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TM 5-2420-222-20-3
PRESSURE CONTROL VALVE - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REMOVAL - CONTINUED
NOTE
Pressure control valve mounting screws are three different lengths. Note position of screws for
proper placement during installation.
7.
Valve assembly (1)
Three screws (3,
a.
Place drain pan underneath to catch
and transmission
4, and 5) and three
draining fluid.
case (2)
lockwashers (6)
b.
Using 9/16-inch, 3/8-inch drive
socket, 5-inch extension, universal
joint, ratchet handle, and 9/16-inch
open end wrench, unscrew and take
out.
c.
Get rid of lockwashers (6).
8.
Transmission
Valve assembly (1)
a.
Take off.
case (2)
with assembled parts
b.
Allow to drain in drain pan.
9.
Valve assembly (1)
Two packings
a.
Using pocket knife, take off.
(7 and 8)
b.
Get rid of.
10.
Union adapter (9)
Hose (10)
a.
Position over drain pan to catch
draining fluid.
b.
Using 1 1/16-inch and 1 1/4-inch open-
end wrenches, unscrew and take out.
c.
Cap (page 2-137).
d.
Tag (page 2-137).
e.
Get rid of drained fluid (page 2-137).
11.
Elbow (11)
Packing (12)
a.
Using pocket knife, take off.
b.
Get rid of.
DISASSEMBLY
12.
Pressure housing
Nut (14)
a.
Place housing (13) in machinist’s vise
(13) and union
with vise jaw caps.
adapter (9)
b.
Using two 1 1/4-inch open-end
wrenches, loosen.
13.
Pressure
Union adapter (9)
a.
Note relative position for proper
housing (13)
with assembled parts
placement during assembly.
b.
Using 1 1/4-inch open-end wrench,
unscrew and take out.
14.
Union adapter (9)
Packing (15)
a.
Using pocket knife, take off.
b.
Get rid of.
2-1202
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