Caterpillar Excavator 315

Remove the vibration damper and the pulley

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

NOTICE: Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Remove four bolts (1) and the washers from fan pulley (2)

If equipped, remove bolts (3) and the washers from front housing (8)

Remove five bolts (4) and the washers from cover (5) for the fuel injection pump gear

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

New gasket and front plate (6) installed

Torque of bolts (5) that hold front plate (6) to the cylinder block

Idler shaft (4) installed onto the cylinder block

Are the marks on the timing gears in alignment?

Torque of idler gear bolt (1) onto thrust plate (2)

For more information, refer to the Specifications Module, 'Gear Group (Front)'

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Check the condition of the gaskets and the O-ring seals. If the gaskets or the O-ring seals are damaged or worn, use new parts for replacement.

Clean old gasket material (11) from the contact surface of front housing (8) and the timing gear plate. Install a new gasket.

Install bearing (12), if equipped. If the bearing is worn or damaged, use a new part for replacement.

Install O-ring seal (13) onto cover (9), if equipped.

Install a new crankshaft front seal (10), if the crankshaft front seal was removed.

If equipped, install camshaft gear cover (9) onto front housing (8).

Install bolts (7) in order to fasten front housing (8) onto the cylinder block.