TM 9-2350-256-20-1
0087 00
Troubleshooting Procedure
Engine Generator Blower Motor
Symptom
Engine generator blower malfunctioning.
Malfunction
Engine generator blower motor fails to operate when engine is running. Do steps 1 and 2.
CORRECTIVE ACTION
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.
1.
Remove powerplant and connect groundhop kit (see WP 0098 00 and 0099 00). Disconnect engine
wiring harness from engine blower motor. Place red lead of multimeter in socket A of wire 415 and
black lead to ground. Turn MASTER switch on, start engine, and check for voltage. Turn engine and
MASTER switch OFF. If voltage is present, go to step 2. If voltage is not present, repair/replace wire
415 of engine wiring harness from blower plug to generator armature terminal (see WP 0207 00 for
dual voltage; 0208 00 for single voltage).
2.
Place red lead of multimeter in socket B of GND wire and black lead to GND. Check for continuity.
If continuity is present, repair/replace engine generator blower motor (see WP 0150 00). If continuity
is not present, repair/replace ground wire of engine wiring harness (see WP 0207 00 for dual voltage;
0208 00 for single voltage).
END OF WORK PACKAGE
0087 00-2
