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 193 of 948

TM 9-2350-256-20-1
0044 00
Troubleshooting Procedure
Engine Manifold Preheater System
Symptom
Engine manifold preheater system malfunctioning.
Malfunction
Manifold preheater fails to operate.
Do steps 1 thru 19.
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 three screws (1), three lockwashers (2), ground lead (3), flat washer (4), and release main
switch panel (5) from mounting brackets. Disconnect switch panel to neutral safety to bulkhead wiring
harness from main switch panel. Place red lead of multimeter in socket A of wire 14 and black lead to
ground. Turn MASTER switch on, push START switch, and check for voltage. Turn MASTER switch
OFF. If voltage is not present, go to step 15. If voltage is present, go to step 2.
0044 00-3


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