TM 9-4910-663-34
(2)
Remove the panel retaining hardware from the sides and front of the control panel.
(3)
Raise the control panel and secure it in the up position with the lock bolt.
(4)
Remove the two retaining screws from the FASTER LOAD DISCONNECT switch and swing the switch to
the side of the adjacent rheostat.
(5)
Disconnect the wire leads from the terminals of the switch and remove the switch from the test stand.
(6)
Reverse the procedures of steps (1) through (5) to install the replacement switch.
i.
Removal and Replacement of Resistor R2, R3, or R4.
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining hardware from the sides and front of the control panel.
(3)
Raise the control panel and secure it in the up position with the lock bolt.
(4)
Locate resistors R2, R 3,or R4 behind BATTERY CIRCUIT SELECTOR I switch S6. Unsolder the leads of
the resistor that is to be replaced from the terminals of the switch, and remove the resistor.
(5)
Reverse the procedures of steps (1) through (4) to install the replacement resistor.
j.
Removal and Replacement of Resistor R5.
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining hardware from the sides and front of the control panel.
(3)
Raise the control panel and secure it in the up position with the lock bolt.
(4)
Locate resistor R5 on the right side of the load rheostat (R32) mounting bracket. Remove the screw, nut,
and lockwasher that attach the resistor and terminal strip to the bracket.
(5)
-love the resistor and terminal strip to one side. Unsolder the resistor leads and remove the resistor.
(6)
Reverse the procedures of steps (1) through (5) to install the replacement resistor.
Change 1 3-17
