TM-9-2350-256-20-1

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 2

NOVEMBER 2005
TM-9-2350-256-20-1

  TM-9-2350-256-20-1 - Page 329 of 948

TM 9-2350-256-20-1
0060 00
Troubleshooting Procedure
APU Fuel Solenoid System
Symptom
APU fuel solenoid malfunctioning.
Malfunction
APU fuel solenoid fails to operate.
Do steps 1 thru 10.
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.
Disconnect APU control box to foot dimmer switch and bulkhead wiring harness from APU control
box. Place red lead of multimeter in socket N of wire 419 and black lead to ground. Turn MASTER
switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step 4. If
voltage is not present, go to step 2.
0060 00-3


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