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 44 of 180
TM 9-6920-430-14
(5) Open the OUTLET SHUTOFF valve (29) two complete turns
counterclockwise.
(6) Squirt leak detecting liquid around the two outlet hose fittings. Visually
check for gas bubbles indicating leakage. If leaks are detected, close OUTLET SHUTOFF
valve (29) fully clockwise. Open OUTLET BLEED valve (28) to relieve gas. Tighten
fitting. Close OUTLET BLEED valve fully clockwise and repeat steps (5) and (6).
NOTE
If a squeaking noise is heard when the pump is operating, press the OFF
pushbutton and perform the During (D) preventive maintenance checks and
services described in item number 11 in table 3-1 (page 3-10).
(7) Press the ON pushbutton (26) to start the pump. If the pump does not go on,
open the left access door and momentarily press the reset button on the starter relay. Close
the access door and press the ON pushbutton (26). If the OUTLET PRESSURE gage does
not show an increased pressure reading after one minute of operation, the compressor may
have lost its prime. Turn the GPU off and perform the priming procedures contained in
Chapter 3, Section VI, Corrective Maintenance.
2-18
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