COLLAR 1901701 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Note: Different designs of aftercoolers are available for different applications. The following procedures describe the removal and installation of a typical aftercooler.Note: The 3508B and 3512B Engines have one aftercooler. The 3516B Engines have two aftercoolers. The following procedures describe the removal and installation of only one aftercooler.
Drain the coolant from the cooling system into a suitable container for storage or for disposal. Refer to Disassembly and Assembly, "Cooling System Coolant - Change".
Illustration 1 g00601406
Remove tube assembly (1). Cap the openings and/or plug of the openings.
Illustration 2 g00601408
Remove tube assemblies (2) that are between the air inlet cover of the aftercooler and the turbochargers.
Illustration 3 g00616450
Disconnect tube assemblies (3) from the ends of the aftercooler core. One tube is at the front and one tube is for the rear.
Illustration 4 g00601409
Install Tooling (A) into the top of air inlet cover (4).
Attach a suitable lifting device onto Tooling (A). The weight of air inlet cover (4) is approximately 11 kg (24 lb). Remove bolts (5). Remove air inlet cover (4). Note: Be careful not to damage the fins of the aftercooler core.
Illustration 5 g00601411
Attach a suitable lifting device onto aftercooler core (6). The weight of aftercooler core (6) is approximately 37 kg (82 lb). Lift aftercooler core (6) from the air inlet manifold. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Be careful not to damage the fins of the aftercooler core.
Illustration 6 g00601411
Inspect the top O-ring seal and the bottom O-ring seal of aftercooler core (6). If a seal is cut, scratched, or cracked, install a new seal. Temporarily secure the bottom seal with tape. Make sure that the tape can be removed after the aftercooler core is installed. Do not use an adhesive, a silicone lubricant, or any other lubricant for retention of the seal.
Attach a suitable lifting device onto aftercooler core (6). The weight of aftercooler core (6) is approximately 37 kg (82 lb). Position aftercooler core (6) onto the air inlet manifold. Ensure that the bottom seal is properly seated.