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Is the power of the forklift diesel engine insufficient?

2021-07-23

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——Is the power of the forklift diesel engine insufficient?

An article teaches you how to troubleshoot the causes of diesel engine failures yourself!


Failure Analysis of Diesel Engine Power Insufficiency:
Reason 1: The filter screen of the diesel filter or the oil inlet pipe joint of the oil transfer pump is blocked
Troubleshooting method: clean or replace
Reason 2: Insufficient injector pressure or poor atomization
Troubleshooting method: check and repair the fuel injector or replace the fuel injector assembly
Reason 3: Excessive wear of the precision parts of the fuel injection pump

Troubleshooting method: adjust the oil supply or repair the plunger and even parts, the delivery valve and even parts

Reason 4: The spring of the governor is deformed and slack, and it does not reach the rated speed
Troubleshooting method: adjust the high-speed limit screw and replace the speed-regulating spring
Reason 5: Air enters the fuel system
Troubleshooting method: Exclude the air in the fuel system
Reason 6: Incorrect fuel injection advance angle
Troubleshooting method: adjust according to regulations
Reason 7: The oil supply of each cylinder is uneven
Troubleshooting method: adjust the oil supply of each cylinder
Reason 8: The air filter is not smooth
Troubleshooting method: clean or replace the filter element
Reason 9: air valve leak
Troubleshooting method: Check the valve clearance, valve spring elasticity, valve guide wear and valve sealing, and replace parts if necessary. Grinding valve
Reason 10: insufficient compression pressure
Troubleshooting method: According to the corresponding failure reason and elimination of "Diesel engine can not start" in another article
Reason 11: The timing of the gas distribution is wrong
Troubleshooting method: excessive cam wear, replace camshaft
Reason 12: Injector bolts are loose
Troubleshooting method: replace the copper washer, clean the inner hole of the copper sleeve, and evenly tighten the nut of the fuel injector
Reason 13: Cylinder head bolts are loose
Troubleshooting method: adjust to the specified tightening torque

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