C15 and C18 Industrial Engines Caterpillar

Removal Procedure

Start By:

1. Remove the hydraulic manifold that controls the combustion air valve.

Show/hide table



Illustration 1	g01880583

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be cleaned to prevent dirt from entering the internal mechanism.

1. Disconnect tube assembly (1). Remove spacer (2) and remove exhaust combustion manifold (ARD) (3) .

Show/hide table



Illustration 2	g03478599

2. Remove fitting (4) from exhaust combustion manifold (ARD) (3) .

3. Remove the O-ring seal from fitting (4) .

Installation Procedure

1. Install exhaust combustion manifold (ARD) (3) in the reverse order of removal.

   1. Tighten fitting (4) to a torque of 26 ± 3 N·m (19 ± 2 lb ft).