Water Temperature Regulator - Remove and Install

TM 9-2320-312-24-2

Truck Engine

Disassembly and Assembly Section

i01181083

Water Temperature Regulator -

Remove and Install

SMCS Code: 1355-010

Removal Procedure

Personal injury can result from hot coolant, steam

and alkali.

g00614170

Illustration 122

At operating temperature, engine coolant is hot

and under pressure. The radiator and all lines

5. Connect hose (3) to water pump (5) and to the

to heaters or the engine contain hot coolant or

water temperature regulator housing. Install two

steam. Any contact can cause severe burns.

clamps (4).

Remove cooling system pressure cap slowly to

6. Install hose assembly (2) to the water pump

relieve pressure only when engine is stopped and

elbow.

cooling system pressure cap is cool enough to

touch with your bare hand.

7. Install V-belt (1) and adjust V-belt (1). Refer to

the Specifications Module, "Belt Tension Chart".

Do not attempt to tighten hose connections when

the coolant is hot, the hose can come off causing

8. Fill the cooling system with coolant to the correct

burns.

level. Refer to the Operation and Maintenance

Manual for the correct filling procedure.

Cooling System Coolant Additive contains alkali.

Avoid contact with skin and eyes.

End By:

a. If equipped, install the special fan drive

NOTICE

mounting. The mounting may be one-piece or

Keep all parts clean from contaminants.

two-piece. Refer to Disassembly and Assembly,

"Fan Drive Mounting Group - Remove and

Contaminants may cause rapid wear and shortened

Install".

component life.

b. Install the belt tensioner. Refer to Disassembly

and Assembly, "Belt Tensioner - Remove and

NOTICE

Install".

Care must be taken to ensure that fluids are contained

during performance of inspection, maintenance, test-

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

collect the fluid with suitable containers before open-

ing any compartment or disassembling any compo-

nent containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar

Tools and Shop Products Guide" for tools and supplies

suitable to collect and contain fluids on Caterpillar

products.

Dispose of all fluids according to local regulations and

mandates.

1. Drain the coolant from the cooling system into a

suitable container for storage or disposal.