WEICHAI WP13C450-18, Руководство по эксплуатации и обслуживанию

Страница: 23 / 25

Operation and Maintenance Manual of WP13C Series Diesel Engines
Weichai Power Pursuit of Excellence
- 18 -
8 Oil cooler blocked Inspect and clean
9 Main oil passage blocked Inspect and wash
10 Large gap between bushings or the bushing is damaged Inspect and replace
11 Parts are greatly worn and require major repairing Inspect the engine working hours, then repair it
10. High cooling water temperature
Reason How to remove
1 Low level of water tank Inspect if there is any leakage; if so, add water
2 Water tank radiator (intercooler) blocked Clean or repair
3 Loose water pump belt Adjust the tension as specified
4 Pump washer damaged or the impeller is worn Inspect and repair or replace
5 Thermostat error Replace
6 Air comes into damaged pipe
Inspect the pipe, joint, gasket, and replace the
damaged parts
7 Oil pan low level or insufficient oil Inspect the oil level and leakage; repair and add oil
11. Fast wearing of parts
Reason How to remove
1 Air filter element damaged Examine and replace the element
2 Air intake system shorted
Inspect the air intake pipe, gasket and repair or replace the
damaged parts
3 Oil pan low level or insufficient oil
Inspect the oil level and if there is any leakage; if so, add oil
4 Oil brand and grade are unqualified Replace by specified oil grade and brand
5 Oil channel blocked Clean the channel
6 Piston ring broken or worn Replace the damaged part
7 Element of oil filter is not changed in time Replace the element as required
8 Cylinder liner or piston are worn or scratch the cylinder
Disassemble to check the piston and liner, repair or change
it
9 Crankshaft and the driven part are not concentric Inspect the mounting bracket and repair
10 Parts are greatly worn and require major repair Inspect for engine working hours and repair
12. Too much noise
Reason How to remove
1 Poor fuel quality Change the fuel
2 Low cooling water temperature Inspect the thermostat and replace it in necessary
3 Wrong timing for air distribution and fuel supply Inspect, repair, adjust
4 Poor atomization of injector Inspect, repair and adjust
5 Large injecting amount by the injector Inspect and adjust (by special workshop)
6 Shock absorber damaged Inspect and repair
7 Valve leaks or improper adjustment Inspect the valve and adjust
8 Too large gap between gears or the teeth are broken Inspect and replace the damaged parts
9 The liner or piston are worn or scratch the cylinder Inspect and repair or replace