Detroit Diesel MBE 4000 Service Manual page 255

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2. Install the two new O-rings on the unit pump shaft. See Figure 2-7.
1. Inner (larger) O-ring
Figure 2-7
3. Install the injector unit pump into the cylinder block.
[a] Insert the injector unit pump into the mounting hole in the cylinder block.
[b] Use light hand pressure to push in the unit pump until it seats, about 4 mm (0.16
inch). If it won't seat easily, rotate the crankshaft until the unit pump seats.
NOTE:
Use the bolt mounting holes on the engine as a guide for positioning the injector pump.
4. Install the mounting bolts, and tighten 65 N·m (48 lb·ft).
5. Connect the engine wiring harness to the injector unit pump.
6. Remove the engine cranking tool and replace the inspection cover on the flywheel
housing. Tighten the inspection cover mounting bolts 25 N·m (18 lb·ft).
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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O-ring Installation
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MBE 4000 SERVICE MANUAL
2. Outer (smaller) O-ring
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2-9
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