DRIVE GP-FAN 7C0044 - Caterpillar

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Illustration 1 g03125936
Table 1
Specification for 141-1207 Cylinder Head Gp    
Item     Qty     Part     Specification Description    
1     8     122-0321 Exhaust Valve     Before assembly, coat the exhaust valve stems with clean engine oil.
Stem diameter (B) is
9.441 0.010 mm (0.3717 0.0004 inch).
Valve head diameter (D) is
41.81 0.13 mm (1.646 0.005 inch).
Face angle is 45.75 0.25 degrees.    
2     8     122-0322 Inlet Valve     Before assembly, coat the inlet valve stems with clean engine oil.
Stem diameter (C) is
9.441 0.010 mm (0.3717 0.0004 inch).
Valve head diameter (E) is
44.98 0.13 mm (1.771 0.005 inch).
Face angle is 60.75 0.25 degrees.    
3     16     4N-5906 Spring     Length under test force is
54.99 mm (2.165 inch).
Test force is
344 34 N (77 8 lb).
Free length after test is
62.74 mm (2.470 inch).    
A     -     -     Height from top of the cylinder head to top of the valve guide is
32.26 0.76 mm (1.270 0.030 inch).    
4     16     173-7188 Valve Guide     After assembly, bore of the valve guide is
9.487 0.020 mm (0.3735 0.0008 inch).    
5     8     1W-5283 Valve Seat Insert     Depth for valve seat inserts in the cylinder head is
15.7 0.5 mm (0.62 0.02 inch).
Diameter of exhaust valve seat insert is
42.850 0.013 mm (1.6870 0.0005 inch).
Bore in the cylinder head for valve seat insert is
42.774 0.025 mm (1.6840 0.0010 inch).
Face angle is 45 1 degrees.    
6     8     4N-5893 Valve Seat Insert     Depth for valve seat inserts in the cylinder head is
15.7 0.5 mm (0.62 0.02 inch).
Diameter of inlet valve seat insert is
46.025 0.013 mm (1.8120 0.0005 inch).
Bore in the cylinder head for valve seat insert is
45.949 0.025 mm (1.8090 0.0010 inch).
Face angle is 30 1 degrees.