3116 and 3126 Truck Engines Belt Tightener – Assembly/Disassembly

Assembly Procedure

1.Apply Tooling (C) in the bearing bore of the pulley and on the outside diameter of bearings (1). Install bearings (1) in the pulley with Tooling (B). Ensure that bearings (1) are centered in the pulley.

2.Install pulley (2) on the idler plate assembly. Install retaining ring (3) with Tooling (A) .
End By: Install the water pump belt tightener. Refer to Disassembly and Assembly, “Belt Tightener – Install”.

Disassembly Procedure

Start By:

A.Remove the water pump belt tightener. Refer to Disassembly and Assembly, “Belt Tightener – Remove”.

1.Use Tooling (A) to remove retaining ring (3). Remove pulley (2) .

2.Use Tooling (B) to remove bearings (1) .