Overvoltage Protector (VR1), Removal/Installation.

TM 32-5865-069-24&P

S1 is removed/installed as follows:

(1) Tag and unsolder the wires connected to the switch.

(2) Remove jam nut and lockwasher securing S1 to the front panel.

(3) Remove S1.

(4) To install a replacement S1, reverse the procedure described in steps

(1) thru (3) above.

(5) Install bottom cover.

S2 is removed/installed as follows:

(1) Tag and unsolder the wires connected to S2.

(2) Remove and retain the knob.

(3) Remove the nut securing S2 to the front panel.

(4) Remove S2.

(5) To install a replacement S2, reverse the procedure described in steps

(1) thru (4) above.

(6) Install bottom cover.

S3 is removed/installed as follows:

(1) Tag and unsolder the wires connected to S3.

(2) Remove indicator from the switch housing.

(3) Loosen the screw inside the housing to free the cam securing the

sleeve against the front panel.

(4) Remove sleeve and switch housing.

(5) To install a replacement S3, reverse the procedure described in steps

(1) thru (4) above.

(6) Install bottom cover.

To remove/install VR1,

5-4.21 Overvoltage Protector (VR1), Removal/Installation.

carry out the following steps:

a. Remove the top cover. Refer to para 5-4.1.

b. Tag and unsolder the wires connected to VR1.

c. Remove and retain the screws securing PS1 to the side panel. Move PS1 to

access the screws securing VR1 to the chassis. Refer to para 5-4.6.

5-37