Removal and Replacement of Indicator Lamps

natural oils, prolonged contact with skin

NOTE

should be avoided. When necessary,

Replace POWER ON indicator lamp by

use gloves which the solvent cannot

turning it clockwise.

penetrate.

If the solvent is taken

(1) Insert lamp in lens assembly.

internally,

consult

physician

(2) Screw lens assembly into the socket by

immediately.

turning it clockwise.

b. Remove grease, fungus, and ground-in dirt

(3) Check lamp for proper operation by

from the equipment using a soft cloth dampened (not

performing BITE test (para 2-5b(2)).

wet) with trichlorotrifluoroethane.

c. Digital Tester Indicator Lamp Replacement.

c. Remove dirt from connectors with a brush;

To replace an indicator lamp in the digital tester refer to

remove moisture with a dry cloth.

TM 11-6625-2951-13.

d. Clean control-interface unit TEST NUMBER

3-15. Fuse Replacement (Digital Tester)

display window with a soft clean cloth moistened with

To replace the 10 ampere FAST fuse in the rear of the

water. If dirt is difficult to remove, a mild soap may be

digital tester proceed as follows:

used.

WARNING

e. Clean counter display window on digital

Before replacing fuse, disconnect power

tester with a soft cloth moistened with water. If dirt is

cable from power source.

difficult to remove, a mild soap may be used.

a. Press fuse holder cover in, turn

Clean switches and control knobs using a

counterclockwise and remove cover.

soft cloth dampened with water. Use mild soap if

NOTE

necessary.

The fuse comes out of the holder with the cover.

3-14. Removal and Replacement of Indicator

b. Pull fuse out of cover.

Lamps

c. Place new fuse in fuse holder cover.

a. Control-Interface Unit Indicator Lamp

d. Insert fuse in holder, press and turn fuse

Removal To remove an indicator lamp from the control-

holder cover clockwise to locked position.

interface unit, proceed as follows:

3-16. Testing After Repair

(1) Unscrew and remove the lens

After a repair has been completed on the control-

assembly by turning it counterclockwise.

interface unit or digital tester proceed as follows:

NOTE

a. Set the control-interface unit and digital

The lamp comes out of the socket with

tester controls in accordance with table 2-4.

the lens assembly.

b. Perform the BITE test in accordance with

(2) Pull lamp out of lens assembly.

paragraph 2-5b(2).

NOTE

c. Perform the digital tester self test in

POWER ON indicator lamp is removed

accordance with TM 11-6625-2951-13.

pressing

and

turning

counterclockwise.

b. Control-Interface Unit Indicator Lamp

Replacement. To replace an indicator lamp in the

control-interface unit proceed as follows:

3-3