COMPONENT BOARD ASSEMBLY A4 REPLACEMENT.

TM 1-6625-735-14

f. Install replacement synchro B1 to back of synchro

b. Remove screws, spacers, washers, and nuts (48,

dial using mounting hardware provided with dial.

Figure 5-2) fastening component board assembly A3

(47) to support assembly (46).

g. Solder (item 7, Appendix C) synchro B1 wires to

panel assembly wiring. Remove tags.

c. Tag and unsolder wires from component board

assembly A3.

h. Clamp dial to synchro B1 control shaft by tight-

ening setscrews.

d. Solder (item 7, Appendix C) wires to replacement

component board assembly. Remove tags.

Do paragraph 5.20.

e. Install component board assembly to support

5.9.

CIRCUIT BREAKERS CB1 THROUGH

assembly (47) using screws, spacers, washers, and

CB4 REPLACEMENT.

nuts (48).

Do paragraph 5.3.

Do paragraph 5.20.

b. Tag and disconnect wires to circuit breaker CB1

5.7.

COMPONENT BOARD ASSEMBLY A4

(29, Figure 5-2).

REPLACEMENT.

c. Remove nut and washer fastening circuit breaker

a. Do paragraph 5.3.

to panel (1).

b. Remove screws, spacers, washers, and nuts (71,

d. Connect wires to replacement circuit breaker.

Figure 5-2) fastening component board assembly A4

Remove tags.

(77) to panel assembly (70).

e. Install circuit breaker to panel using washer and

c. Tag and unsolder wires from component board

nut provided with circuit breaker.

assembly A4.

Do paragraph 5.20.

d. Solder (item 7, Appendix C) wires to replacement

component board assembly. Remove tags.

5.10.

LAMPS DS1 THROUGH DS9 AND DS16

THROUGH DS45 REPLACEMENT.

e. Install component board assembly to panel assem-

bly (70) using screws, spacers, washers, and nuts (71).

NOTE

Do paragraph 5.20.

Procedure is typical.

5.8.

SYNCHRO REPLACEMENT.

Do paragraph 5.3.

a. Do paragraph 5.3.

Unscrew lens from light XDS1.

b. Loosen setscrews in gear mechanism of synchro

c. Remove damaged lamp DS1 (26, Figure 5-2)

dial to free synchro B1 (36, Figure 5-2) control shaft

from light XDS1.

from dial.

Install replacement lamp into light. Install lens.

c. Loosen synchro mounting hardware on back of

dial holding synchro B1 in place.

5.11.

RELAY K1 REPLACEMENT.

Do paragraph 5.3.

Remove synchro B1 from dial.

b. Remove screws, washers, and nuts (55, Figure

e. Tag and unsolder synchro B1 wires from panel

5-2) fastening bracket (56) to support assembly (46).

assembly wiring.

5-6