TM 9-2350-247-10
TROUBLESHOOTING SYMPTOM INDEX
0055 00
AIR BRAKE KIT (M548A1)
No Brake Response When You Step on Treadle Valve Pedal ..................................................................................005600-1
Air Brakes Don’t Release .........................................................................................................................................005600-1
BILGE PUMP
Bilge Pump Does Not Work With The BILGE PUMP Switch On ...........................................................................005600-3
DIFFERENTIAL (M548A1)
DIFFERENTIAL OIL HI TEMP Warning Light On ...............................................................................................005600-5
ELECTRICAL SYSTEM
No Battery Current ...................................................................................................................................................005600-7
Batteries Discharged .................................................................................................................................................0056 00-7
With MASTER SWITCH ON, Indicator Light Does Not Light ..............................................................................005600-7
ENGINE
Engine Doesn’t Crank When You Press Start Switch ..............................................................................................005600-9
Engine Cranks But Does Not Start ...........................................................................................................................005600-9
Engine Cranks But Does Not Start When Temperature is Below +40
F (+4
C)
and Air Box Heater is Used ..................................................................................................................................0056 00-10
Engine Cranks Too Slow to Start ............................................................................................................................0056 00-10
Engine Labors, Runs Rough, Stalls, or Does Not Put Out Full Power ...................................................................0056 00-10
Engine Overheats ....................................................................................................................................................0056 00-11
ENGINE OIL HI TEMP-LOW PRESS (M548A1) or ENGINE OIL LOW
PRESS (M548A3) Warning Light Comes On ......................................................................................................0056 00-12
ENGINE COOLANT LOW LEVEL Warning Light Comes On ...........................................................................005600-12
ENGINE COOLANT HEATER (M548A3) KIT (M548A1)
Engine Coolant Heater Does Not Start With RUN-OFF START Switch Held
in Start Position ....................................................................................................................................................005600-13
Coolant Heater Overheats .......................................................................................................................................0056 00-13
Coolant Heater Output Too Low .............................................................................................................................0056 00-13
Batteries Overheat ..................................................................................................................................................005600-13
FINAL DRIVE
Final Drive Runs Hot ..............................................................................................................................................0056 00-15
MACHINE GUN MOUNTING KIT (M66 MOUNT) (M548A1/M548A3)
Machine Gun Hard to Traverse ...............................................................................................................................0056 00-17
Mount Hard to Traverse ..........................................................................................................................................0056 00-17
Machine Gun With Ammunition Doesn’t Balance Right .......................................................................................0056 00-17
0055 00-1
