VALVE-GOVERNOR SERVO 8N2505 - Caterpillar

Illustration 1 g02022984
Right side view
Typical example
Illustration 2 g01981014
Top view
Typical example
Illustration 3 g01981033
Bolt tightening sequence
Note: Before assembly, lubricate the threads, bearing surfaces and the inside diameter of the V-band clamps with 4C-5599 Anti-Seize Compound. (1) Torque for the V-band clamps ... 7.5 1.0 N m (66.4 8.9 lb in) (2) Ensure that the bellows are assembled in the proper flow direction. The flow direction is indicated on bellows by an arrow. (3) Lubricate the bore for the O-ring seals lightly with glycerin or an approved equivalent. (4) Use the following procedure in order to assemble the aftercooler assembly and tighten the bolts:
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 a numerical sequence that is shown in Illustration 3 to 24 N m (212 lb in).
Again, tighten the bolts in a numerical sequence that is shown in Illustration 3 to 47 N m (35 lb ft).
Remove the tape.