REBUILD KIT 6N9608 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: There are several possible configurations of the aftercooler. The following procedure illustrates a typical example.Note: The following procedure was performed on a 3408E engine. However, the process for the 3412E engine is very similar.Note: Check the condition of the gaskets and the O-rings. If the gaskets or the O-rings are worn or damaged, use new parts for replacement.
Illustration 1 g00579418
Typical example
Install gasket (25) for the aftercooler housing, if the gasket was removed .
Illustration 2 g00579413
Typical example
Install aftercooler housing (23), if the housing was removed.
Install bolts (24) and the washers.
Illustration 3 g00579412
Typical example
Install O-ring seals (22).
Lightly lubricate the bores of the aftercooler housing and O-rings (22) with glycerin.
Install aftercooler core (21). Use the lifting brackets on the aftercooler core and a suitable lifting device. The weight of the aftercooler core assembly is approximately 26 kg (57 lb).
Illustration 4 g00579409
Typical example
Install adapters (16) and O-ring seal (17).
Install adapters (18) and the O-ring seal.
Install elbow (19) with bolts (20).
Illustration 5 g00579407
Typical example
Install bolts (15) and the washers.
Illustration 6 g00579404
Typical example
Install aftercooler cover (14).
Install clips (12), bracket (11), and bolts (13).
Install elbow (10) with bolts (9) and the O-ring seals.
Illustration 7 g00579403
Typical example
Install relief valve housing (6) with bolts (7).
Connect fuel line (8).
Illustration 8 g00579401
Typical example
Install elbow (4) with bolts (3).
Connect fuel line (1).
Install bolt (2) and the washer in the clip.
Install bolt (5), the washer, and the spacer.