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 150 of 180

TM 9-6920-430-14

3-26.1 RELIEF VALVE REPLACEMENT PROCEDURE (Figure 3-12.1).

a. Remove housing enclosure in accordance with paragraph 3-18, steps a and b.

b. Using a 7/16-inch wrench, remove support bracket retaining screws (6) and bracket

assembly (1) form relief valve (2).

c. Remove both the filter (4) and high pressure input lines (5) from the relief valve tee

connector (3) using a 9/16-inch wrench.

d. Remove relief valve exhaust line (7) from relief valve coupling adapter (8) by

securing coupling in place with a 1-inch open end wrench and rotating connector

counterclockwise using a 5/8-inch open end wrench.

e. Remove tee connector (3) from relief valve assembly (2) and retain.

f. Remove relief valve assembly.

g. Install replacement relief valve in the reverse order of removal described in steps b

through f.

h. Perform proof pressure test in accordance with Section IV.

3-26.2 SOLENOID VALVE REPLACEMENT PROCEDURE (figure 3-12.1).

a. Remove housing enclosure in accordance with paragraph 3-18, steps a and b.

b. Remove inlet exhaust line (7) input to solenoid assembly (11) using a 5/8-inch open

end wrench.

c. Using a 7/16-inch wrench, remove bracket retaining screws (14) and bracket

assembly (12) from solenoid valve (10) and retain.

d. Remove screws (9) and cover plate (10) from TB1 function box (15) and disconnect

solenoid lead-in wires from terminals 1 and 2 on TB1.

e. Install replacement solenoid valve in the reverse order of removal described in steps

a through h.

f. Perform proof pressure test in accordance with Section IV.

3-82.6

Change 3