PIPE GP-EXHAUST 7C6450 - Caterpillar

Illustration 1 g01614656
Typical example
Right side view of engine
Illustration 2 g02551138
Typical example
Bolt tightening sequence
Table 1
Specification for 261-7281 Air Lines Gp and 268-0015 Air Lines Gp
Item Qty Part Specification Description
1 - - Before assembly, lightly lubricate the bore of the O-ring seals with glycerin or an approved equivalent.
2 6 8J-5985 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 that is shown in Illustration 2 to 24 N m (212 lb in).
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.
3 2 3J-5389 Plug Before assembly, lubricate the threads with Loctite C5A Copper Anti-Seize.
Torque to 25 5 N m (221 44 lb in).