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TM 5-2420-222-20-3
PRESSURE CONTROL VALVE - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
DISASSEMBLY - CONTINUED
19.
Pressure
Plug (2) with
Using 1-inch open-end wrench, unscrew
housing (1)
assembled parts
and take out.
20.
Plug (2)
Packing (3)
a.
Using pocket knife, take off.
b.
Get rid of.
21.
Washers (4)
a.
On loader backhoes with Serial Numbers
319995 thru 342573 only, take off.
b.
Note number of washers used for proper
spacing of plug (2) during assembly.
22.
Pressure
Plug (5) with
a.
Using 7/8-inch open-end wrench,
housing (1)
assembled
unscrew and take out.
packing (6)
b.
Take housing (1) out of machinist’s
vise.
23.
Plug (5)
Packing (6)
a.
Using pocket knife, take off.
b.
Get rid of.
CAUTION
Do not remove orifice from pressure control valve unless inspection shows need for replacement.
Removal will damage parts.
24.
Valve (7)
Orifice (8)
Using 0.250-inch remover and installer
and arbor press, press out.
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 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.
2-1204
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