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SC213 Diesel Engines
INSPECTION
1. Check each piston for scuffing, scoring, wear and
other defects. Replace any piston that is defective.
2. Check each piston rings for breakage, damage and
abnormal wear. Replace the defective rings. If piston
to be replaced, replace piston with ring assembly.
3. Check that the piston pin fits in the piston pin hole.
The piston pin must be smoothly pushed easily into
the piston hole.
4. Measure the piston ring side clearance.
Piston Ring Width (Standard)
Top and 2nd ring width (Fig.M.6)
0.097 / 0.098 inch (2.47 / 2.49 mm)
3rd ring width
0.117 / 0.118 inch (2.97 / 2.99 mm)
Ring clearance in Piston Groove :(Std)
Top ring: 0.004 / 0.0055 inch ( 0.10 / 0.14 mm)
2nd ring: 0.002 / 0.0035 inch (0.05 / 0.09 mm)
3rd ring: 0.0015 / 0.003 inch (0.04 / 0.08 mm)
Fig: M.5
Fig: M.6
Fig: M.7
Fig: M.8
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