TM-5-5420-202-20-4
M60A1 CHASSIS, TRANSPORTING; FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 4 OF 4
OCTOBER 1985
TM-5-5420-202-20-4 - Page 173 of 534
TM 5-5420-202-20-4
FIXED FIRE EXTINGUISHER CONTROL VALVE REPLACEMENT (Sheet 14 of 14)
7.
8.
9.
10.
11.
Using hands, remove protective cap (M)
from port (N) of cylinder (P) and stow
on dummy plug (Q).
Using two adjustable wrenches, install
elbow (R) on pressure head (S).
Using hands, install pressure head(s) and
washer (T) on Port (N)
●
Using 9/16-inch wench, install tube (U)
on elbow (R) and valve adapter (A).
Using 3/8 inch drive torque wrench and
9/16-inch crow foot wrench, tighten
tube (U) to 135-150 lb-in (13.5 -17
N-m).
12.
13.
14.
15.
Using 1-1/2 inch wrench, tighten
pressure head (S) and valves (B) and (K).
Using 1/2-inch drive torque wrench,
tighten pressure head(s) and valves (B)
and (K) to 105-130 lb-ft (142-176 N-m).
Do semi-annual check (page 3-52).
Install personnel heater air duct (page
18-18).
End of Task
TA248673
20-15
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