DUCT GP-CAB AIR 2194358 - Caterpillar

Removal Procedure
Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01210246
Disconnect harness assembly (1). Remove bolts (2) and modulating valve (3) .
Illustration 2 g01210262
Remove nut (4), coil assembly (5), and O-ring seal (6) .
Repeat for the remaining modulating valves.Installation Procedure
Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 3 g01210262
Install coil assembly (5), nut (4), and O-ring seal (6). Tighten nut (4) to a torque of 13 1.5 N m (115 13 lb in).
Illustration 4 g01210246
Install modulating valve (3) and bolts (2). Connect harness assembly (1). Tighten bolts (2) to a torque of 30 4 N m (22 3 lb ft).
Repeat for the remaining modulating valves.