3406E On-Highway Engine Caterpillar

Assembly Procedure

Note: Before assembly, check the condition of the gaskets and the O-ring seals. If the gaskets or the O-ring seals are worn or damaged, use new parts for replacement.

Show/hide table

Illustration 1	g00619807

1. Put O-ring seals (6) in position on adapter (5). Put clean engine oil on the O-ring seals. Install adapter (5) in elbow (3).
   Show/hide table

   Illustration 2	g00619616

2. Put O-ring seal (4) in position on oil cooler bonnet (1). Put clean engine oil on O-ring seal (4).
   Show/hide table

   Illustration 3	g00619597

3. Align oil cooler bonnet (1) with oil cooler (2). Lubricate the bore of oil cooler (2) with clean engine oil. Install oil cooler bonnet (1) into the oil cooler.

4. Lubricate the bore of oil cooler (2) with clean engine oil. Install elbow (3) into the oil cooler.

End By:

1. Install the engine oil cooler. Refer to Disassembly and Assembly, "Engine Oil Cooler - Install".