RING-SEAL EXTENSION 7G1186 - Caterpillar

Firing order (injection sequence) ... 1,8,5,4,7,2,3,6Injection timing before TC (top center): Engine Serial Numbers: 39J1-1173 ... 11 1°39J1174-UP ... 8 1°40J1-UP ... 8 1°Timing dimension for the fuel injection pumps (OFF ENGINE) ... 3.016 .002 in.(76.61 0.05 mm)Timing dimension for the fuel injection pumps (ON ENGINE): Engine Serial Numbers: (39J1-1173) (40J1-375) ... 2.9668 .0020 in.(75.357 0.05 mm)(39J1174-UP) (40J376-UP) ... 2.9813 .0020 in.(75.725 0.05 mm)(1) Torque for the nuts that hold the fuel lines ... 30 5 lb.ft.(41 7 N m)(2) Torque for bushing ... 145 5 lb.ft.(197 7 N m)(3) Length of pump plunger ... 3.4550 .0003 in.(87.757 0.008 mm) Minimum permissible length (worn) ... 3.4497 in.(87.622 mm)(4) 2S1873 Spring: Length under test force ... 1.531 in.(38.89 mm)Test force ... 40.0 2.0 lb.(18.1 0.9 kg)Free length after test ... 1.908 in.(48.46 mm)Outside diameter ... 1.371 in.(34.82 mm)(5) Thickness of lifter assemblies: 9S2359 Lifter Assembly ... 1.367 in.(34.72 mm)9S2360 Lifter Assembly ... 1.371 in.(34.82 mm)9S2361 Lifter Assembly ... 1.375 in.(34.93 mm)9S2362 Lifter Assembly ... 1.379 in.(35.03 mm)9S2363 Lifter Assembly ... 1.383 in.(35.13 mm)(6) Rack: Bore in the bearings for the rack ... .6125 .005 in.(15.558 0.038 mm)Diameter of fuel rack ... .6095 .0005 in.(15.481 0.013 mm)Maximum permissible clearance between rack and bearings (worn) ... .005 in.(0.13 mm)(7) Camshaft: Bore in bearings for the camshaft ... 2.6258 .0005 in.(66.695 0.013 mm)Diameter of the bearing surfaces (journals) of the camshaft ... 2.6215 .0005 in.(66.586 0.013 mm)Maximum permissible clearance between the bearings and the camshaft bearing surface (journals) (worn) ... .010 in.(0.25 mm) One of the bolt holes has the mark "G". Install a ground body bolt in this hole and tighten to ... 85 5 lb.ft.(115 7 N m)