EPC Parts Catalogs

3500B Engines for Caterpillar Built Power Modules Camshaft Caterpillar


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Camshaft
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3500B Engines for Caterpillar Built Power Modules [RENR4927]
3500B Engines for Caterpillar Built Power Modules Valve Mechanism
3500B Engines for Caterpillar Built Power Modules Crankshaft Wear Sleeves and Seals
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Illustration 1g03327351
(1) Left-hand camshaft assembly
(2) Right-hand camshaft assembly

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Table 1
Specification for 106-4582 Camshaft Gp and 332-7923 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). 
B  2  5B-5821 Dowel  Extension of the dowel is 12.0 ± 0.5 mm (0.47 ± 0.02 inch). 
C  2  7N-3218 Thrust Washer  Thickness of a new thrust washer is 8.50 ± 0.05 mm (0.335 ± 0.002 inch). 
D  -  -  Diameter of bearing journals for a new camshaft is 91.88 ± 0.02 mm (3.617 ± 0.001 inch). 
Bore in camshaft bearing after installation is 92.00 ± 0.06 mm (3.622 ± 0.002 inch).
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Illustration 2g03327356

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Table 2
Item  Qty  Part  Specification Description 
-  -  -  Use the following procedure in order to determine the camshaft lobe lift: 
1. Measure camshaft lobe height (F).
2. Measure base circle (G).
3. Subtract the base circle (G) from the camshaft lobe height (F). The difference is the actual camshaft lobe lift.
E  -  -  Specified camshaft lobe lift: 
Inlet lobe is 12.7500 mm (0.50197 inch).
Injector lobe is 13.7313 mm (0.54060 inch).
Exhaust lobe is 13.2499 mm (0.52165 inch).

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