Section VI. REPAIR AND REPLACEMENT OF AUTHORIZED PARTS

TM 55-4920-325-14&P

S e c t i o n VI. REPAIR AND REPLACEMENT OF AUTHORIZED PARTS

3-11. Removal.

3-12. Replacement.

WARNING

High voltages, dangerous to personnel,

Set Power ON/OFF switch (2, figure 2-

are present in the test set. Do not at-

1) to the OFF position before replacing

tempt to work on test set components

fuse.

while test set is operating or connected

CAUTION

to 115 volt power Iine. To prevent injury

to personnel, make certain that Power

When inserting a new fuse into the test

ON/OFF switch (item 2, figure 2-1) is in

set, check to see that the proper value

the OFF position when making minor

fuse (1/2 ampere) is used as a re-

parts replacements.

placement. Damage to the test set can

occur if wrong value fuse is used.

a. Fuse. The fuseholder cap (1, figure 3-2)

must be removed to gain access to fuse (2). Re-

a. Fuse. Insert fuse (2, figure 3-2) into fus-

move fuseholder cap (1) from fuseholder (3) by

eholder cap (1). Seat fuse (2) and fuseholder cap

pressing cap down, rotating cap one-quarter turn

(1) into fuseholder (3), then press and turn fus-

counterclockwise, and pulling the cap and fuse

eholder cap clockwise until fuseholder cap is se-

(2) from fuseholder (3). Extract fuse (2) from fus-

cure in fuseholder.

eholder cap (1).

b. Lamp. Install lamp (5, figure 3-2) into lamp

socket (6) by pressing and turning lamp clockwise

b. Lamp. The indicator lens (4, figure 3-2)

must be removed to gain access to lamp (5). Un-

until lamp is secure in lamp socket. Screw indi-

cator lens (4) clockwise into indicator socket (6)

screw indicator lens (4) counterclockwise from in-

until indicator lens is secure in indicator socket.

dicator socket (6). Remove lamp (5) from indi-

cator socket (6) by pressing lamp down, rotating

lamp one-quarter turn counterclockwise, and ex-

tracting lamp from indicator socket.

3-7