Failure Diagnosis; Cylinder Block - KEEWAY FACT 50 4T Maintenance Manual

13.2 Failure diagnosis

Low compression pressure
Abrasive, burnt or ruptured piston
Abrasive or damaged cylinder or piston
Damaged spacer or crankcase leakage
Over-high compression pressure
Too much carbon deposit in the combustion chamber Damaged cylinder, piston or piston ring

13.3 Cylinder block

13.3.1 Disassembly of the cylinder block
Remove the cylinder cover and then the cylinder block.
Cylinder block check
13.3.2
Check the abrasion of the inner wall of the cylinder.
If it is serious, replace it.
Check the flatness of the cylinder block.
Limit for use: 0.03
White smoke from the exhaust pipe
Abrasive or damaged piston ring
Abrasive or damaged cylinder or piston
Abnormal noise of the piston
Abrasive piston pin hole and piston pin
Cylinder block
Ruler
129
Cylinder block
测试规
Gauge