GROMMET 4448386 - 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 the exhaust elbow.
Illustration 1 g02732956Note: Mark (X) will be used during the alignment of the catalyst (2), when the catalyst is installed.
Apply Mark (X) on either side of strap assembly (3). Note: Do not use power tools in order to disconnect strap assemblies (3).
Position Tooling (A) onto catalyst (1) (not shown). The weight of catalyst (1) is approximately 50 kg (110 lb).
Use hand tools to disconnect strap assemblies (2) and (3).
Remove catalyst (1).
If necessary, repeat the above steps for the opposite side. Installation Procedure
Install catalyst (1) in the reverse order.
Illustration 2 g02256895
Typical Example
Align Mark (X) when positioning catalyst (2) into place.
Apply Tooling (B) to the threads of clamp assemblies (2) and (3) for a Distance (Z). Distance (Z) is 25 mm (1 inch) above the trunnion.
Use hand tools to tighten clamp assemblies (2) and (3). Tighten to a torque of 15 +3/-0 N m (133 +27/-0 lb in).