Detroit Diesel MBE 4000 Service Manual page 56

1.2 CYLINDER HEAD
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Do not move the thrust bolt, because there is danger of
causing a change in the position of the transfer tube. If
the position of the transfer tube is changed, engine damage
could result.
6. Using two wrenches, loosen the high-pressure injector line fittings. See Figure 1-4.
1. Pump-End Fitting
2. High-Pressure Injector Line
Figure 1-4
[a] Using a paint pen, mark the location of the thrust bolt.
[b] Place one wrench on the thrust bolt to secure the transfer tube. Place the other
wrench on the high-pressure line fitting.
[c] Turn the wrench on the high-pressure line fitting while holding the other wrench
on the thrust bolt.
7. Remove the high-pressure injector line from the head and unit pump.
8. To prevent any dirt from entering, cover the openings in the unit pump and the transfer
tube.
1-8
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NOTICE:
High-Pressure Line Fittings
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3. Transfer-Tube Fitting
4. Thrust Bolt
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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