3508C, 3512C and 3516C Locomotive Engines Caterpillar


Air Inlet and Exhaust Lines

Usage:

3512C F2X


Illustration 1g02837796
Right side view


Illustration 2g02837421
Bolt tightening sequence

Table 1
Specification for 326-0572 Air Lines Gp 
Item  Qty  Part  Specification description 
10  322-4643 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. 
10  5F-4899 Bolt 
12  6V-5101 O-Ring Seal  Lubricate the bore lightly with glycerin or an approved equivalent. 


Illustration 3g02837420
Top view

Table 2
Specification for 326-0572 Air Lines Gp 
Item  Qty  Part  Specification description 
243-2975 Clamp As  Torque to 7.5 ± 1.0 N·m (66.4 ± 8.9 lb in)
6V-5103 O-Ring Seal  Lubricate the bore lightly with glycerin or an approved equivalent. 

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