PANEL A 8K3489 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     352-5891     Lifting Strap     2    
B         Loctite 771     -    Start By:
Remove hood.
Remove temperature sensor (catalyst inlet).
Illustration 1 g03469580
Loosen clamp (3). Remove bellow assembly (2). Loosen clamp (1).
Illustration 2 g03841874
Install a suitable lifting device to catalyst assembly (4). The weight of catalyst (SCR) (4) is approximately 53 kg (117 lbs). Loosen clamps (5). Remove catalyst (SCR) (4) .Installation Procedure
Note: When installing a new catalyst or a cleaned catalyst, a SCR reset must be performed. Refer to Special Instruction, REHS8180, "Aftertreatment Filter Maintenance on Tier 4 Final Products Equipped with a Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC), and a Selective Catalyst Reduction (SCR) Filter" for the correct procedure.
Install catalyst (SCR) (4) in the reverse order of removal.
Illustration 3 g03469777
Typical ExampleNote: Do not use power tools in order to torque clamp assemblies (5) .
Apply Tooling (B) to the threads of clamp assemblies (5) along Distance (X). Distance (X) is 25 mm (1.0 inch) above the trunnion. Tighten clamp assemblies (5) to a torque of 16.5 1.5 N m (146 13 lb in).
Illustration 4 g03469798
Cutaway view of band clamp (1) in position on the assembly.Note: Do not use power tools in order to torque band clamp (1) .
Verify that the cup of the Ball Joint (G) does not touch the radius of the Ball (F). Position band clamp (1), hand tighten band clamp (1). Band clamp (1) should be in the center of the joint.
Dimension (C) and Dimension (D) should be equal within 2.0 mm (0.08 inch). Repeat the measurements every 90° around band clamp (1). If necessary, adjust band clamp (1) .
Torque band clamp (1) to a torque of 35 2 N m (26 1 lb ft).