TM 9-4910-663-34
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining hardware from the upper and lower rear panels of the test stand, and remove
the upper and lower rear panels.
(3)
Remove the panel retaining hardware from the sides and front of the control panel, raise the control panel,
and secure it in the up position with the lock bolt.
(4)
Remove the bolts and lockwashers that secure wires and/or bus bars to the shunt that is to be replaced,
and disconnect the wires and/or bus bars.
(5)
Remove the shunt retaining hardware that attaches the shunt to the resistor and shunts panel and remove
the shunt.
(6)
Reverse the procedures of steps (1) through (5) to install the replacement shunt.
f.
Removal and Replacement of Resistors R10, R11, R12, and R13.
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining hardware from the upper and lower rear panels of the test stand, and remove
the upper and lower rear panels.
(3)
Remove the panel retaining hardware from the sides and front of the control panel, raise the control panel,
and secure it in the up position with the lock bolt.
(4)
Remove the two nuts, lockwashers, and screws that attach wiring to the terminals of the resistor that is to
be replaced.
(5)
For resistor R10, R11, or R12: Remove the two nuts, lockwashers, and screws that attach the resistor to
the resistor and shunts panel and remove the resistor.
(6)
For resistor R13: Remove two nuts and lockwashers, one washer and cable clamp, and two screws that
attach the resistor to the resistor and shunts panel and remove the resistor.
(7)
Reverse the procedures of steps (1) through (6) to install the replacement resistor.
g.
Removal and Replacement of Relay K9.
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining hardware from the upper and lower rear panels of the test stand, and remove
the upper and lower rear panels.
Change 1 3-26
