S-56
05-E2B, 05-E2BG, WSM
DIESEL ENGINE
Piston Ring Gap (To be continued)
1. Insert the piston ring into the lower part of the cylinder (the least
worn out part) with a piston.
2. Measure the ring gap with a thickness gauge.
3. If the measurement exceeds the allowable limit, replace the
piston ring.
W10310120
Piston ring gap
[D905-E2B]
Top ring
Factory
spec.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
Allowable
limit
1.25 mm
0.0492 in.
Second ring
Factory
spec.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
Allowable
limit
1.25 mm
0.0492 in.
Oil ring
Factory
spec.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
Allowable
limit
1.25 mm
0.0492 in.
Piston ring gap
[D1005-E2B]
[V1305-E2B]
[D1105-E2B]
[V1505-E2B]
Top ring
Factory
spec.
0.30 to 0.45 mm
0.0118 to 0.0177 in.
Allowable
limit
1.25 mm
0.0492 in.
Second ring
Factory
spec.
0.30 to 0.45 mm
0.0118 to 0.0177 in.
Allowable
limit
1.25 mm
0.0492 in.
Oil ring
Factory
spec.
0.25 to 0.40 mm
0.0098 to 0.0157 in.
Allowable
limit
1.25 mm
0.0492 in.
Piston ring gap
[D1105-T-E2B]
[V1505-T-E2B]
Top ring
Factory
spec.
0.20 to 0.35 mm
0.0079 to 0.0138 in.
Allowable
limit
1.20 mm
0.0472 in.
Second ring
Factory
spec.
0.40 to 0.55 mm
0.0157 to 0.0217 in.
Allowable
limit
1.20 mm
0.0472 in.
Oil ring
Factory
spec.
0.30 to 0.55 mm
0.0118 to 0.0217 in.
Allowable
limit
1.25 mm
0.0492 in.
KiSC issued 06, 2011 A