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 103 of 180

TM 9-6920-430-14

NOTE

Very small leaks at the following fittings are acceptable:

a. Inlet fitting at upper left side of GPU.

b. Outlet fitting at upper right side of GPU.

c. Inlet port of cross connector.

d. Proof test inlet port.

e. Gas supply bottle adapter.

(50) Close the gas supply valve (41), OUTLET SHUTOFF valve (43), and INLET

SHUTOFF valve (44) fully clockwise. Slowly open the OUTLET BLEED valve (42) two turns

counterclockwise. Tighten the leaking fittings using appropriate size wrenches.

(51) Close the OUTLET BLEED valve (42).

(52) Slowly open the gas supply bottle valve two turns counterclockwise.

(53) Open the OUTLET SHUTOFF valve (43) two turns CCW.

(54) Open the INLET SHUTOFF valve (44) two turns CCW. The INLET PRESSURE

(45) and OUTLET PRESSURE (46) gages and the digital readout device (47) should all read

approximately the same ±200 psi. Perform step 49.

(55) Return to location of control box and perform proof test per steps 31 through 35.

(56) Record date of high proof pressure test in applicable columns of DA Form 2408-9.

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