INSULATOR 4189531 - Caterpillar

Camshaft rotation counterclockwise in view shown.Firing order (injection sequence) ... 1, 5, 3, 6, 2, 4Injection timing before TC (top center):Precombustion Chamber (PC) ... 10 1°*Direct Injection (DI) ... 29 1°*Direct Injection (DI) ... 28 1°*Direct Injection (DI) ... 26.5 1°*Direct Injection (DI) ... 22.5 1°*Make reference to DI FUEL SYSTEM CHART in FUEL SYSTEM IDENTIFICATION section to find correct injection pump groups.(1) Torque for bushing ... 150 10 lb. ft.(205 14 N m)
A - 8S7167 GAUGE
B - 5P4158 GAUGE (5) Bore for the rack and diameter of the rack: Bearing at the rear (new) ... .5018 .0018 in.(12.746 0.046 mm)Bearing at the front (new) ... .5023 .0018 in.(12.758 0.046 mm)Diameter of fuel rack (new) ... .4985 .0002 in.(12.662 0.005 mm)Maximum permissible clearance between rack and bearings (worn) ... .007 in.(0.18 mm)(6) Bore in bearings for the camshaft (new) ... 2.1255 .0015 in.(53.988 0.038 mm) Diameter of bearing surfaces of the camshaft (new) ... 2.1220 .0005 in.(53.899 0.013 mm)Maximum permissible clearance between the bearings and the camshaft ... .010 in.(0.25 mm)
PRECHAMBER(9) Torque for all nuts that hold the fuel lines ... 30 5 lb. ft.(40 7 N m)(10) Torque for the nuts that hold the nozzles ... 55 5 lb. ft.(75 7 N m)(11) Body.
DIRECT INJECTION(12) Nozzle. Tighten nozzle finger tight on body (11).(13) Torque for precombustion chamber or direct injection adapter ... 150 10 lb. ft.(205 14 N m)(14) Torque for glow plug ... 120 24 lb. in.(13.6 2.8 N m)