BOSS 9R2160 - Caterpillar

Illustration 1 g03124339
(1) Left-hand camshaft assembly
(2) Right-hand camshaft assembly
Table 1
Specification for 4P-8352 Camshaft Gp
Item Qty Part Specification Description
A - - Thickness of the groove in a new camshaft assembly is 8.75 0.05 mm (0.344 0.002 inch).
C 1 5B-5821 Dowel Extension of the dowel is 12.0 0.5 mm (0.47 0.02 inch).
D 2 4N-1650 Dowel Extension of the dowel is 22.0 0.5 mm (0.87 0.02 inch).
E 2 7N-3218 Thrust Washer Thickness of a new thrust washer is 8.50 0.05 mm (0.335 0.002 inch).
F - - Diameter of bearing journals in a new journal camshaft assembly is 85.88 0.02 mm (3.381 0.001 inch).
Bore in camshaft bearing after installation is 86.00 0.06 mm (3.386 0.002 inch).
- - - End play for a new camshaft assembly is 0.15 to 0.35 mm (0.006 to 0.014 inch).
3 16 5P-0076 Bolt Torque to 55 7 N m (41 5 lb ft).
Illustration 2 g03125836
Table 2
Item Qty Part Specification Description
- - - Use the following procedure in order to determine the camshaft lobe lift:
1. Measure camshaft lobe height (H).
2. Measure base circle (J).
3. Subtract the base circle (J) from the camshaft lobe height (H). The difference is the actual camshaft lobe lift.
G - - Specified camshaft lobe lift:
Inlet lobe is 9.201 mm (0.3622 inch).
Exhaust lobe is 8.699 mm (0.3425 inch).