|
Item
|
Measurement
|
Qualification
|
Standard or New
|
Service Limit
|
|---|---|---|---|---|
|
Piston ring
|
Ring-to-groove clearance
|
Top
|
0.07−0.11 mm (0.003−0.004 in.)
|
0.12 mm (0.005 in.)
|
|
Second
|
0.04−0.08 mm (0.002−0.003 in.)
|
0.10 mm (0.004 in.)
|
||
|
Oil
|
0.02−0.06 mm (0.001−0.002 in.)
|
0.08 mm (0.003 in.)
|
||
|
Ring end gap
|
Top
|
0.15−0.25 mm (0.006−0.010 in.)
|
0.47 mm (0.019 in.)
|
|
|
Second
|
0.50−0.65 mm (0.020−0.026 in.)
|
0.87 mm (0.034 in.)
|
||
|
Oil
|
0.20−0.40 mm (0.008−0.016 in.)
|
0.62 mm (0.024 in.)
|