PIN 2G5715 - Caterpillar

Removal Procedure
Drain the coolant from the auxiliary water system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
Illustration 1 g02173968
Remove tube assemblies (1) and tube assemblies (2).
Illustration 2 g02173971
Remove tube assemblies (3) and hose assemblies (4).
Illustration 3 g02173972
Remove hose clamps (6) and hose (7). Remove bolts (9), elbow (5), and the O-ring seals. Remove bolts (10), elbow (8), and the O-ring seal. Repeat for the remaining turbochargers.
Illustration 4 g02173973
Remove bolts (14). Use two technicians to remove cover (13). The weight of cover (13) is approximately 32 kg (71 lb). Slide cover (13) from pipe (12). Remove the O-ring seal from the aftercooler core. Remove bolts (11), pipe (12), and the O-ring seals. Repeat for the other cover.
Illustration 5 g02173975
Disconnect tube assembly (18) from elbow (16). Remove bolts (17) and disconnect the tube assembly and the flange from elbow (16). Remove the O-ring seals. Remove bolts (15), elbow (16), the adapter, and the O-ring seals.
Illustration 6 g02174147
Remove bolts (19) from tee (20) and the clamp assemblies. Remove bolts (22), flange (21), and tee (20). Remove the adapters and the O-ring seals.
Illustration 7 g02174148
Remove bolts (23), cover (24), the gasket, the adapter, and the O-ring seals.
Illustration 8 g02174212
Use two technicians to remove aftercooler core (25). The weight of aftercooler core (25) is approximately 45 kg (100 lb). Remove the O-ring seal from the housing. Repeat for the other aftercooler core.
Illustration 9 g02174219
Remove bolts (27). Use two technicians to remove housing (26). The weight of housing (26) is approximately 26 kg (57 lb). Remove the O-ring seal from the air inlet manifold. Repeat for the other housing. Installation Procedure
Illustration 10 g02174219
Illustration 11 g02174250
Install the O-ring seal on the air inlet manifold. Use two technicians to install housing (26). The weight of housing (26) is approximately 26 kg (57 lb). Install bolts (27). Tighten the bolts in a numerical sequence to a torque of 24 N m (18 lb ft). Tighten the bolts again in a numerical sequence to a torque of 47 N m (35 lb ft). Repeat for the other housing.
Illustration 12 g02174212
Install the O-ring seal on the housing. Use two technicians to install aftercooler core (25). The weight of aftercooler core (25) is approximately 45 kg (100 lb). Repeat for the other aftercooler core.