Detroit Diesel MBE 4000 Service Manual page 251

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6. Drain fuel from the engine through the fuel gallery outlet on the return lines.
See Figure 2-3.
1. High-Pressure Fuel Injector Line
2. Hollow-Core Banjo Bolt
3. Seal Rings
Figure 2-3
[a] Remove the outer banjo bolt and fitting from the pressure limiting valve. Discard
the seal rings.
[b] Have a suitable container ready to catch any fuel that runs out of the cylinder
block or return lines.
[c] Unscrew the threaded end of the pressure limiting valve from the fuel gallery outlet.
[d] Remove the inner banjo fitting from the pressure limiting valve. Discard the seal
rings.
[e] Mark the fasteners with a paint pen for ease of installation.
[f] Clean out the fuel gallery outlet with compressed air.
NOTE:
This step is necessary to prevent fuel from contaminating the engine oil in the block.
7. Remove the end cover from the lower right side of the flywheel housing, then attach the
engine cranking tool (J 46167 or 407 589 00 63 00).
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Drain Fuel from the Return Lines
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MBE 4000 SERVICE MANUAL
4. Banjo Fitting
5. Pressure Limiting Valve
6. Fuel Gallery Outlet
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2-5
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