3500B Engines Caterpillar

Illustration 1	g00280584
Front view (typical example)

(1) Plug

Apply 4C-5598 High Temperature Anti-Seize to the threads of the plug.

Torque ... 20 ± 5 N·m (15 ± 4 lb ft)

(2) Bolt

Apply 4C-5598 High Temperature Anti-Seize to the threads of the bolts that attaches the exhaust elbow.

Illustration 2	g00280588
Right side (typical example)

Illustration 3	g00115247
Bolt tightening sequence (3508B)

Illustration 4	g00280590
Bolt tightening sequence (3512B)

Illustration 5	g00280589
Bolt tightening sequence (3516B)

(3) Bolt

Use the following procedure to tighten the bolts for the aftercooler:

1. Assemble seals to the aftercooler core.

2. Temporarily secure the bottom seal with tape. Do not use an adhesive, a silicone lubricant, or any other lubricant for retention of the seal.

3. Assemble the aftercooler with the seals to the inlet manifold.

4. Inspect the bottom seal in order to ensure that the seating in the recess is correct.

5. Install the aftercooler cover.

6. Inspect the upper seal in order to ensure that the seating in the recess is correct.

7. Install the cover bolts and hand tighten the bolts.

8. Tighten the bolts according to the numerical sequence to the following torque.

   Torque ... 24 N·m (18 lb ft)

9. Tighten the bolts again according to the numerical sequence to the following torque.

   Torque ... 47 N·m (35 lb ft)

10. Remove the tape.