WEICHAI WD10 - 3212 Excessive Noise; 3213 Starter Motor Doesnt Work

Service Manual for WD10 Diesel Engine
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9. Severe wear of parts, overhaul needs to
be done
Check working hour of engine, overhaul the engine.
10. Crankshaft and the follower main shaft
are not concentric
Check the installing support, repair.
11. The applied engine oil quality fails to
meet the requirements
Choose specified engine oil brand.
3212 Excessive Noise
1. Inferior fuel
Replace the fuel.
2. Too low cooling water temperature
Check the thermostat and replace it if necessary.
3. Incorrect valve or injection timing
Check and adjust it.
4. Bad atomization
Check and repair.
5. Overmuch fuel pumped by the injection
pump
Check and adjust (should be performed by
professional personnel).
6. Wear of damper
Check connecting bolts for damage and replace
damaged parts.
7. Air leakage of valve or maladjustment
Overhaul the valve and adjust.
8. Excessive gear clearance or gear tooth
breakage
Check and replace damaged parts.
9. Wear of piston or cylinder sleeve, or
scuffing of cylinder bore
Overhaul piston and cylinder sleeve, repair or
replace.
10. Bended or fractured pushrod
Replace.
11. Breakage or wear of piston ring
Check or replace the damaged parts.
3213 Starter Motor Doesn’t Work
1. Undercharged battery
Check, recharge or replace the battery.
2. Bad contact
Clear up the circuit and tighten all terminals.
3. Fuse blow
Replace the fuse.
4. Bad contact of electric brush
Clean the brush or replace it.
5. Short circuit in starter motor
Overhaul the motor or replace it.