Water Pump - Remove

TM 9-2320-312-24-2

Truck Engine

Disassembly and Assembly Section

i01747228

NOTICE

Water Pump - Remove

Care must be taken to ensure that fluids are contained

during performance of inspection, maintenance, test-

SMCS Code: 1361-011

ing, adjusting and repair of the product. Be prepared to

collect the fluid with suitable containers before open-

Removal Procedure

ing any compartment or disassembling any compo-

nent containing fluids.

Start By:

Refer to Special Publication, NENG2500, "Caterpillar

a. Remove the belt tensioner. Refer to Disassembly

Tools and Shop Products Guide" for tools and supplies

and Assembly, "Belt Tensioner - Remove and

suitable to collect and contain fluids on Caterpillar

Install".

products.

Note: Some engines may be equipped with a

Dispose of all fluids according to local regulations and

special mounting group for the fan. The mounting

mandates.

group may be one-piece or two-piece. It may be

necessary to remove the mounting group for water

1. Drain the coolant from the cooling system into a

pump maintenance. Refer to Disassembly and

suitable container for storage or disposal.

Assembly, "Fan Mounting Group - Remove and

Install".

Personal injury can result from hot coolant, steam

and alkali.

At operating temperature, engine coolant is hot

and under pressure. The radiator and all lines

to heaters or the engine contain hot coolant or

steam. Any contact can cause severe burns.

Remove cooling system pressure cap slowly to

relieve pressure only when engine is stopped and

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cooling system pressure cap is cool enough to

Illustration 109

touch with your bare hand.

2. Remove water pump V-belt (1).

Do not attempt to tighten hose connections when

3. Loosen hose clamps (4) and remove hose (3).

the coolant is hot, the hose can come off causing

burns.

4. Disconnect hose assembly (2) from the water

pump elbow.

Cooling System Coolant Additive contains alkali.

Avoid contact with skin and eyes.

NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened

component life.

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Illustration 110