TM 9-4910-663-34
(2)
Remove the panel retaining hardware from the sides and front of the control panel.
(3)
Remove the knob from the load rheostat.
(4)
Raise the control panel and secure it in the up position with the lock bolt.
(5)
Disconnect both wires from the rheostat.
(6)
Remove the copper bus and resistor from the rheostat mounting bracket.
(7)
Remove the retaining hardware that attaches the rheostat to the control panel.
(8)
Remove the rheostat from the control panel.
(9)
Reverse the procedures of steps (1) through (8) to install the replacement rheostat.
g.
Removal and Replacement of BATTERY CIRCUIT SELECTOR Switch (S6).
(1)
Disconnect main power from the test stand.
(2)
Re-move the panel retaining hardware from the sides and front of the control panel.
(3)
Remove the knob from the switch.
(4)
Raise the control panel and secure it in the up position with the lock bolt.
(5)
Unsolder the wires from the terminals of the switch.
(6)
Remove the switch retaining nut.
(7)
Remove the switch from the control panel.
(8)
Reverse the procedures of steps (1) through (7) to install the replacement switch.
h.
Removal and Replacement of MASTER LOAD DISCONNECT Switch (S8).
(1)
Disconnect main power from the test stand.
Change 1 3-16
