TM 9-4910-663-34
CHAPTER 3
REPAIR INSTRUCTIONS
Section I. DIRECT SUPPORT REPAIR INSTRUCTIONS
3-1.
TEST PANEL FRAME-MOUNTED COMPONENTS
a.
Removal and Replacement of Regulator Mounting Bracket (fig 2-11).
(1)
Disconnect main power from the test stand.
(2)
Remove the two nuts from the U-bolt.
(3)
Remove the regulator mounting bracket.
(4)
Reverse the procedures of steps (1) through (3) to install the replacement regulator mounting bracket.
b.
Removal and Replacement of Circuit Breaker CB1 (fig 2-8).
(1)
Disconnect main power from the test stand.
(2)
Open the high voltage compartment door.
(3)
Loosen the screws that secure wires to the circuit breaker terminals and disconnect the wires.
(4)
Remove the four nuts, lockwashers, washers, and bolts that attach the circuit breaker to the test stand, and
remove the circuit breaker.
(5)
Reverse the procedures of steps (1) through (4) to install the replacement circuit breaker.
c.
Removal and Replacement of Indicator DS1, DS2, or DS8 (fig 2-7)
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining screws 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)
Disconnect wires from the terminals of the indicator that is to be removed.
(4)
Remove the indicator retaining nut and washers.
(5)
Remove the indicator from the test stand.
(6)
Reverse the procedures of steps (1) through (5) to install the replacement indicator.
Change 1 3-1
