TM 9-4910-663-34
(3)
Remove the four nuts, lockwashers, and washers that attach the wires to the terminals of the reversing
switch, and detach the wires from the terminals.
(4)
Remove the retaining hardware that attaches the reversing switch to the test panel, and remove the
reversing switch.
(5)
Reverse the procedures of steps (1) through (4) to install the replacement reversing switch.
p.
Removal and Replacement of STOP or START Switch S2 or S3 (fig 2-7).
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining hardware from the sides and front of the control panel (fig 2-5), raise the
control panel, and secure it in the up position with the toggle bolt.
(3)
Remove the two retaining screws, nuts, and washers from the switch that is to be removed, and separate
the switch from the test stand carefully.
(4)
Disconnect wiring from the switch terminals.
(5)
Reverse the procedures of steps (1) through (4) to install the replacement switch.
q.
Removal and Replacement of Door Interlock Switch S4 (fig 2-8).
(1)
Disconnect main power from the test stand.
(2)
Open the high voltage compartment door and the battery compartment door.
(3)
Unsnap the leads from the terminals of the door interlock switch.
(4)
Remove the two screws that attach the door interlock switch to the test stand, and remove the switch.
(5)
Reverse the procedures of steps (1) through (4) to install the replacement door interlock switch.
r.
Removal and Replacement of Toggle Switch S9, S38, or S39 (fig 2-5).
(1)
Disconnect main power from the test stand.
Change 1 3-7
