Detroit Diesel MBE 4000 Service Manual page 472

7.6 EPV (ELECTRONIC PROPORTIONAL VALVE) AND WABCO
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To avoid injury from the sudden release of a high-pressure
hose connection, wear a face shield or goggles.
2. Disconnect the compressed air pipe between inlet connection installed at EPV valve
and turbo brake actuator. See Figure 7-42.
1. EPV (Electronic Proportional Valve)
2. Wastegate
3. Electric Wiring Harness Terminals
4. Wabco Valve
5. Solenoid Valve Mounting Bolts
Figure 7-42
3. Remove the smaller hollow screw below the larger hollow screw.
4. Disconnect the inlet and outlet connections at EPV pressure regulating valve.
5. Remove the large hollow screw in threaded connection.
6. Remove the two M8 x 50 mm bolts that hold the EPV valve on the left side of bracket.
7. Remove the two M8 x 50 mm bolts that hold the Wabco solenoid valve on the right
side of bracket.
7-52
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PERSONAL INJURY
Installing the EPV Valve / Wabco Solenoid Valve
®
AIR SOLENOID VALVE
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6. Large Hollow Screw
7. Small Hollow Screw
8. EPV Valve Inlet
9. EPV Valve Outlet (hidden)
10. EPV Valve Mounting Bolts
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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