ARMY TM 9-6115-604-12
NAVY 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, and
nuts removed in step a, above:
4-36.
MAINTENANCE OF LIGHTS AND SWITCHES . Used to provide lighting in engine compartment in order to
perform maintenance functions.
a.
Light fixtures DS102. DS103. and DS104.
(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), and
flat 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 while
energized. Ensure equipment is "tagged out" in accordance with Chapter 1, Section III
of this manual and equipment is NOT energized. Residual voltage is present at the
generator lead. with the regulator turned off, reaching SEVERAL HUNDRED VOLTS on
the generator sort. Proper insulation and isolation of metering equipment must be
observed when testing this generator. USE PROPER TEST EQUIPMENT TO CHECK
FOR 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 breaker
CB104 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 washer
assemblies (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.
Single Pole Switch S102 and 3-Way Switches S103 and S104.
(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 enough
from the receptacle box (15) so that the wiring to the 120 V ac switch can be disconnected and
tagged.
4-97
