TM-9-6920-430-14
COOLANT RECHARGING UNIT, TRAINING GUIDED MISSILE SYSTEM M80 AND CHARGER, BATTERY PP-7309/T
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
AUGUST 1980
TM-9-6920-430-14 - Page 52 of 180
TM 9-6920-430-14
NOTE
If ambient temperature is 60 °F or below, coolant reser-
voir assembly can only be charged to 5200 psig.
r.
Depress green ON pushbutton on GPU control panel. Compressor should
continuously run until coolant reservoir assembly is filled to 6000 ± 200 psi. If
ambient temperature is below 60
0
F, manually depress red OFF pushbutton
on GPU control panel when OUTLET PRESSURE gauge registers 5200 psig.
s.
When the reservoir has been filled and the GPU is manually or automati-
cally shut off, close the OUTLET SHUTOFF valve (fully CW).
t. Slowly open (CCW) the OUTLET BLEED valve to relieve pressure in
flexible hose.
u.
Release two latches on rear of GPU safety lid and lift lid.
U
.
Remove flexible fill hose fitting from B&F adapter.
w.
Replace dust cover on hose fitting.
x.
Close GPU OUTLET BLEED valve by turning it fully CW.
y.
Remove safety chain securing flexible fill hose to chamber mounting
bracket.
z.
Remove B&F adapters from reservoir assembly.
aa.
Pull cover locking pin from lugs on chamber safety cover and lower
cover.
CAUTION
DO NOT exceed stated torque value in the fol-
lowing step.
ab.
Install B&F port cover nut. Tighten nut to a torque value of 2 ± 1 ft lbs.
ac.
Tighten small screw on B&F port cover nut.
ad.
Remove coolant reservoir assembly from chamber.
ae.
Install protective collar on forward end of coolant reservoir assembly.
af.
Place coolant reservoir assembly in shipping and storage container.
ag.
Place the system in the operational standby mode (par. 2-1.c) or perform
post-operating instructions (par. 2-.5).
2-4.2 COOLANT RESERVOIR BLEED-DOWN PROCEDURE
a.
Ensure that the GPU INLET SHUTOFF, INLET BLEED, OUTLET
SHUTOFF, and OUTLET BLEED valves are closed (fully CW).
2-20.6
Change 5
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