SEAL AS 9X3586 - Caterpillar

Illustration 1 g01323412
(1) Inlet valve (2) Exhaust valveNote: Coat the inlet valve stems and the exhaust valve stems with 8T-2998 Lubricant prior to installation into the cylinder head. (3) 214-0586 Spring Length under test force ... 52.95 mm (2.085 inch) Test force ... 320 31 N (72 7 lb) Free length after test ... 62.7 mm (2.47 inch) Outside diameter ... 34.0 mm (1.34 inch) (4) 224-4441 Spring Length under test force ... 50.47 mm (1.987 inch) Test force ... 160 13 N (36 2.9 lb) Free length after test ... 64.1 mm (2.52 inch) Outside diameter ... 23.24 mm (0.915 inch) (A) Height to the step that is in the valve guide ... 22.00 0.50 mm (0.866 0.020 inch) (B) New valve stem diameter ... 9.441 0.008 mm (0.3717 0.0003 inch)Bore in valve guide after installation of valve guide into cylinder head assembly ... 9.484 0.026 mm (0.3734 0.0010 inch)The valve guide can be reused. The valve guide bore must not be larger than the following value. ... 9.538 mm (0.3755 inch)The valves can be reused if the minimum dimensions for the valve stems are met. Inlet ... 9.408 mm (0.3704 inch) Exhaust ... 9.408 mm (0.3704 inch) (C) Diameter of valve head Inlet valve ... 45.00 0.13 mm (1.772 0.005 inch) Exhaust valve ... 42.00 0.13 mm (1.654 0.005 inch) (D) Angle of face of valve seat insert Inlet valve ... 29.75 0.25 degrees Exhaust valve ... 44.75 0.25 degrees
Illustration 2 g01323455
(E) Depth of the bore in the cylinder head for the valve seat insert Inlet ... 15.00 0.05 mm (0.591 0.002 inch) Exhaust ... 14.10 0.05 mm (0.555 0.002 inch) (F) Angle of valve face Angle of the face of the inlet valve ... 60.75 0.25 degrees Angle of the face of the exhaust valve ... 45.75 0.25 degrees (G) Valve seat insert Diameter of valve seat insert (inlet valve) ... 46.025 0.013 mm (1.8120 0.0005 inch) Bore in cylinder head for valve seat insert (inlet valve) ... 45.961 0.013 mm (1.8095 0.0005 inch) Diameter of valve seat insert (exhaust valve) ... 43.390 0.015 mm (1.7083 0.0006 inch) Bore in cylinder head for valve seat insert (exhaust valve) ... 43.320 0.025 mm (1.7055 0.0010 inch)Note: Shrink the valve seat inserts by reducing the temperature. Shrinking the valve seat inserts allows placement into the counterbore. (H) Minimum thickness of the valve lip Inlet valve ... 2.35 mm (0.093 inch) Exhaust valve ... 2.03 mm (0.080 inch)
Illustration 3 g01323473
(J) Maximum variation of the valve stem length Inlet valve to inlet valve ... 0.66 mm (0.026 inch) Exhaust valve to exhaust valve ... 0.66 mm (0.026 inch)