LINK ASSEM. 1624303 - Caterpillar

GUIDELINE FOR REUSABLE PARTS: VALVES AND VALVE SPRINGS, Forms SEBF8002 and SEBF8034 have the procedure and specifications necessary for checking used valves and valve springs.(1) 9N3617 Spring for valves:Length under test force ... 1.655 in.(42.04 mm)Test force ... 50 5 lb.(220 22 N)Use again minimum load at length under test force ... 35 lb.(155 N)Length of spring at valve open position ... 1.167 in.(29.64 mm)Use again minimum load at valve open position ... 154.5 lb.(687 N)Free length after test ... 1.855 in.(47.12 mm)Outside diameter ... 1.440 in.(36.58 mm)Spring must not be bent more than ... .065 in.(1.65 mm)(1) 1W4259 Spring for valves:Length under test force ... 1.802 in.(45.77 mm)Test force ... 48.6 5 lb.(216 22 N)Use again minimum load at length under test force ... 43.6 lb.(194 N)Length of spring at valve open position ... 1.302 in.(33.07 mm)Use again minimum load at valve open position ... 165.2 lb.(735 N)Free length after test ... 2.000 in.(50.80 mm)Outside diameter ... 1.560 in.(39.62 mm)Spring must not be bent more than ... .070 in.(1.79 mm)(2) Distance from the end of the valve to the valve spring spacer seat ... 2.063 .015 in.(52.40 0.38 mm)(3) Diameter of valve stem:9L7682 Intake Valve ... .3725 .0005 in.(9.462 0.013 mm)Use again minimum diameter of the valve system ... .371 in.(9.42 mm)9L7683 Exhaust Valve (tapered stem):Head end of valve stem ... .3705 .0005 in.(9.411 0.013 mm)Use again minimum diameter of the head end of valve stem ... .369 in.(9.37 mm)Lock end of valve stem ... .3715 .0005 in.(9.436 0.013 mm)Use again minimum diameter of the lock end of valve stem ... .3704 in.(9.408 mm)Bore in the valve guides (intake and exhaust) ... .3745 .0005 in.(9.512 0.013 mm)Maximum permissible bore in the valve guides (worn):Measure .75 in. (19.0 mm) deep in valve guide bore from both ends of the valve guide ... .3760 in.(9.550 mm)(4) Angle of valve face:Intake valve ... 30° 15'Exhaust valve ... 45° 15'(5) Diameter of valve head(intake valve) ... 2.094 .005 in.(53.19 0.13 mm)Diameter of valve head (exhaust valve) ... 1.804 .005 in.(45.82 0.13 mm)(6) Thickness of valve lip:Intake valve ... .091 in.(2.31 mm)Use again minimum valve lip thickness ... .070 in.(1.78 mm)Exhaust valve ... .063 in.(1.60 mm)Use again minimum valve lip thickness ... .044 in.(1.12 mm)