CUMMINS B3.3 - Camshaft and Camshaft Bushing

Diesel Engine Specifications
103
Cylinder Head
Ref Inspection Item Standard Remarks
CYLINDER HEAD
1 Surface Flatness (Warpage Limit)
0.00 to 0.05 mm
[0.00 to 0.002 in]
Repair Limit:
0.30 mm
[0.012 in]
Intake
1.00 ±0.100 mm
[0.039 ±0.004 in]
Repair Limit:
2.00 mm
[0.079 in]
2 Valve Seat
Exhaust
0.90 ±0.100 mm
[0.035 ±0.004 in]
Repair Limit:
1.90 mm
[0.075 in]
3 Nozzle (Protrusion)
3.12 ±0.28 mm
[0.123 ±0.011 in]
Tolerance:
2.700 to 3.500 mm
[0.106 to 0.138 in]
4 Valve Seat Angle 45°
Tolerance:
±0°15'
Repair Limit: Judge
condition of contact
surface by vacuum test.
18900011