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42hW-201601
CHAPTER 2 ENGINE 3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
TROUBLE CAUSE REPAIRING
Engine knocking
1) Mismatch the injection timing. Correction
2) Injection pressure failure Correction
3) Failure of the injection function. Disassembly& Correction
4) Shortage of the intake air Clean the air cleaner
5) Lubricating oil enter into the
combustion chamber.
- Oil up
- Oil down
- Oil viscosity is low.
- Correction
- Correction
- Replace the appropriate oil.
6) Engine temperature is low. Warm-up.
Smoke excessive
White exhaust smoke
1) Injection timing is late. Correction
2) Compression pressure is low. Correction
3) Water inhalation in fuel. Replace
4) Air intake quantity shortage Correction
5) Lubricating oil enter into the combustion
chamber.
Correction
Black exhaust smoke
1) Injection timing is too late. Correction
2) Becoming overload. Correct the appropriate load.
3) Injection quantity is too many. Injection limit spring failure.
4) Injection unevenness Correction
5) Spray failure of the injection valve. Correction or replace
6) Intake air shortage Clean the Air-cleaner
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