HARNESS AS-WORK TOOL 1654894 - Caterpillar

Illustration 1 g00756632
Illustration 2 g00593641
Bolt tightening sequence
(1) Plug
Apply 4C-5598 High Temperature Anti-Seize to the threads.
Tighten the plug. Torque ... 20 5 N m (15 4 lb ft) (2) Bolt Torque ... 120 20 N m (90 15 lb ft) (3) Bolt Tighten the bolts for the aftercooler according to the following procedure:
Assemble seals to the aftercooler core.
Temporarily secure the bottom seal with tape. Do not use an adhesive, a silicone lubricant, or any other lubricant for retention of the seal.
Assemble the aftercooler with the seals to the inlet manifold.
Inspect the bottom seal in order to ensure that the seating in the recess is correct.
Install the aftercooler cover.
Inspect the upper seal in order to ensure that the seating in the recess is correct.
Install the cover bolts and hand tighten the bolts.
Tighten the bolts according to the numerical sequence. Torque ... 24 N m (18 lb ft)
Tighten the bolts again according to the numerical sequence. Torque ... 47 N m (35 lb ft)
Remove the tape.