Engine Generator (Dual Voltage)
Engine generator (dual voltage) malfunctioning.
Generator indicator reads in yellow or lower red region with engine running and generator cutout switch closed.
Do step 1.
Generator cutout switch does not operate. Do steps 3 thru 11.
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.
Raise boom all the way up (TM 9-2350-256-10). Open air inlet door (TM 9-2350-256-10). Remove
screw (1), nut (2), and bracket (3). Disconnect batteries to master relay, voltage regulators, slave
receptacle, and engine disconnect wiring harness from engine regulator. Place red lead of multimeter
on pin A of wire 2 and black lead to ground. Turn MASTER switch on and check for voltage. Turn
MASTER switch OFF. If voltage is not present, troubleshoot battery circuit. If voltage is present, go
to step 2.