3412E, C30 and C32 Marine Engines Caterpillar

Aftercooler - Remove

Usage:

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	138-7573	Link Bracket	2

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

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NOTICE

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.

Drain the coolant system. Refer to Operation and Maintenance Manual, "Refill Capacities".
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Illustration 1 g01093289
Disconnect elbows (1).
Remove bolts (3).
Remove aftercooler cover (2). Remove the gasket for the aftercooler housing.
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Illustration 2 g01093292
Disconnect tube assemblies (4) and (5).
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Illustration 3 g01093295
Remove bolt (6). Remove bolts (8) that fasten tube assembly (7) to the manifold for the engine oil cooler.
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Illustration 4 g01093296
Position tube assembly (5) out of the way. Remove adapter (9) and adapter (10). Remove the O-ring seals from the adapters.
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Illustration 5 g01093298
Remove bolt (11). This bolt is shorter than the other bolts that fasten the core to the aftercooler housing. A longer bolt would interfere with the installation of the adapters.
Install Tooling (A) and a suitable lifting device to aftercooler core (13). The weight of aftercooler core (13) is approximately 45 kg (100 lb). Remove bolts (12) and aftercooler core (13).
Remove the O-ring seals from the aftercooler core.
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Illustration 6 g01093302
Remove bolts (14) from aftercooler housing (15).
Remove bolts (16). Remove aftercooler housing (15) and the gasket.