ADAPTER 5P8874 - Caterpillar

Illustration 1 g03345806
Table 1
Specification for 380-9100 Cylinder Head Gp    
Item     Qty     Part     Specification Description    
1     24     247-9908 Spring     Length under test force is
67.12 mm (2.643 inch).
Test force is
320 25 N (72 6 lb).
Free length after test is
76.70 mm (3.020 inch).    
2     24     211-3122 Spring     Length under test force is
60.14 mm (2.370 inch).
Test force is
150 12 N (34 3 lb).
Free length after test is
71.70 mm (2.823 inch).    
3     12     153-7024 Exhaust Valve     Before assembly, coat the exhaust valve stems with clean engine oil.
Stem diameter (A) is
9.441 0.010 mm (0.37169 0.00039 inch).
Valve head diameter (C) is
41.81 0.13 mm (1.646 0.005 inch).
Face angle is 45.75 0.25 degrees.    
4     12     153-7023 Inlet Valve     Before assembly, coat the inlet valve stems with clean engine oil.
Stem diameter (B) is
9.441 0.010 mm (0.37169 0.00039 inch).
Valve head diameter (D) is
47.00 0.13 mm (1.850 0.005 inch).
Face angle is 60.75 0.25 degrees.    
5     24     376-6566 Valve Guide     Bore of the inlet and exhaust valve guide after installation is
9.502 0.013 mm (0.3740 0.0005 inch).    
6     12     224-3983 Seat Insert     Outside diameter of inlet valve seat insert is
48.025 0.013 mm (1.8907 0.0005 inch).
Bore in the cylinder head is
47.950 0.025 mm (1.8878 0.0009 inch).
Face angle is 30.25 0.25 degrees.    
7     12     226-5561 Valve Seat Insert     Outside diameter of exhaust valve seat insert is
42.840 0.013 mm (1.6866 0.0005 inch).
Bore in the cylinder head is
42.774 0.025 mm (1.6840 0.0010 inch).
Face angle is 45.25 0.25 degrees.