VALVE SAFETY 2U4155 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0500 Driver Group 1
B 1P-0808 Multipurpose Grease 1 Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble.
Check all the components of the belt tightener for wear or for damage. Replace the components, if necessary.
Lubricate all of the O-ring seals and the bearings lightly with Tooling (B) prior to installation.
Illustration 1 g01056056
Use a suitable press to install bushing (13) to tightener arm (7).
Install elbow (12) to tightener arm (7).
Illustration 2 g01056055
Install spacer (11) and the O-ring seal to tightener arm (7).
Illustration 3 g01056109
Illustration 4 g01056054
Use Tooling (A) in order to install bearing (10) into idler pulley (8).
Illustration 5 g01056109
Illustration 6 g01056051
Use Tooling (A) in order to install lip seal (9) into idler pulley (8).
Illustration 7 g01056049
Install idler pulley (8), the bearing and the lip seal onto tightener arm (7) as a unit.
Illustration 8 g00555793
Install spacer (6) into the idler pulley.
Illustration 9 g00555792
Use Tooling (A) (not shown) in order to install bearing (5) into the idler pulley.
Illustration 10 g00555791
Install bolts (3), the washers, and retaining washer (4) to the idler pulley.
Illustration 11 g00555790
Install cover (2) and the gasket to the idler pulley with bolts (1) and the washers. End By:
Install the belt tightener. Refer to Disassembly and Assembly, "Belt Tightener - Install".