Front Panel Component Access

TM 11-7010-201-40-1/ET821-AA-MMI-010/E154 MTS/TO 31S5-2TSQ73-2-1

3-12. Front Panel Component Access.

Perform the following procedure to gain access to rear of components

mounted on the front panel (figure 3-6).

a. Removal. Remove front panel as follows:

(1) Extend MTS from case following procedure of paragraph 3-11.

CAUTION

Maintain support of the front panel when removed to prevent damage to the wiring

harness. The wiring harness will not support the full weight of the front panel.

(2) Remove six bolts and six flat washers securing front panel to frame.

(3) Carefully remove front panel from frame.

b. Replacement. Replace front panel as follows:

(1) Place front panel in position on frame.

(2) Secure front panel to frame using six bolts and six flat washers.

3-13. Indicator and Switch-indicator Removal and Replacement. Perform the following procedure to remove and

replace an indicator or switch-indicator (figure 3-7).

a. Removal Remove indicator or switch-indicator as follows:

(1) Gain access to rear of front panel following procedure of paragraph 3-12.

(2) Locate, tag, and unsolder wires connected to indicator or switch-indicator terminals.

(3) Unscrew and remove lens and lamp.

(4) Unscrew and remove sealing boot securing indicator or switch-indicator to front panel.

(5) Remove indicator or switch-indicator from front panel.

b. Replacement. Replace indicator or switch-indicator as follows:

NOTE

Use mounting hardware supplied with indicator or switch-indicator.

(1) Ensure that nut on indicator or switch-indicator is bottomed against housing.

(2) Place lockwasher over threads and install indicator or switch-indicator through hole in front panel from rear.

(3) Secure indicator or switch-indicator to front panel using sealing boot.

NOTE

Boot must seal against the surface of the front panel. Do not distort the sealing boot.

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