Belt Tightener - Install

TM 9-2320-312-24-2

Truck Engine

Disassembly and Assembly Section

2. Install two bolts (1) that hold water pump belt

tightener (3) to the timing gear housing.

3. Adjust the tension of V-belt (2). Refer to Operation

and Maintenance Manual, "Belt Tension Chart".

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Fan Drive Mounting Group -

Remove and Install

SMCS Code: 1359

Removal Procedure

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Illustration 269

Start By:

3. Install pulley (2) on the idler plate assembly.

Install retaining ring (1) with Tooling (A) in order

a. Remove the engine cooling fan and the fan

to hold pulley (2) to the idler plate assembly.

drive. Refer to Disassembly and Assembly, "Fan

Drive - Remove".

End By:

b. Remove the alternator. Refer to Disassembly and

a. Install the water pump belt tightener. Refer to

Assembly, "Alternator - Remove and Install".

Disassembly and Assembly, "Belt Tightener -

Install".

c. If equipped, move the refrigerant compressor

free of the fan drive.

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Note: Refer to "For removal of fan drive mounting

Belt Tightener - Install

support as. only" for water pump maintenance. This

procedure is only for engines that are equipped

SMCS Code: 1358-012

with a two-piece fan drive mounting.

Installation Procedure

One-Piece Fan Drive Mounting (If

Equipped)

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Illustration 270

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Illustration 271

1. Position water pump belt tightener (3) and install

V-belt (2) on the pulley of water pump belt

1. Remove screws (1).

tightener (3).