3408C ENGINE FOR CATERPILLAR BUILT MACHINES Caterpillar


Front Timing Gears

Usage:


With Idler Oil Pump Drive (If Equipped)

(1) Fuel pump drive and timing advance gear.

(2) Camshaft gear.

NOTE: Make alignment of "V" mark as shown.

(3) Water pump gear.

(4) Attachment drive groups gear.

(5) Idler & balance weight gear assembly.

NOTE: Make alignment of "V" marks as shown.

(6) Bore in the bearing (new) ... 63.602 ± 0.038 mm (2.5040 ± .0015 in)

Diameter of the shaft (new) ... 63.500 ± 0.013 mm (2.5000 ± .0005 in)

NOTE: The groove in the gear and the groove in the bearing must not be out of alignment by more than ± 5 degrees.

(7) End clearance (new) ... 0.13 to 0.63 mm (.005 to .025 in)

(8) Plate. The lubrication groove must be against the gear.

(9) Crankshaft gear.

NOTE: Make alignment of "V" mark as shown.

(10) Oil pump gear.

(11) Torque for bolt ... 55 ± 7 N·m (40 ± 5 lb ft)

(12) Oil pump idler gear

(13) torque for bolts ... 40 ± 5 N·m (29 ± 4 lb ft)

Caterpillar Information System:

3408C ENGINE FOR CATERPILLAR BUILT MACHINES Camshaft
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3408C ENGINE FOR CATERPILLAR BUILT MACHINES Governor And Fuel Pump Drive
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Governor Drive And Oil Pump
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Fuel Injection Pump Housing
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3408C ENGINE FOR CATERPILLAR BUILT MACHINES Exhaust Manifolds
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Inlet Air And Exhaust Lines
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Dust Ejector Group
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Air Cleaner Group
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Muffler Group
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3408C ENGINE FOR CATERPILLAR BUILT MACHINES Oil Filters
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Oil Breather Cap
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Oil Pan
3408C ENGINE FOR CATERPILLAR BUILT MACHINES Oil Pump
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