3406C DIESEL TRUCK ENGINE Caterpillar


Fuel Injection Pump

Usage:

Tighten the two 9S8007 Plugs in the engine side of the pump housing to a torque of ... 5 ± 1 N·m (4 ± 1 lb ft)

(1) Tighten the bushing to a torque of ... 258 ± 15 N·m (180 ± 10 lb ft)

(2) 8N5993 Spring (reverse flow check valve):

Length under test foce ... 11.50 mm (.453 in)

Test force ... 151 ± 8 N (34.2 ± 1.8 lb)

Free length after test ... 15.81 mm (.622 in)

Outside diameter ... 10.36 mm (.408 in)

(3) Thickness of 7E9907 Spacer ... 6.761 ± 0.005 mm (.2662 ± .0002 in)

(4) Torque for cover bolts ... 14 ± 4 N·m (10 ± 3 lb ft)

(5) Length of pump plunger (new) ... 77.423 ± 0.013 mm (3.0481 ± .0005 in)

(6) 4P8704 Spring (lifter):

Length under test force ... 48.87 mm (1.924 in)

Test force ... 160 ± 8 N (35.97 ± 1.80 lb)

Free length after test ... 52.16 mm (2.054 in)

Outside diameter ... 34.21 mm (1.347 in)

(7) Bore for the rack and diameter of the rack:

Bore in bearing (after installation) in governor end of housing ... 12.746 ± 0.045 mm (.5018 ± .0018 in)

Bore in bearing (after installation) in drive end of housing ... 12.767 ± 0.058 mm (.5026 ± .0023 in)

Diameter of rack (new) ... 12.662 ± 0.005 mm (.4985 ± .0005 in)

(8) Bore in bearings for camshaft (after assembly) ... 74.089 ± 0.039 mm (2.9169 ± .0015 in)

Diameter of bearing surfaces of the camshaft ... 74.000 ± 0.013 mm (2.9134 ± .0005 in)

NOTE: The following steps are use only for the 4P1381 Fuel Injection Pump Group.

(9) Setscrew. Tighten the setscrews in the drive end of camshaft (10) to a torque of ... 21 ± 7 N·m (15 ± 5 lb ft)

(10) Camshaft.

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