SHAFT-PLANETARY 1912679 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Stud
M8 by 90 mm 2 Start By:
If equipped with a radiator, remove the fan.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct draining and filling procedures.
Loosen the hose clamps and remove the hose from the water pump inlet.
Illustration 1 g03343929
Remove bolts (4).
Remove water pump (3) from front cover (1). Note: If necessary, tap the water pump with a soft faced hammer in order to loosen the water pump.
Remove gasket (2). Installation Procedure
Illustration 2 g03343931
Illustration 3 g02164963
Clean the gasket surface of housing (1).
Install Tooling (A) in Position (X).
Use Tooling (A) in order to align new gasket (2) to housing (1). Install the gasket onto the housing.
Align water pump (3) to Tooling (A). Install the water pump to housing (1). Note: Ensure that the gear of the water pump and the gear of the fuel injection pump are in alignment.
Install bolts (4). Refer to Illustration 2. Tighten the bolts finger tight.
Remove Tooling (A) and install remaining bolts (4).
Illustration 4 g01985813
Tighten the bolts to a torque of 22 N m (195 lb in) in the sequence that is shown in Illustration 4 .
Install the hose to the water pump inlet. Tighten the hose clamps securely.
Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure. End By:
If equipped with a radiator, install the fan.