WEICHAI WP10 Series - Page 42

Operation and Maintenance Manual and User Service Guide for Industrial Power WP10 Series Diesel Engine
42
6.8 Diesel engine overheats
S/N
Cause
Troubleshooting
1
Coolant is insufficient.
Refer to the section 6.6 in this
chapter.
2
Inlet temperature of coolant is very high.
Decrease the coolant inlet
temperature.
3
Oil pressure is too low.
Refer to the section 6.7 in this
chapter.
4
Diesel engine is overloaded.
Reduce load and find out the
cause.
5
Fuel injection delays.
Check and adjust it.
6
Piston rings leak.
Check or replace it.
7
Matching of bearings too tight.
Inspection and grind them.
8
Ambient temperature is too high.
Correct the power and reduce
the load.