GRILL AS 4165813 - Caterpillar

Illustration 1 g00932561
(1) Water pump drive gear (2) Water pump's idler gear (3) Camshaft idler gear (4) Camshaft gear (5) Auxiliary water pump drive gear (6) Auxiliary water pump's Idler gear (7) Ignition and governor drive gear (8) Crankshaft gear (9) Oil pump drive gear
Illustration 2 g00932569
(2) Water pump's idler gear Maximum permissible temperature of the idler gear for installation on the camshaft idler gear ... 400 °C (752 °F) (3) Camshaft idler gear (A) Bore in the camshaft idler gear ... 69.850 0.013 mm (2.7500 0.0005 inch) (B) Bore in the bearing after installation ... 63.602 0.038 mm (2.5040 0.0015 inch)
Illustration 3 g00932633
Timing marksThe timing marks on water pump's idler gear (2), on camshaft gear (4), and on crankshaft gear (8) must be visible from the front of the engine. Illustration 3 shows the correct alignment of the timing marks when the number one cylinder is in the top center position.
Illustration 4 g00932567
(10) Idler shaft's bolt torque ... 55 10 N m (40 7 lb ft) (11) Idler gear's plate's bolt torque ... 30 7 N m (22 5 lb ft) (12) Oil pump drive gear's bolt torque ... 55 10 N m (40 7 lb ft)