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 146 of 180

TM 9-6920-430-14

3-24. ON/OFF PUSHBUTTON SWITCH REPLACEMENT (Figure 3-10).

a.

Disconnect the power cable from AC source.

b.

Remove housing enclosure in accordance with para. 3-18, steps a through c (page 3-76).

c.

Remove rear access cover from switch assembly enclosure at rear of front panel by removing

retaining screws from lower edge of cover plate.

d.

Disconnect attaching leads from rear of defective switch.

e.

Remove the retaining nut and gasket from the pushbutton assembly on front panel.

f.

Switch is removed by lifting out through rear panel assembly.

g.

Reinstall replacement switch through rear panel assembly and reinstall front panel gasket

and retaining nut.

h.

Attach leads removed in step c to switch terminals.

i.

Replace rear access cover on switch assembly enclosure and secure in place with upper and

lower retaining screws.

j.

Replace housing enclosure in accordance with para. 3-18h, step 13 (page 3-78).

k.

Reconnect AC power cable.

3-82.2

Figure 3-10.

ON/OFF Pushbutton Switch Replacement

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