CUTTING EDGE 8D2786 - Caterpillar

Valve timing (when valve is off seat) ... .075 in.1,905 mmExhaust opening (before bottom center) ... 18° 24'18° 24'Exhaust closing (before top center) ... 2° 55'2° 55'Inlet opening (after top center) ... 1° 14'1° 14'Inlet closing (after bottom center) ... 13° 34'13° 34'1 Spring-valve ... 2S42132S4213 Length-test force applied ... 1.95 in.49,53 mmTest force ... 55.0 3.5 lbs.24,95 1,59 kgFree length after test ... 2.31 in.58,67 mmOutside diameter ... 1.476 in.37,48 mm2 Diameter-stem ... .3720 .0005 in.9,449 0,013 mm Clearance-in guide ... .0031 .0012 in.0,078 0,030 mmMaximum permissible clearance ... .009 in.0,228 mm3 Thickness-inlet valve lip (minimum) ... .0716 in.1,819 mm Thickness-exhaust valve lip (minimum) ... .0720 in.1,829 mm4 Valve face angle ... 441/4°441/4°5 Diameter-inlet valve head ... 1.771 .005 in.44,98 0,127 mm Diameter-exhaust valve head ... 1.646 .005 in.41,808 0,127 mm