ARMY TM 9-6115-604-12NAVY NAVFAC P-8-633-12(b) No wire should be bent over any sharp surface that might wear through the wire in normal service.(c) No wire should be in contact with any heat producing part of the engine or exhaust system.(3) Attach multiple connectors using screws, nuts, and washers removed In step a, above.(4) Attach all wires terminating In lugs to the correct stud or terminal by replacing washers, lock washers, andnuts removed in step a, above:4-36.MAINTENANCE OF LIGHTS AND SWITCHES . Used to provide lighting in engine compartment in order toperform maintenance functions.a. LightfixturesDS102.DS103.andDS104.(1 ) Replace.(a) Open CB124.(b) Tag and disconnect wiring to AC light fixture (5, figure 3-11 ).(c) Remove the screw and captive washer assemblies (1), nut and captive washer assemblies (2), andflat washers (3), and remove the AC light fixture (5) from the fixture mounting bracket (4).(d) Remove the guard (9) and globe (8) and remove the bulb (7) and socket from the base (6).To avoid death or injury to personnel, no electrical component will be worked on whileenergized. Ensure equipment is "tagged out" in accordance with Chapter 1, Section IIIof this manual and equipment is NOT energized. Residual voltage is present at thegenerator lead. with the regulator turned off, reaching SEVERAL HUNDRED VOLTS onthe generator sort. Proper insulation and isolation of metering equipment must beobserved when testing this generator. USE PROPER TEST EQUIPMENT TO CHECKFOR VOLTAGE before proceeding with work.(2) Test. See Figure 3-11.(a) Remove the guard (9) and globe (8) and remove the bulb (7) from the base of the AC light fixture(5).(b) Ensure that engine room lighting circuit breaker CB108 and control room lighting circuit breakerCB104 are set to ON.(c) Using a multimeter set to read AC voltage, check the socket for the presence of 120 V ac current.(3) Install.(a) Install the socket in the base, and install the bulb (7) in the socket install the guard (9) and globe (8)in the base.(b) Install the AC fight texture (5) in the mounting bracket (4) with the screw and captive washerassemblies (1), nut and captive washer assemblies (2), and flat washers (3).(c) Connect wiring to the AC fight fixture (5) and discard the tags.(d) Close CB124.b. SinglePoleSwitchS102and3-WaySwitchesS103andS104.(1 ) Replace.(a) Open CB124.(b) Remove screw and captive washer assemblies (10, figure 3-11) and remove switch plate (11).(c) Remove screw and captive washer assemblies (12) and pull 120 V ac switch (13) just far enoughfrom the receptacle box (15) so that the wiring to the 120 V ac switch can be disconnected andtagged.4-97
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