C9.3 Engines for Caterpillar Built Machines Caterpillar


Camshaft

Usage:

627H DBW


Illustration 1g02676096

Table 1
Specification for 347-7109 Camshaft As 
Item  Qty  Part  Specification Description 
107-7694 Thrust Plate  Thickness is 4.7 mm (0.19 inch)
Diameter of the camshaft journal is 65.126 ± 0.013 mm (2.5640 ± 0.0005 inch)


Illustration 2g02676097

Table 2
Specification for 347-7109 Camshaft As 
Item  Qty  Part  Specification Description 
Specified camshaft lobe lift for: 
Inlet lobe is 9.37 mm (0.369 inch).
Exhaust lobe is 7.35 mm (0.289 inch).
Use the following procedure in order to determine the actual camshaft lobe lift:
1. Measure camshaft lobe height (B).
2. Measure the base circle (C).
3. Subtract the base circle (C) from the camshaft lobe height (B). The difference is the actual camshaft lobe lift. 
Maximum permissible difference between actual lobe lift and the specified lobe lift of a new camshaft is ± 0.10 mm (0.004 inch)

Caterpillar Information System:

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