1228 / 1588
ENGINE
29
Fig. 9
CRANK SHAFT:
Fig 9
Standard and Repair sizes of crankshaft
Dimensions in mm
Size
Main bearing Crankpin dia.
Width of 2nd main journal
journal dia
‘C’
‘B’
‘A’
Standard
73.00 + 0.01
60 00
+ 0.015
32.00
+ 0.062
- 0.010
- 0.000
Standard – I
72.90 + 0.01
59.90
+ 0.015
32.00
+ 0.062
- 0.010
- 0.000
Repair size – I
72.75 + 0.01
59 75
+ 0.015
32.00
+ 0.062
32.30
+ 0.062
32.50
+ 0.062
- 0.010
- 0.000
- 0.000
- 0.000
Repair size – II
72.50 + 0.01
59.50
+ 0.015
32.00
+ 0.062
32.30
+ 0.062
32.50
+ 0.062
- 0.010
- 0.000
- 0.000
- 0.000
Repair size – III
72.25 + 0.01
59.25
+ 0.015
32.30
+ 0.062
32.50
+ 0.062
- 0.010
- 0.000
- 0.000
Repair size – IV
72.00 + 0.01
59.00
+ 0.015
32.30
+ 0.062
32.50
+ 0.062
- 0.010
- 0.000
- 0.000
Standard and Repair sizes of main bearing
Dimensions in mm
Size
Bearing bore in
Wall thickness of bearing
installed condition
shells ready for installation
Standard
73.06 + 0.01
2.485/2.475
Standard – I
72.96 + 0.01
2.535/2.525
Repair size – I
72.81 + 0.01
2.610/2.600
Repair size – II
72.56 + 0.01
2.735/2.725
Repair size – III
72.31 + 0.01
2.860/2.850
Repair size – IV
72.06 + 0.01
2.985/2.975