BELT TENSIONER 4P3633 - Caterpillar

Firing order (injection sequence) ... 1,2,7,3,4,5,6,8Injection timing before TC (top center) ... 16°Torque for the nuts that hold the fuel lines (Use 5P144 Fuel Line Socket) ... 30 5 lb.ft.(40 7 N m)(1) Bore in the rear bearing for the camshaft (new) ... 2.3750 .0005 in.(60.325 0.013 mm) Diameter of rear bearing surface (journal) of the camshaft (new) ... 2.3720 .0005 in.(60.249 0.013 mm)Maximum permissible clearance between the bearing and the camshaft bearing surface (journal) (worn) ... .006 in.(0.15 mm)(2) Torque for screws that hold sleeve control levers ... 24 2 lb.in.(2.8 0.2 N m)(3) Bore in the housing for the fuel control shaft (new) ... .3543 .0005 in.(8.999 0.013 mm) Diameter of sleeve control shaft (new) ... .3530 .0003 in.(8.966 0.008 mm)Maximum permissible clearance between the bore in the housing and the sleeve control shaft (worn) ... .003 in.(0.07 mm)(4) End play for camshaft with sleeve installed (new) ... .023 .018 in.(0.58 0.46 mm) When installing sleeve on end of camshaft, support the camshaft to prevent damage to parts inside of injection pump and governor housing.(5) Bore in the front bearing for the camshaft (new) ... 1.0005 .0005 in.(25.413 0.013 mm) Diameter of front bearing surface (journal) of the camshaft (new) ... .9990 .0005 in.(25.375 0.013 mm)Maximum permissible clearance between the bearing and the camshaft bearing surface (journal) (worn) ... .004 in.(0.10 mm)(6) Torque for bushing ... 70 5 lb. ft.(95 7 N m)(7) Crossover levers. For adjustment of crossover levers, see 3208 DIESEL TRUCK ENGINE Service Manual.(8) Torque for screws that hold crossover levers ... 24 2 lb. in.(2.8 0.2 N m)(9 and 10) Fuel control shafts.(11) Dowel pin (linkage between crossover levers).(12) 4N4318 Spring for injection pump: Length under test force ... 1.348 in.(34.24 mm)Test force ... 12.5 1.3 lb.(55.5 5.8 N)Free length after test ... 1.566 in.(39.78 mm)Outside diameter ... 728 .010 in.(18.49 0.25 mm)