SLEEVE 4S8706 - Caterpillar

Illustration 1 g03392991
Illustration 2 g03392992
Bolt tightening sequence
Table 1
Specification for 398-7718 Air Lines Gp
Item Qty Part Specification Description
1 4 6V-5103 O-Ring Seal Before assembly, lightly lubricate the bore with glycerin or an approved equivalent.
2 4 6V-3917 O-Ring Seal Before assembly, lightly lubricate the bore with glycerin or an approved equivalent.
3 10 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 (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.
Illustration 3 g03392993
Rear View
Table 2
Item Qty Part Specification Description
4 12 6V-5101 O-Ring Seal Before assembly, lightly lubricate the bore with glycerin or an approved equivalent.
5 3 3J-5389 Plug Before assembly, lubricate the threads with Loctite C5A Copper Anti-Seize.
Torque to 20 5 N m (177 44 lb in).