COVER AS 2620568 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Check all of the O-ring seals and the components for wear or damage. Replace the components, if necessary.Note: Lubricate all of the O-ring seals lightly with the lubricant that is being sealed.
Illustration 1 g00605809
If necessary, install bushing assembly (20) to belt arm assembly (16).
Illustration 2 g00605808
Position shaft (10) to belt arm assembly (16), as shown. Install dowel (17) that secures shaft (10) to belt arm assembly (16). Install relief fitting (18) to belt arm assembly (16).
Illustration 3 g00605807
Position spring (13) to belt arm assembly (16), as shown. Install pin (15), clevis pin (14) and the washers that secure spring (13) to belt arm assembly (16). Repeat this procedure for the remaining spring.
Illustration 4 g00605806
Lubricate O-ring seal (12) with 1U-6395 O-Ring Assembly Compound prior to installation. Install O-ring seal (12) to shaft (10).
Illustration 5 g00605805
Install spacer (11) to shaft (10).
Illustration 6 g00605803
Install roller bearing (9) to idler pulley (3).
Illustration 7 g00605802
Illustration 8 g00605829
Apply 5P-0960 Molybdenum Grease on the lip of lip seal (8) prior to installation. Use Tool (A) to install lip seal (8) to idler pulley (3). Ensure that lip seal (8) is installed facing toward the inside of idler pulley (3).
Illustration 9 g00605801
Reposition idler pulley (3), as shown. Install spacer (7) to idler pulley (3).
Illustration 10 g00605800
Install roller bearing (6) to idler pulley (3).
Illustration 11 g00605799
Position idler pulley (3) onto the shaft. Position retaining washer (5) to the shaft. Install two bolts (4) and the washers that secure retaining washer (5) to the shaft.
Illustration 12 g00605798
Position cover (2) and the gasket to idler pulley (3). Install four bolts (1) and the washers that secure cover (2) to idler pulley (3). End By:
Install the belt tightener. Refer to Disassembly and Assembly, "Belt Tightener - Install".