FRONT PANEL INDICATOR LAMP

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3011

3. Carefully tilt top of front panel out from chassis to

2. Using an orange-wood stick or other similar

gain access to the two interconnecting cables.

instrument, carefully pry plug-in LED element from its

socket.

4. Remove two screws securing each cable

connector and separate each cable connector from front

3. Align replacement LED element with front panel

panel.

socket and press firmly into place.

5. Remove front panel assembly.

4. Install filter and bezel assemblies and secure

with two retaining screws.

6. Position replacement front panel assembly to

enable mating of the two interconnecting cable

6-27. COOLING BLOWER. Replace the multiplexer

connectors to connectors on the panel.

set cooling blower as follows:

7. Mate and secure each connector, using screws

removed in step 4.

8. Position front panel assembly on multiplexer set

chassis and install 14 screws and washers to secure

front panel to chassis.

9. Reconnect power cable to POWER INPUT

Exercise care to ensure

connector on rear of multiplexer set.

that hands or foreign

objects are not placed in

6-25. FRONT PANEL INDICATOR LAMP. Replace

contact with the rotating

an individual front panel indicator lamp as follows:

blower fan.

1. Remove screw-on indicator lens cap.

2. Pull plug-in lamp from its socket.

Use care when extending

3. Align pins of replacement lamp with its socket

and rotating the chassis

and press lamp firmly into place.

upon its slides. Extend

and/or rotate chassis

4. Install and tighten indicator lens cap.

slowly and ensure that

slides lock in the desired

6-26. LED ELEMENT. Replace a light- emitting diode

position before starting

(LED) element of the FAULT LOCATION display as

blower replacement.

follows:

Don't leave equipment

1. Remove

two

screws

securing

FAULT

ON with fan removed

LOCATION display bezel and filter (figure 6-4) and

for more than 20

remove

bezel

and

filter

assemblies.

minutes.

NOTE

The cooling blower panel

is fitted with electrical

inter- locks that enable

blower

replacement

without

removal

multiplexer set operating

power.

6-25