SECTION V: TROUBLESHOOTING
TM 9-2350-256-20
WARNING
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry contacts a metal
surface a direct short may result in instant
heating of tools, damage to equipment, and
injury or death to personnel.
F
Reconnect wire 1 of bulkhead to engine bracket and
rear fuel tank transmitter wiring harness to the
bulkhead to engine wiring harness and starter relay
wiring harness. Disconnect wire 1 of bulkhead to
engine bracket and rear fuel tank transmitter wiring
harness from bulkhead to APU, master relay, and
rigger's lights wiring harness. Place red lead of
multimeter on male connector of wire 1 and black lead
to ground. Turn MASTER switch on, start engine,
open generator cutout switch and check for voltage.
Turn engine and MASTER switch OFF, and close
generator cutout switch. If voltage is present,
repair/replace wire 1 of bulkhead to APU, master
relay,
and
rigger's
lights
wiring
harness
(see
paragraph 6-75). If voltage is not present, go to step
I.
G
Remove engine deck (see paragraph 9-51).
Reconnect
engine
voltage
regulator
to
engine
disconnect wiring harness to engine voltage regulator.
Disconnect generator power lead assembly from
engine disconnect. Place red lead of multimeter in
socket A of wire 2 and black lead to ground. Turn
MASTER switch on, start engine, open generator
cutout switch and check for voltage. Turn engine and
MASTER switch OFF, and close generator cutout
switch. If voltage is not present, repair/replace wire 2
of engine voltage regulator to engine disconnect
wiring harness (see paragraph 6-43). If voltage is
present, go to step H.
H
Remove powerplant (see paragraph 3-1). Place red
lead of multimeter on terminal of generator and black
lead to ground. Turn MASTER switch on, start
engine, open generator cutout switch and check for
voltage. Turn engine and MASTER switch OFF, and
close generator cutout switch. If voltage is not
present, repair/replace wire 2 of generator power lead
assembly (see paragraph 6-36). If voltage is present,
replace engine generator (see paragraph 6-1).
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