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 100 of 180

TM 9-6920-430-14

3-9. If hoses are damaged they must be replaced. If any other item on the GPU is damaged

beyond your level of repair, the GPU must be returned to for repair through normal supply

channels.

(36) Close the gas supply valve (27) fully clockwise.

(37) Slowly open the INLET BLEED valve (28) 1/4 to one turn

counterclockwise to allow pressure to bleed off slowly. The pressure on the INLET

PRESSURE gage (29) will slowly bleed down to 500 psig in approximately 2 to 4 minutes.

Close the INLET BLEED valve (28) when pressure has reached 500 psig.

(38) Close the INLET SHUTOFF (30) and OUTLET SHUTOFF (32) valves

fully clockwise.

(39) Slowly open the OUTLET BLEED valve (31) counterclockwise. The

pressure will be bled from the flexible hoses. After all gas has escaped, close the OUTLET

BLEED valve (31).

(40) Open the PROOF TEST SHUTOFF valve (34) fully counterclockwise. This

valve must be opened for normal operation of the GPU. Open the INLET SHUTOFF (30)

and INLET BLEED (28) valves two turns counterclockwise until gas has escaped. Close

INLET SHUTOFF and INLET BLEED valves.

(41) Disconnect the flexible hose at the PROOF TEST GAS INLET (35).

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