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 92 of 180
TM 9-6920-430-14
(6) Check the following high pressure fittings for leaks
fluid:
(a) Inlet fitting at upper left front corner of GPU.
using leak detecting
(b) Outlet fitting at upper right front corner of GPU.
(c) PRESSURE fitting at Pressure Transducer Assembly.
(d) Four port fittings at the cross fitting.
If leaks are detected, perform steps (7) through (12), otherwise go to step (13).
(7) Close the gas supply bottle valve (l), OUTLET SHUTOFF valve (5), and
INLET SHUTOFF valve (7) fully clockwise. Open the OUTLET BLEED valve (6) slowly
two turns counterclockwise. Tighten the leaking fittings using appropriate wrenches.
(8) Slowly open the gas supply bottle valve (1) two turns counterclockwise.
(9) Close the OUTLET BLEED valve (6).
(10) Open the OUTLET SHUTOFF valve (5) two turns counterclockwise.
(11) Open the INLET SHUTOFF valve (7) two turns counterclockwise. The
INLET PRESSURE (8) and OUTLET PRESSURE (2) gages and the digital readout
device (9) should all read approximately the same.
3-32
Change 3
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