3145, 3150 & 3160 ELECTRIC SET ENGINES Caterpillar


Fuel Injection Equipment

Usage:

Firing order (injection sequence) ... 1,2,7,3,4,5,6,8

Torque for the nuts holding the fuel injection lines ... 30 ± 5 lb. ft.(4.1 ± 0.7 mkg)

(1) Torque for bushings ... 100 ± 10 lb. ft.(13.8 ± 1.4 mkg)

(2) 9L8410 Spring:

Length under test force ... 1.077 in.(27.36 mm)

Test force ... 13.3 ± .7 lb.(6.03 ± 0.32 kg)

Free length after test ... 1.30 in.(33.02 mm)

Outside diameter ... .774 in.(19.66 mm)

(3) Bore in bearings for the rack ... .4385 ± .0003 in.(11.138 ± 0.008 mm)

Maximum permissible bore in bearings for the rack ... .4408 in.(11.196 mm)

Diameter of the fuel rack ... .4360 ± .0002 in.(11.074 ± 0.005 mm)

Minimum permissible diameter of the fuel rack ... .4338 in.(11.019 mm)

(4) Length of the pump plunger ... 2.1500 ± .0003 in.(54.610 ± 0.008 mm)

Minimum permissible length of the pump plunger ... 2.1450 in.(54.483 mm)

(5) Timing dimension for the fuel injection pumps with 8S7167 Gauge ... 3.728 ± .001 in.(94.69 ± 0.03 mm)

(6) 9L9448, 9L9762 Lifter Assembly ... .867 in.(22.02 mm)

9L9449, 9L9796 Lifter Assembly ... .869 in.(22.07 mm)

9L9450, 9L9797 Lifter Assembly ... .871 in.(22.12 mm)

9L9451, 9L9798 Lifter Assembly ... .873 in.(22.17 mm)

9L9452, 9L9799 Lifter Assembly ... .875 in.(22.22 mm)

9L9453, 9L9800 Lifter Assembly ... .877 in.(22.27 mm)

9L9454, 9L9801 Lifter Assembly ... .879 in.(22.32 mm)

9L9455, 9L9802 Lifter Assembly ... .881 in.(22.38 mm)

9L9456, 9L9803 Lifter Assembly ... .883 in.(22.43 mm)

(7) Bore in front bearing for the camshaft ... 2.5640 ± .0005 in.(65.126 ± 0.013 mm)

Bore in center and rear bearings for the camshaft ... 1.8755 ± .0005 in.(47.638 ± 0.013 mm)

Diameter of front bearing surface (journal) of the camshaft ... 2.5600 ± .0005 in.(65.024 ± 0.013 mm)

Diameter of center and rear bearing surfaces (journals) of the camshaft ... 1.8730 ± .0005 in.(47.574 ± 0.013 mm)

Maximum permissible clearance between the bearings and the camshaft bearing surfaces (journals) ... .006 in.(0.15 mm)

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