Front (Timing) Gear Group
Usage:
(1) Drive gear for water pump.
(2) Idler gear assembly. Idler gear for water pump.
(3) Idler gear for camshaft. Part of idler gear assembly (2).
(4) "K" marks must be seen from front of engine when gears are in alignment as shown. Top center for the No. 1 cylinder.
(5) Camshaft gear.
(6) Air compressor drive gear.
(7) Idler gear for air compressor drive.
(8) Drive gear for fuel pump.
(9) Crankshaft gear.
(10) Drive gear for oil pump.
(11) Torque for bolt ... 55 ± 10 N·m (40 ± 7 lb ft)
Caterpillar Information System:
3406C GENERATOR SET ENGINE Front Housing And Covers
3406C GENERATOR SET ENGINE Idler Gear Assembly (For Front Gear Group)
3406C GENERATOR SET ENGINE Idler Gear Shaft Pilot Bore
3406C GENERATOR SET ENGINE Fuel Filter Base
3406C GENERATOR SET ENGINE Primary Fuel Filter
3406C GENERATOR SET ENGINE Governor And Fuel Pump Drive Group Automatic Timing Advance Unit
3406C GENERATOR SET ENGINE Governor
3406C GENERATOR SET ENGINE Fuel Injection Pump Housing
3406C GENERATOR SET ENGINE Fuel Injection Pump
3406C GENERATOR SET ENGINE Fuel Transfer Pump
3406C GENERATOR SET ENGINE Fuel Injection Nozzle And Adapter
3406C GENERATOR SET ENGINE Fuel Injection Lines
3406C GENERATOR SET ENGINE Accessory Drive Groups
3406C GENERATOR SET ENGINE Camshaft
3406C GENERATOR SET ENGINE Camshaft Bearings
3406C GENERATOR SET ENGINE Breather Cap
3406C GENERATOR SET ENGINE Valve Covers
3406C GENERATOR SET ENGINE Valves
3406C GENERATOR SET ENGINE Valve Rocker Arms, Lifters And Bridges
3406C GENERATOR SET ENGINE Cylinder Head
3406C GENERATOR SET ENGINE Turbochargers
3406C GENERATOR SET ENGINE Exhaust Manifold
3406C GENERATOR SET ENGINE Exhaust Manifold Shield
3406C GENERATOR SET ENGINE Engine Oil Filter