C11 and C13 Engines Caterpillar

Camshaft

Usage:

730C2 2L7

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Illustration 1	g03369757

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Table 1
Specification for 355-1288 Camshaft Gp
Item	Qty	Part	Specification Description
1	4	8T-0338 Bolt	Torque to 35 ± 8 N·m (26 ± 6 lb ft).

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Illustration 2	g03369759
344-9038 Camshaft

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Table 2
Item	Qty	Part	Specification Description
B	-	-	Diameter of camshaft bearing journal is 77.850 ± 0.025 mm (3.0650 ± 0.0010 inch).
2	-	-	Maximum exhaust lobe lift at zero degrees is 9.41655 mm (0.37073 inch).
3	-	-	Maximum injector lobe lift at zero degrees is 12.70343 mm (0.50013 inch).
4	-	-	Maximum inlet lobe lift at zero degrees is 12.60667 mm (0.49632 inch).
-	-	-	Use the following procedure to find the actual lobe lift (C): 1. Measure the camshaft lobe height (D).
-	-	-	2. Measure the base circle (E).
-	-	-	3. Subtract the base circle measurement in step 2 from the camshaft lobe height in step 1. The difference is the actual lobe lift.
-	-	-	The maximum permissible difference between the actual lobe lift in step 3 and the specified camshaft lobe lift of a new camshaft is ± 0.10 mm (± 0.0034 inch).

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