Repair Instrument Panel Assembly . (FIGURE 3-3)

TM 55-1905-223-24-4

3-10. Repair Instrument Panel Assembly . (FIGURE 3-3)

This task covers:

a. Disassembly,

b. Repair,

c. Assembly.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, electrician's,

Equipment secured and tagged "Out of

Service" (TM 55-1905-223-10).

Door assemblies removed

(Para. 2-14 and 2-15).

Instrument panel removed

(Para. 2-12).

Materials /Parts

Rubber grommet P/N 508-0117

Relay, 24 Vdc P/N 307-2613

Relay, 24 Vdc P/N 307-2612

Toggle switch P/N 308-0069

Burden resistor P/N 304-0787

Transformer P/N 302-1837

Relay, 24 Vdc P/N 307-2615

Relay, 24 Vdc P/N 307-2614

DC control harness P/N 338-2202

AC control harness P/N 338-2203

Engine harness P/N 338-2182

Relay, 240V P/N 307-2611

Voltage regulator P/N 305-0770

Resistor P/N 304-0789-01

Resistor assembly P/N 304-0788

Warning tags, Item 21, Appendix C

DISASSEMBLY

a. Tag and disconnect all wiring harnesses from terminal board (4).

(1) Check wiring for burns, discoloring or breaks.

(2) Check for corrosion.

b. Remove panhead screws (10).

Remove relays (8, 9, 12, 13, 14) from control box assembly (15).

d. Remove paralleling module.

(1) Remove toggle switch (22).

3-10