Controls and Switches

TM 5-6675-250-34

panel as applicable, to obtain access to the attaching

Reassembly.

(1) Install the meter in the panel assembly and

parts.

(4) Remove the attaching parts securing the

s e c u r e with three screws and nuts.

(2) Solder the electrical leads to the meter in

s w i t c h or control to the panel assembly.

( 5 ) Remove the panel assembly.

accordance with the identification tags on the wires

b. Inspection.

(1) Visually inspect the exterior electrical

3-6. Controls and Switches

c o n n e c t o r s for evidence of burns or short circuits.

Controls and switches replaceable at the direct and

( 2 ) Operate the switch or control to check for

general support maintenance levels of HAND

smooth action.

LAMP, PANEL ILLUM, BIAS CONTROL, THEO

c . Installation.

BRT, PRESS TO TEST, RESET, MODE SELECT,

(1) position the switch in the panel assembly.

T E S T SELECT, and LATITUDE. Do the following

(2) Install attaching parts to secure the switch

t o remove and replace the switches or controls,

in place.

a. Removal.

( 3 ) Install edge-lighted panel, knob, or switch

(1) Remove the printed circuit board (para 3-4)

c o v e r , as applicable, over the shaft.

to obtain access to the back of the control unit panel

(4) Solder the electrical leads to the switch or

control in accordance with the identification tags on

(2) Unsolder the electrical leads from the

the wires (para 2-10 b).

defective control or switch and tag for identification.

( 5 ) Install the printed circuit board (para 3-4).

( 3 ) Remove knob or switch cover, edge lighted

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