TM 9-4910-663-34CHAPTER 3REPAIR INSTRUCTIONSSection I. DIRECT SUPPORT REPAIR INSTRUCTIONS3-1.TEST PANEL FRAME-MOUNTED COMPONENTSa.RemovalandReplacementofRegulatorMountingBracket(fig2-11).(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.RemovalandReplacementofCircuitBreakerCB1(fig2-8).(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, andremove the circuit breaker.(5)Reverse the procedures of steps (1) through (4) to install the replacement circuit breaker.c.RemovalandReplacementofIndicatorDS1,DS2,orDS8(fig2-7)(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
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