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 91 of 180
TM 9-6920-430-14
If leaks are detected in the next step, serious injury can result if the fittings
are loosened by mistake instead of tightened.
(2) Squirt leak detecting liquid around the gas supply bottle fitting (3) and
PROOF TEST GAS INLET (4) fittings. Visually check for gas bubbles indicating leakage.
If leaks are detected, close the gas supply bottle valve (1) fully clockwise. Slowly open the
OUTLET SHUTOFF valve (5) and the OUTLET BLEED valve (6) until all gas escapes,
then close the OUTLET SHUTOFF valve and OUTLET BLEED valve fully clockwise.
Carefully tighten the leaking fitting (turning clockwise) and repeat steps
a.
(1) and (2).
(3) Slowly open the OUTLET SHUTOFF valve (5) two turns counterclockwise.
(4) Slowly open the INLET SHUTOFF valve (7) two turns counterclockwise.
(5) Observe that the INLET PRESSURE (8) and OUTLET PRESSURE gages
(2) and the digital readout device (9) read approximately the same.
Change 3
3-31
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