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 42 of 180
TM 9-6920-430-14
2-4. REFILLING PROCEDURE.
a. Operation
(1) Connect the GPU to a 115 VAC 50/60 Hz power source.
(2) Very slowly open the argon gas supply valve (20) two complete turns
counterclockwise.
(3) Squirt leak detecting liquid around the two inlet hose fittings (21). Visually
check for gas bubbles indicating leakage. If leaks are detected, close argon gas supply
valve (20) fully clockwise. Open INLET BLEED valve (22) counterclockwise to relieve gas.
Tighten fitting. Close INLET BLEED valve fully clockwise and repeat steps (2) and (3).
2-16
Change
3
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