Changzhou ITC Power Equipment Manufacturing Co.,Ltd.
Changzhou ITC Power Equipment Manufacturing Co.,Ltd.
Changzhou ITC Power Equipment Manufacturing Co.,Ltd.
Changzhou ITC Power Equipment Manufacturing Co.,Ltd.
Changzhou ITC Power Equipment Manufacturing Co.,Ltd.
POWER PRODUCTS
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5. TROUBLESHOOTING
5.1 No fuel delivery to injection pump
a. Check there is sufficient fuel in the tank and the fuel valve is in the open position
b. Ensure the governor lever is in the “Run” Position
c. Check that the fuel filter is not clogged.
d. Bleed air from fuel system
5.2 No fuel flow from the drain valve
a. Clean the drain valve
b. Check the governor adjustment
c. Check the injection pump stud. If worn, replace the pump
d. Clogged injector nozzle- test and clean
e. Check torque of injector nut
f. Verify proper injection pressure- adjust or replace injector
5.3 Low engine compression
a. Intake or exhaust valve leaking- adjust valve clearance
b. Valve seats worn- replace
c. Fuel injector not properly torqued- retorque.
d. Fuel injection nozzle gasket leaking
d. Cylinder head gasket leak- check tightening torque. If correct, check gasket for leakage.
e. Lubrication oil issue- check viscosity
f. Piston rings not seated or worn. Also check ring groove.
g. Check inner cylinder diameter.
5.4 Hard starting (fuel delivery and compression normal)
a. Poor fuel quality- check specification.
b. Water in diesel fuel- drain and refill
c. Valve clearance needs adjustment
d. Low injection pressure or timing
d. Poor fuel atomization- check injector