Yuchai YC310LC-8, Operation Manual

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Failures Reasons Solutions
4. Engine
overheating
●
Coolant level is too low
●
Add coolant
●
Failure of the temperature sensor
●
Replace the sensor
●
Blockage of the air filter
●
Clean the air filter
●
Fan belt is loose or faulty
●
Re-tighten or replace
●
Dirt in the cooling system
●
Clean the channel
●
Oil of poor quality or too much
●
Replace the oil
5. Too low oil
pressure
●
Engine oil level is too low
●
Refuel
●
Blockage of the oil filter
●
Clean the oil filter
●
Pipeline leakage
●
Re-tighten or replace
●
Temperature of the engine cooling water
is too high
●
Properly configure coolant mixing ratio,
or consult the agents of the company
6 Motor
discharges the
gray-black
smoke
●
Fuel of poor quality
●
Use the correct fuel
●
Blockage of the air filter
●
Replace the filter element
●
Incorrect injection timing
●
Adjust following the required value
●
Poor atomization of the nozzle
●
Check and replace the parts
7. Motor
discharges the
white smoke
●
Fuel of poor quality
●
Use the correct fuel
●
Too much engine oil
●
Recover the recommended oil level
●
Incorrect injection timing
●
Adjust following the required value
●
Water in the cylinder or in the oil
●
Check and replace the oil
8. Battery cannot
be charged
●
Loose or rusted connection
●
Clean or tighten
●
Alternator belt is loose or defective
●
Tighten or replace
●
Generator cannot be charged
●
Consult the agents of the company
9. Starter does not
work or runs
slowly
●
Loose or rusted connection
●
Clean or tighten
●
Insufficient battery charge
●
Replace
●
Wires damage
●
Consult the agents of the company
10. Running of the
engine with the
with the alarm
indicator on
●
Generator failure
●
Consult the agents of the company
●
Electronic regulator fault
●
Replace
●
Wires failure
●
Check and repair
11. Hydraulic
system parts run
too slowly
●
Hydraulic oil is cold
●
Operate to raise the temperature
●
Too low pressure of the pilot system
●
Consult the agents of the company
●
Use the wrong hydraulic oil
●
Use the correct hydraulic oil
●
Engine speed is too low
●
Consult the agents of the company
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