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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".
Illustration 1 g01340688
- Remove bolts (2) and the retainer from elbow (4).
- Remove bolts (5) from water pump (3).
- Remove elbow (4) from tube assembly (1).
Illustration 2 g01340689
- Disconnect hose assembly (6). Remove clip (7).
- Use Tooling (A) and attach a suitable lifting device to water pump (3). The weight of water pump (3) is approximately
22 kg (50 lb). Remove bolts (9), bolts (8), and water pump (3).
Radial movement of the pump drive shaft can allow the shaft to contact the ceramic seals in the water pump. This can damage the ceramic seals. Damage to the seals will cause leaks and failure of the pump. Do not cause radial movement of the pump drive shaft.
Section view of the water pump|
(10) Ceramic seals
(11) Pump drive shaft
Use the following guidelines for handling the water pump:
- Do not cause radial movement of the pump drive shaft. Never use any Tooling that will cause radial movement of the shaft.
- Never place the water pump on a surface so the shaft rests on the surface.
- Never handle the water pump by the shaft.