3508C, 3512C and 3516C Locomotive Engines Caterpillar


Air Inlet and Exhaust Lines

Usage:

3508C F1X


Illustration 1g02837396
Right side view


Illustration 2g02837399
Bolt tightening sequence

Table 1
Specification for 326-2873 Air Lines Gp 
Item  Qty  Part  Specification description 
5F-4899 Bolt  Use the following procedure in order to assemble the aftercooler assembly and tighten the bolts:
1. Assemble the seals to the aftercooler core.
2. Temporarily secure the bottom seal to the aftercooler with tape. Do not use an adhesive, a silicone lubricant, or any other lubricant for retention of the seal.
3. Assemble the aftercooler with seals to the inlet manifold.
4. Inspect the bottom seal in order to ensure that the seal is seating correctly in the recess.
5. Install the aftercooler cover.
6. Inspect the upper seal in order to ensure that the seal is seating correctly in the recess.
7. Install the cover bolts. Hand tighten the cover bolts.
8. Tighten the bolts in a numerical sequence as shown in Illustration 2 to 24 N·m (18 lb ft).
9. Again, tighten the bolts in a numerical sequence that is shown in Illustration 2 to 47 N·m (35 lb ft).
10. Remove the tape. 
322-4643 Bolt 
6V-3917 O-Ring Seal  Lubricate the bore lightly with glycerin or 5P-3975 Rubber Lubricant. 
6V-5101 O-Ring Seal  Lubricate the bore lightly with glycerin or 5P-3975 Rubber Lubricant. 


Illustration 3g02837397
Top view

Table 2
Specification for 326-2873 Air Lines Gp 
Item  Qty  Part  Specification description 
6V-5103 O-Ring Seal  Lubricate the bore lightly with glycerin or 5P-3975 Rubber Lubricant. 

Caterpillar Information System:

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