KIT- 4797631 - Caterpillar

Illustration 1 g06060221
Table 1
Specification for 508-7703 Cylinder Head Gp
Item Qty Part Specification Description
1 4 450-0908 Spring Length under test force is 60.29 mm (2.374 inch).
Test force is 510 26 N (115 6 lb).
Free length after test is 76.15 mm (2.998 inch).
2 4 450-0909 Spring Length under test force is 57.5 mm (2.26 inch).
Test force is 275.0 13.8 N (61.8 3.1 lb).
Free length after test is 72.1 mm (2.84 inch).
3 2 449-7115 Valve Stem Seal Install the valve stem seal to the inlet valves.
4 2 449-7116 Valve Stem Seal Install the valve stem seal to the exhaust valves.
A - - Height from the top of the cylinder head to the top of the valve guides is 26.0 1.0 mm (1.02 0.04 inch).
5 2 449-7118 Valve Guide Bore of the exhaust valve guide after installation is 12.619 0.025 mm (0.4968 0.0010 inch).
6 2 449-7117 Valve Guide Bore of the inlet valve guide after installation is 11.042 0.025 mm (0.4347 0.0010 inch).
7 2 498-1593 Exhaust Valve Before assembly, coat the exhaust valve stems with clean engine oil.
Stem diameter (B) is 12.573 0.010 mm (0.4950 0.0004 inch).
Valve diameter (D) is 56.00 0.15 mm (2.205 0.006 inch).
Face angle is 45.60 0.25 degrees.
8 2 449-7120 Inlet Valve Before assembly, coat the inlet valve stems with clean engine oil.
Stem diameter (C) is 11.000 0.010 mm (0.4331 0.0004 inch).
Valve diameter (E) is 56.00 0.15 mm (2.205 0.006 inch).
Face angle is 19.40 0.25 degrees.
9 2 456-0411 Valve Seat Diameter of exhaust valve seat insert is 60.119 0.015 mm (2.3669 0.0006 inch).
Bore in the cylinder head is 60.000 0.025 mm (2.3622 0.0010 inch).
Face angle is 45.00 0.25 degrees.
10 2 475-6595 Valve Seat Diameter of inlet valve seat insert is 60.627 0.015 mm (2.3869 0.0006 inch).
Bore in the cylinder head is 60.508 0.025 mm (2.3822 0.0010 inch).
Face angle is 20.00 0.25 degrees.