Service Data and Specifications (S.D.S.) - Inspection and Adjustment (Cont'd)
EM-272spec tablePage header tab reads "E". Type 1 / Type 2 piston ring gaps refer to page EM-90.
Inspection and Adjustment (Cont'd)
PISTON RING AND PISTON PIN
Piston
Piston
Piston skirt diameter "A" - Standard
Unit: mm (in)72.967 - 73.017 (2.8727 - 2.8747)
Piston skirt diameter "A" - Oversize for service - 0.25 (0.0098)
Unit: mm (in)73.217 - 73.287 (2.8826 - 2.8853)
Piston skirt diameter "A" - Oversize for service - 0.5 (0.020)
Unit: mm (in)73.467 - 73.517 (2.8924 - 2.8944)
"a" dimension
Unit: mm (in)10.6 (0.417)
Piston pin hole diameter
Unit: mm (in)17.452 - 17.459 (0.6871 - 0.6874)
Piston clearance to cylinder block
Unit: mm (in)0.023 - 0.043 (0.0009 - 0.0017)
Piston ring
Piston ring
Side clearance - Top
Standard0.040 - 0.073 (0.0016 - 0.0029)
Limit0.2 (0.008)
Side clearance - 2nd
Standard0.030 - 0.063 (0.0012 - 0.0025)
Limit
Ring gap - Top - Type 1
Standard0.14 - 0.26 (0.0055 - 0.0102)
Limit1.0 (0.039)
Ring gap - Top - Type 2
Standard0.20 - 0.30 (0.0079 - 0.0118)
Limit
Ring gap - 2nd - Type 1
Standard0.28 - 0.37 (0.0110 - 0.0146)
Limit
Ring gap - 2nd - Type 2
Standard0.15 - 0.25 (0.0059 - 0.0098)
Limit
Ring gap - Oil (rail ring)
Standard0.20 - 0.60 (0.0079 - 0.0236)
Limit
NOTE
Type 1, Type 2: Refer to page EM-90.
Piston pin
Piston pin
Piston pin outer diameter
Unit: mm (in)17.445 - 17.450 (0.6868 - 0.6870)
Piston pin to piston clearance
Unit: mm (in)0.006 - 0.010 (0.0002 - 0.0004)
Interference fit of piston pin to connecting rod
Unit: mm (in)0.017 - 0.038 (0.0007 - 0.0015)
CONNECTING ROD
Connecting rod
Center distance
Unit: mm (in)131.5 (5.1772)
Bend, torsion [per 100 (3.94)] - Limit
Unit: mm (in)0.05 (0.0020)
Piston pin bore dia.
Unit: mm (in)17.412 - 17.428 (0.6855 - 0.6861)
Big end play - Standard
Unit: mm (in)0.1 - 0.37 (0.0039 - 0.0146)
Big end play - Limit
Unit: mm (in)0.5 (0.020)