Service Data and Specifications (S.D.S.) - Inspection and Adjustment (Cont'd) (Cylinder block / Piston, piston ring and piston pin)

EM-265spec table

Inspection and Adjustment (Cont'd)

CYLINDER BLOCK

Cylinder block (Unit: mm (in))

Item	Value
Surface flatness - Standard	Less than 0.03 (0.0012)
Surface flatness - Limit	0.10 (0.0039)
Cylinder bore Inner diameter Standard - Grade No. 1	86.000 - 86.010 (3.3858 - 3.3862)
Cylinder bore Inner diameter Standard - Grade No. 2	86.010 - 86.020 (3.3862 - 3.3866)
Cylinder bore Inner diameter Standard - Grade No. 3	86.020 - 86.030 (3.3866 - 3.3870)
Cylinder bore Inner diameter - Wear limit	0.20 (0.0079)
Cylinder bore Out-of-round (X − Y)	Less than 0.015 (0.0006)
Cylinder bore Taper (A − B − C)	Less than 0.010 (0.0004)
Difference in inner diameter between cylinders - Limit	Less than 0.05 (0.0020)
Main journal inner diameter - Grade No. 0	58.944 - 58.950 (2.3206 - 2.3209)
Main journal inner diameter - Grade No. 1	58.950 - 58.956 (2.3209 - 2.3211)
Main journal inner diameter - Grade No. 2	58.956 - 58.962 (2.3211 - 2.3213)
Main journal inner diameter - Grade No. 3	58.962 - 58.968 (2.3213 - 2.3216)

Surface flatness - Standard

ValueLess than 0.03 (0.0012)

Surface flatness - Limit

Value0.10 (0.0039)

Cylinder bore Inner diameter Standard - Grade No. 1

Value86.000 - 86.010 (3.3858 - 3.3862)

Cylinder bore Inner diameter Standard - Grade No. 2

Value86.010 - 86.020 (3.3862 - 3.3866)

Cylinder bore Inner diameter Standard - Grade No. 3

Value86.020 - 86.030 (3.3866 - 3.3870)

Cylinder bore Inner diameter - Wear limit

Value0.20 (0.0079)

Cylinder bore Out-of-round (X − Y)

ValueLess than 0.015 (0.0006)

Cylinder bore Taper (A − B − C)

ValueLess than 0.010 (0.0004)

Difference in inner diameter between cylinders - Limit

ValueLess than 0.05 (0.0020)

Main journal inner diameter - Grade No. 0

Value58.944 - 58.950 (2.3206 - 2.3209)

Main journal inner diameter - Grade No. 1

Value58.950 - 58.956 (2.3209 - 2.3211)

Main journal inner diameter - Grade No. 2

Value58.956 - 58.962 (2.3211 - 2.3213)

Main journal inner diameter - Grade No. 3

Value58.962 - 58.968 (2.3213 - 2.3216)

PISTON, PISTON RING AND PISTON PIN - Available piston

Available piston (Unit: mm (in))

Item	Value
Piston skirt diameter "A" Standard - Grade No. 1	85.980 - 85.990 (3.3850 - 3.3854)
Piston skirt diameter "A" Standard - Grade No. 2	85.990 - 86.000 (3.3854 - 3.3858)
Piston skirt diameter "A" Standard - Grade No. 3	86.000 - 86.010 (3.3858 - 3.3862)
Piston skirt diameter "A" - 0.20 (0.0079) oversize (Service)	86.180 - 86.210 (3.3929 - 3.3941)
"a" dimension	14.0 (0.551)
Piston clearance to cylinder block	0.010 - 0.030 (0.0004 - 0.0012)
Piston pin hole diameter	21.987 - 21.999 (0.8656 - 0.8661)

Piston skirt diameter "A" Standard - Grade No. 1

Value85.980 - 85.990 (3.3850 - 3.3854)

Piston skirt diameter "A" Standard - Grade No. 2

Value85.990 - 86.000 (3.3854 - 3.3858)

Piston skirt diameter "A" Standard - Grade No. 3

Value86.000 - 86.010 (3.3858 - 3.3862)

Piston skirt diameter "A" - 0.20 (0.0079) oversize (Service)

Value86.180 - 86.210 (3.3929 - 3.3941)

"a" dimension

Value14.0 (0.551)

Piston clearance to cylinder block

Value0.010 - 0.030 (0.0004 - 0.0012)

Piston pin hole diameter

Value21.987 - 21.999 (0.8656 - 0.8661)

Support our work!