Ingersoll-Rand 3IRH2N, Workshop Manual

Page: 110 / 159

110
Piston ring dimension mm
Model Part Item Standard Limit
Ring groove width 2.065 2.080 -
Ring width 1.970 1.990 1.950
Side clearance 0.075 0.110 -
Top ring
End clearance 0.200 0.400 0.490
Ring groove width 2.035 2.050 2.150
Ring width 1.970 1.990 1.950
Side clearance 0.045 0.080 0.200
Second ring
End clearance 0.200 0.400 0.490
Ring groove width 4.015 4.030 4.130
Ring width 3.970 3.990 3.950
Side clearance 0.025 0.060 0.180
3IRH2N
Oil ring
End clearance 0.200 0.400 0.490
Ring groove width 2.060 2.075 -
Ring width 1.970 1.990 1.950
Side clearance 0.070 0.105 -
Top ring
End clearance 0.200 0.400 0.490
Ring groove width 2.025 2.040 2.140
Ring width 1.970 1.990 1.950
Side clearance 0.035 0.070 0.190
Second ring
End clearance 0.200 0.400 0.490
Ring groove width 4.015 4.030 4.130
Ring width 3.970 3.990 3.950
Side clearance 0.025 0.060 0.180
3/4IRH8N
Oil ring
End clearance 0.200 0.400 0.490
Ring groove width 2.040 2.060 -
Ring width 1.940 1.960 1.920
Side clearance 0.080 0.120 -
Top ring
End clearance 0.250 0.450 0.540
Ring groove width 2.080 2.095 2.195
Ring width 1.970 1.990 1.950
Side clearance 0.090 0.125 0.245
Second ring
End clearance 0.450 0.650 0.730
Ring groove width 3.015 3.030 3.130
Ring width 2.970 2.990 2.950
Side clearance 0.025 0.060 0.180
4IRI8N
Oil ring
End clearance 0.250 0.450 0.550