TM 9-4910-663-34
(4)
Disconnect electrical wiring from the terminals of the meter that is to be replaced.
(5)
Remove the meter from the instrument panel.
(6)
Reverse the procedures of steps (1) through (5) to install the replacement instrument.
c. Removal and Replacement of Rotary Switches.
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining screws from the top and sides of the instrument panel.
(3)
Swing the instrument panel down.
(4)
Disconnect all wiring from the terminals of the switch that is to be replaced.
(5)
Remove the switch retaining hardware.
(6)
Remove the switch from the instrument panel.
(7)
Reverse the procedures of steps (1) through (6) to install the replacement switch.
d. Removal and Replacement of Toggle Switches.
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining screws from the top and sides of the instrument panel.
(3)
Swing the instrument panel down.
(4)
Disconnect the wiring from the terminals of the toggle switch that is to be replaced.
(5)
Remove the switch retaining hardware.
(6)
Remove the switch from the instrument panel.
(7)
Reverse the procedures of steps (1) through (6) to install the replacement switch.
e. Removal and Replacement of Potentiometer R35.
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