PUMP GP-GEAR 2049529 - Caterpillar

Illustration 1 g03795018
Table 1
Specification for 439-2812 Cylinder Head Valve Group    
Item    Qty    Part    Specification Description    
1     24     433-7073 Springs     Length under test is
51 mm (2.00 inch) test force is
460 22 N (103 5 lb)..
Length under test is
39 mm (1.54inch), test force is
740 33 N (166 7 lb).
Free length after test is
71.34 mm (2.81 inch).    
2     12     430-6044 Valve Guides (Exhaust)     Bore in the valve guide is
8.023 - 8.038 mm (0.3158 to 0.3164 inch)..    
3     12     435-0217 Exhaust Valves     Face angle is 45.30 degrees.
Stem diameter is
7.970 - 7.985 mm (0.31378 - 0.31437 inch)    
4     12     430-6037 Valve Seats (Exhaust)     Face angle is 45.30 degrees.
Outside diameter is
41.060 - 41.075 mm (1.6165 to 1.6171 inch).
Bore in the cylinder head for the valve seat is
40.985 - 41.020 mm (1.61358 - 1.61496 inch).    
5     12     430-6036 Valve Seats (Inlet)     Face angle is 60.30 degrees.
Outside diameter is
42.060 - 42.075 mm (1.6559 to 1.6564 inch).
Bore in the cylinder head for the valve seat is
41.985 - 42.020 mm (1.653 to 1.654 inch).    
6     12     433-7075 Inlet Valves     Face angle is 60.30 degrees.
Stem diameter is
7.970 - 7.985 mm (0.31378 - 0.31437 inch).    
7     12     430-6043 Valve Guides (Inlet)     Bore in the valve guide is
8.023 - 8.038 mm (0.313 to 0.316 inch).    
            Valve Guide O.D. is
13.012 13.025 mm (0.51228 0.51279 inch)    
            Intake valve recession is
0.5 - 0.8 mm (0.02 - 0.032 inch). Exhaust valve recession is
1.6 1.9 mm (0.063 0.075 inch)