Technical data and maintenance Driving shaft
Driving shaft
Unit: mm
[1370]
[1598]
[1747]
Diameter of main journal "a"
Class A - Red
52.994 ÷ 53.000
Class B - Blue
52.988 ÷ 52.994
Class C - Yellow
52.982 ÷ 52.988
Undersize by 0.127
Diameter of rod pins "b"
Class A - Red
40.884 ÷ 40.890
48.238 ÷ 48.244
50.799 ÷ 50.805
Class B - Blue
40.878 ÷ 40.884
48.232 ÷ 48.238
50.793 ÷ 50.799
Class C - Yellow
40.872 ÷ 40.878
48.226 ÷ 48.232
50.787 ÷ 50.793
Undersize by 0.127
Length of middle main journal "c"
26.575 ÷ 26.625
Maximum taper of main journals and rod pins
0.0045
Maximum concentricity error between main journals and rod pins
0.03
Half bearings
Unit: mm
[1598]
[1370]
[1747]
Thickness of lateral half bearings "a"
Class A - Red
1.836 ÷ 1.840
1.831 ÷ 1.837
Class B - Blue
1.839 ÷ 1.843
1.836 ÷ 1.844
Class C - Yellow
1.842 ÷ 1.846
1.843 ÷ 1.849
Undersize by 0.127
Thickness of central half bearings "a"
Class A - Red
1.831 ÷ 1.835
1.826 ÷ 1.832
Class B - Blue
1.834 ÷ 1.838
1.831 ÷ 1.839
Class C - Yellow
1.837 ÷ 1.841
1.838 ÷ 1.844
Undersize by 0.127
Clearance between pins and half bearings
Lateral
0.025 ÷ 0.052
0.019 ÷ 0.062
Central
0.035 ÷ 0.062
0.029 ÷ 0.072
Thrust half rings
Unit: mm
Thickness of thrust half rings "a"
2.342 ÷ 2.358
End play of the driving shaft
0.059 ÷ 0.221
02 Maintenance
