Replace
.
Adjust
6. Oil consumption excessive
7. Engine knocking
Inspect air cleanerInspect oil leakage
Inspect combustin of fuel & oil
(carbon residue of exhaust gas)
Oil leakage
Check compressed pressure
Engine disassembly
(piston, cylinder liner)
Disassemble cylinder head
(valve stem seal)
Check oil quality
Clean
.
Replace
ConfirmUnconfirmed
Inspect compressed pressure Disassemble eingine
Case according to use conditions
1. Excessive oil infusing
2. Continuous operation in low speed
or extremely cold state
Normal
Normal
Replace with specified oil
Inspect high pressure pump
Check fuel quality
Check valve clearance and
cylinder head gasket crush
External Internal
Normal Too low
Replace
.
Adjust
Normal Adjust
Use specified fuel
Disassemble engine
Normal
Retighten
.
Replace
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