Detroit Diesel MBE 4000 Service Manual page 444

7.3 EGR EXHAUST MANIFOLD
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3. Install the fey rings (2 in each groove) in the two grooves of each exhaust manifold end
piece. See Figure 7-16.
1. Fey Rings (2 per groove)
Figure 7-16
4. Fit fey-ring ends of exhaust manifold pieces into center part of exhaust manifold. Do not
use lubricant. See Figure 7-12.
5. Bolt upper heat shield to exhaust manifold using the six mounting bolts (M8 x 12mm).
Finger-tighten all of the bolts, but torque the first bolt nearest the front part of the
manifold to 25 N·m (19 lb·ft).
NOTE:
Upper heat shield bolt that is closest to front of engine is torqued before assembly is
attached to engine due to impossible access after attachment to engine.
6. Bolt the lower heat shield to the upper heat shield with one captured bolt and washer
(M8 x 12mm). Torque to 25 N·m (19 lb·ft).
7. Install the entire exhaust manifold assembly onto the cylinder heads by lifting the right side
(or front) into place first, followed by the left (or rear). Install all exhaust manifold bolts,
and then torque all 12 mounting bolts to 50 N·m (38 lb·ft), using a crisscross sequence.
8. Torque remaining three mounting bolts (captured bolt and washer type) of the lower heat
shield to the exhaust manifold. Torque to 25 N·m (19 lb·ft).
9. Torque remaining five mounting bolts (captured bolt and washer type) of the upper heat
shield to the exhaust manifold. Torque to 25 N·m (19 lb·ft).
7-24
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Installing or Removing Rings in Exhaust Manifold Grooves
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2. Exhaust Manifold Grooves
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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