MWO-9-2300-378-34-2
TANK, COMBAT FULL-TRACKED
MODIFICATION WORK ORDER
JUNE 1984
MWO-9-2300-378-34-2 - Page 17 of 92
MWO 9-2300-378-34-2
b.
Installation of Solenoid Valve Assembly.
NOTE
The damper end (accessory end) or the engine will be
called the front and the transmission end the rear. As
viewed from the front of the engine toward the rear, the
side to the right will be called the right bank and the side
to the left will be called the left bank.
NOTE
During the following modification, clean all pipe
threads (both male and female) with dry cleaning
solvent PD-680 and apply teflon tape (antiseize
tape MIL-T-27730).
Lube threads of all tube fittings with technical
petrolatum VV-P-2 36.
(1) Remove protective plugs and felt filtering discs (if present) from inlet and outlet
ports of the solenoid valves.
NOTE
It may be necessary to reposition receptacle connector to
install nipple
AN911-2.
If connector
must be
repositioned, secure valve in a soft-jawed vise (or wrap a
rag around valve and secure in vise) and loosen acorn nut
on top of valve and reposition connector.
(2) Apply teflon tape to threads of pipe nipple AN911-2 and install nipple between
outlet port of one solenoid valve and inlet port of the other (figure 5, view A). The bottom
surfaces of the valves must be parallel.
(3) Place solenoid valve in soft-jawed vise or in vise with rag. Apply teflon tape to
threads of 90 elbow, MS518 15-36 and install in solenoid valve inlet port. Tighten to five
o’clock position (figure 5, view B).
(4) Place the second solenoid valve in soft-jawed vise or in vise with rag. Apply
teflon tape to threads of 90
elbow MS51815-36 and install in solenoid valve outlet port.
Tighten to twelve o’clock position (figure 5, view C).
(5) Check position of receptacle connector on each solenoid valve 11668627-2.
Connector should be positioned 45° from inlet port as shown in figure 5, view D. If connector
must be repositioned, secure valve in a soft-jawed vise (or wrap a rag around valve and secure
in vise) and loosen acorn nut on top of valve.
Reposition connector and torque nut to
50 lb.-in. (5.6 n.m).
15
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