CUMMINS B3.3 - Cylinder Block

Diesel Engine Specifications
102
Rocker Arm Shaft, Push Rod and Tappets
Ref Inspection Item Standard Remarks
VALVE ROCKER ARM SHAFT
Diameter of Shaft
19 mm
[0.75 in]
Tolerance:
-0.020 mm
[-0.0008 in]
Diameter of Rocker Arm Shaft Hole
Nominal:
19 mm
[0.75 in]
Tolerance:
0.030 mm
[0.0012 in]
0.010 mm
[0.0004 in]
Clearance Between Rocker Arm and Shaft
0.010 to 0.050 mm
[0.0004 to 0.0020 in]
Clearance Limit:
0.12 mm
[0.0047 in]
1
Bend of Shaft —
Repair Limit:
0.20 mm
[0.0079 in]
PUSH ROD
2 Bend of Push Rod —
Repair Limit:
0.30 mm
[0.012 in]
TAPPET
3 Clearance Between Tappet and Tappet Hole
0.012 to 0.048 mm
[0.0005 to 0.0020 in]
Clearance Limit:
0.12 mm
[0.0047 in]
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