Detroit Diesel MBE 4000 Service Manual page 469

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14. Remove the four bolts that attach the air intake pipe to the gas mixer. Remove the metal
gasket as well. See Figure 7-41.
1. Air Inlet Mixer Mounting Bolts (2 qty.)
2. EGR Gas Mixer
Figure 7-41
15. Remove the two bolts that attach the EGR gas mixer to the intake manifold.
See Figure 7-41. Pull gas mixer off of four long studs away from intake manifold.
16. Unscrew the four studs from intake manifold.
17. Remove the metal gasket.
7.5.2
Install the EGR control valve and gas outlet pipe as follows:
1. Insert a symmetric membrane into the reed valve housing flange using industrial
petroleum jelly. See Figure 7-38.
2. Insert the EGR control valve onto this membrane using petroleum jelly.
3. Install the back two bolts of the EGR control valve (M8 x 90 mm). Install the front two
bolts (those closest to the front lifter bracket) of the EGR control valve (M8 x 40 mm).
Torque all bolts to 25 N·m (19 lb·ft).
4. Using two bolts, install the back control valve bracket that holds the wiring harness
terminal in place. Torque to 25 N·m (19 lb·ft).
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Removal of EGR Gas Mixer
Installation of EGR Control Valve, Gas Outlet Pipe, and Gas Mixer
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3. Air Inlet Pipe
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MBE 4000 SERVICE MANUAL
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7-49
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