G3516H and G3520H Generator Set Engines Caterpillar


Camshaft

Usage:

G3520H GFP


Illustration 1g03379965
(1) Left-hand camshaft assembly
(2) Right-hand camshaft assembly


Illustration 2g03379966
382-3701 Camshaft As

Table 1
Specification for 393-0082 Camshaft Gp 
Item  Qty  Part  Specification Description 
Thickness of the groove in the new camshaft assembly for the thrust washer is 8.75 ± 0.05 mm (0.344 ± 0.002 inch)
5B-5821 Dowel  Extension of the dowel is 12.0 ± 0.5 mm (0.47 ± 0.02 inch)
7N-3218 Thrust Washer  Thickness of the new thrust washer is 8.50 ± 0.05 mm (0.335 ± 0.002 inch)
Diameter of bearing journals for a new camshaft is 85.880 ± 0.020 mm (3.3811 ± 0.0008 inch)
16  5P-0076 Bolt  Torque to 55 ± 7 N·m (41 ± 5 lb ft)
4N-1650 Dowel  Extension of the dowel is 22.0 ± 0.5 mm (0.87 ± 0.02 inch)


Illustration 3g03379970

Table 2
Item  Qty  Part  Specification Description 
Use the following procedure in order to determine the camshaft lobe lift: 
1. Measure camshaft lobe height (G).
2. Measure base circle (H).
3. Subtract the base circle (H) from the camshaft lobe height (G). The difference is the actual camshaft lobe lift.
Specified camshaft lobe lift: 
Inlet lobe is 7.1986 mm (0.28341 inch).
Exhaust lobe is 10.0000 mm (0.39370 inch).
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