaning solvent.
hardware
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 which cannot be repaired.
5.
Backhoe valve
Look for cracks, breaks, and abnormal
box(1)
bends.
2-1164
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