![background image](http://html1.mh-extra.com/html/yuchai/yc20sr/yc20sr_operation-manual_3666187089.webp)
80
4)
The engine cooling water temperature is too high - Correctly prepare the coolant
mixture ratio or contact the local after-sales service
Grey and black smoke from the engine
1)
Poor fuel quality - Use the correct fuel
2)
Clogged air filter - Replace filter element
3)
Injection timing is not correct -Adjust according to the specified value
4)
Nozzle atomization is poor -Check, change parts
White smoke from the engine
1)
Poor fuel quality -Use the correct fuel
2)
Excessive engine oil -Restore the recommended oil level
3)
Injection timing is not correct -Adjust according to the specified value
4)
There is water in the cylinder and fuel -Check and change fuel
Battery can not be charged
1)
loose connection or rust - clean or tighten
2)
Generator belt is loose or defective -Tighten or replace
3)
Generator does not charge -Consult after-sales service
4)
Electrolyte of the battery is not working -Replace
5)
The battery electrode plate is not working -Replacement
Starter motor does not work or slow rotation
1)
loose connection or rust - clean or tighten
2)
Insufficient battery charge -Replacement
3)
Wiring damage -Consult after-sales service