TM 9-4910-663-34
(5)
Remove the two screws and lockwashers that attach wires to the shunt, and detach the wires from the
shunt.
(6)
Remove the two nuts, lockwashers, and screws that attach the shunt to the test stand, and remove the
shunt.
(7)
Reverse the procedures of steps (1) through (6) to install the replacement shunt.
m.
Removal and Replacement of Equalization Coil Resistor R24 (fig 2-11).
(1)
Disconnect main power from the test stand.
(2)
Remove the 10 1/4-20 screws and lockwashers that attach the right side panel of the test stand, and
remove the right side panel.
(3)
Unsolder the wires from the resistor.
(4)
Remove the two nuts, lockwashers, and screws that attach the resistor to the test stand, and remove the
resistor.
(5)
Reverse the procedures of steps (1) through (4) to install the replacement resistor.
n.
Removal and Replacement of Voltage Adjust Potentiometer R37 (fig 2-5).
(1)
Disconnect main power from the test stand.
(2)
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 toggle bolt.
(3)
Unsolder the wires from the terminals of the potentiometer.
(4)
Loosen the knob setscrew, and remove the knob from the potentiometer.
(5)
Remove the nut that attaches the potentiometer to the test stand, and remove the potentiometer.
(6)
Reverse the procedures of steps (1) through (5) to install the replacement potentiometer.
o.
Removal and Replacement of Reversing Switch S1 (fig 2-8).
(1)
Disconnect main power from the test stand.
(2)
Open the high voltage compartment door.
Change 1 3-6
