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 140 of 180

TM 9-6920430-14

(7) After the pump stops operating, repeat leak check in step 4.

(8) Slowly open the OUTLET BLEED valve (4) one turn counterclockwise. Very slowly

open the OUTLET SHUTOFF valve (7) just until you hear gas escaping. Purge the system for ten

minutes; then, close OUTLET SHUTOFF and OUTLET BLEED valve fully clockwise. Close

INLET SHUTOFF valve counterclockwise.

(9) Close the argon gas supply valve (5) fully clockwise. Slowly open the INLET BLEED

valve (1) one turn counterclockwise. Then slowly open (turning counterclockwise) the INLET

SHUTOFF valve (2) sufficiently to relieve high pressure down to 500 psig as read on the INLET

PRESSURE gage (3). Immediately close the INLET SHUTOFF valve (2) and then the INLET.

BLEED valve (1) fully clockwise.

(10) Slowly open the OUTLET BLEED valve (4) one turn counterclockwise. Then,

slowly open (turning counterclockwise) the OUTLET SHUTOFF valve (7) sufficiently to relieve

the high pressure down to 500 psig on the OUTLET PRESSURE gage (6). Close the OUTLET

SHUTOFF valve (7) and OUTLET BLEED valve (4) fully counterclockwise.

(11) Remove the inlet hose from the inlet connector.

(12) Remove tape from safety switch.

(13) Replace housing enclosure, figure 3-4, (3) by placing enclosure over assembly and

reinstalling the safety switch (16) on rear of enclosure. Install the 18 retaining screws (1) in lower end

of enclosure and 14 screws (2) in the front panel assembly.

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