RING-BACKUP 0951785 - Caterpillar

Engines: 3606 (S/N: 8RB1-571) 3608 (S/N: 6MC1-480; 8LL1-5)Introduction
Illustration 1 g00427658
This Special Instruction is a guide for completing the conversion to the 7E-3100 Treated Water Aftercooler Group . This instruction is not intended to be an all inclusive document. All of the steps that are involved in the conversion of the aftercooler are not given. The new aftercooler group for the 3606 and 3608 engines is the 7E-3100 Treated Water Aftercooler Group . On 3608 engines, the aftercooler is bolted to the left side of the block on cylinder 6 (A), cylinder 7 (B), and cylinder 8 (C). On 3606 engines, the aftercooler covers cylinder 4, cylinder 5, and cylinder 6.The previous aftercooler was not as large as the 7E-3100 Treated Water Aftercooler Group . On 3608 engines, the previous aftercooler was mounted on cylinder 7 and cylinder 8. On 3606 engines, the previous aftercooler was mounted on cylinder 5 and cylinder 6. 7E-3100 Treated Water Aftercooler Group
Illustration 2 g00426960
Table 1
7E-3100 Treated Water Aftercooler Group    
Number    Part Number    Description    Quantity    
1     7E-3102     Aftercooler Core     1    
2     7E-3101     Aftercooler Housing     1    
3     6V-1454     O-Ring Seal     4    
4     1W-6917     Adapter     2    
5     123-6256     Adapter     2    
6     6V-3908     O-Ring Seal     2    
7     3V-3308     Washer     37    
8     031-0219     Bolt     37    
9     9S-4183     Plug     1    
10     6V-5063     O-Ring Seal     1    
11     9S-4191     O-Ring Plug     3    
12     6V-5049     O-Ring Seal     3    
13     7H-4412     Spacer     2    
14     7X-0791     Screw     2    
15     7E-3103     Seal     1    Installation Instructions
In order to make sufficient space for the larger aftercooler, a cast rib must be removed. This support can be removed by a variety of methods. One method is described here:
Illustration 3 g00427182
On the 3608 engine, drill a series of holes in the cast rib that is between cylinder 6 and cylinder 7. On the 3606 engine, drill a series of holes in the cast rib between cylinder 4 and cylinder 5. These holes will make the cutting easier when you are cutting through the casting. Refer to Illustration 3.
Use a hacksaw in order to cut through the drilled holes.
Use a grinder in order to smooth the cut that was made by the hacksaw.
Ensure that all of the metal filings are removed from the air plenum.
Install the 7E-3100 Treated Water Aftercooler Group . Use Illustration 2 as a reference. Use Table 1 as a guide in ordering the required parts. Some of the items from the previous aftercooler can be reused.