TK 61753-2-MM-EN
145
Mechanical Diagnosis
CONDITION POSSIBLE CAUSE REMEDY
Engine will not crank Electrical problem Check and repair electrical system
Defective starter solenoid Replace solenoid
Defective starter
Repair starter
Water in cylinders Check for hydrostatic lock. Remove injectors and turn
engine slowly
Starter motor turns but engine does
not crank
Starter clutch defective Replace
Engine cranks but fails to start Fuel solenoid not energized Check 8D and 8DP and CHF circuits and fuel solenoid
pull-in relay. Check that controller is configured for
the correct engine. Refer to appropriate
Microprocessor Diagnostic Manual.
Fuel solenoid defective or stuck Replace
Fuel injection pump defective Replace pump
Air heater defective Replace
No fuel or wrong fuel Fill with proper fuel
Fuel transfer pump defective Replace transfer pump
Air in fuel system Bleed air
Compression low Overhaul engine
Injection nozzles defective Replace nozzles
Incorrect timing Adjust timing
Air cleaner clogged Replace air filter
Exhaust plugged Clean exhaust
Engine stops after starting
Air in injection pump
Bleed fuel system
Fuel filter obstructed Replace filter element
Vent of fuel tank obstructed Unclog vent
Clogged fuel tank or fuel lines Clean fuel tank and fuel lines
High head pressure Eliminate cause of high head pressure
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