Oil Consumption Excessive - Daewoo DE12T Manual

Normal
Check oil quality
Replace with
specified oil
Unconfirmed
Inspect compressed
pressure
Normal
Inspect injection
pump
Normal
Check fuel quality
Use specified fuel
TECHNICAL INFORMATION

6. Oil Consumption Excessive

Inspect oil leakage
7. Engine Knocking
Inspect combustion of fuel & oil
(carbon residue of exhaust gas)
Check valve clearance and
cylinderhead gasket for damage
Normal
Adjust
Disassemble
engine
Cause according to use conditions
1. Excessive oil infusing
2. Continuous operation in low speed
or extremely cold state
Oil leakage
External
Retighten
Replace
Engine disassembly
(piston, cylinder liner)
Too low
Replace
Adjust
- 42 -
Inspect air cleaner
Clean Replace
Internal
Check compressed
pressure
Normal
Disassemble
cylinder head
(valve stem seal)
Confirm
Disassemble
engine