C27 and C32 Industrial Engines Caterpillar

Removal Procedure

Show/hide table

Illustration 1	g02245733
Typical Example

Note: Mark (X) will be used during the alignment of the catalyst (2), when the catalyst is installed.

1. Apply Mark (X) on either side of strap assembly (3).

2. Remove exhaust elbow (1). Refer to Disassembly and Assembly, "Exhaust Elbow - Remove and Install".

   Note: Do not use power tools in order to disconnect strap assemblies (3).

3. Position Tooling (A) onto catalyst (2) (not shown). Use hand tools in order to disconnect strap assemblies (3) and remove the catalyst. The weight of catalyst (2) is approximately 50 kg (110 lb).

4. If necessary, repeat the above steps for the opposite side.

Installation Procedure

1. Install catalyst (2) in the reverse order.
   Show/hide table

   Illustration 2	g02256895
   Typical Example

   1. Align Mark (X) when positioning catalyst (2) into place.

   2. Apply Tooling (B) to the threads of clamp assemblies (3) for a Distance (Z). Distance (Z) is 25 mm (1 inch) above the trunnion. Use hand tools in order to tighten clamp assemblies (3). Tighten clamp assemblies (3) to a torque of 15 ± 3 N·m (133 ± 27 lb in).