HOSE AS 4389247 - Caterpillar

Illustration 1 g01614613
Right side view of engine
Illustration 2 g01614614
View A-A
(1) Lubricate the bore for the O-ring seals with glycerin or an approved equivalent.
Illustration 3 g01614616
Bolt tightening sequence
(2) Use the following procedure in order to tighten the bolts of the aftercooler assembly:
Assemble the seals to the aftercooler core.
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.
Assemble the aftercooler with seals to the inlet manifold.
Inspect the bottom seal in order to ensure that the seal is seating correctly in the recess.
Install the aftercooler cover.
Inspect the upper seal in order to ensure that the seal is seating correctly in the recess.
Install the cover bolts. Hand tighten the cover bolts.
Tighten the bolts in the numerical sequence to 24 N m (18 lb ft).
Again, tighten the bolts in the numerical sequence to 47 N m (35 lb ft).
Remove the tape. (3) Torque for the bolts ... 120 20 N m (90 15 lb ft)
Illustration 4 g01614623
View B-B
Note: Lubricate the threads of the plugs with 4C-5599 Anti-Seize Compound before assembly. (4) Torque for two plugs ... 20 5 N m (15 4 lb ft)