Detroit Diesel MBE 4000 Service Manual page 544

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SCHEDULED INTERVALS

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[c] Screw the pre-filter element onto the separator head and tighten firmly, using hands

Do not use tools to tighten the pre-filter element.

8. Insert the filter element into the pre-filter housing and screw the cap onto the housing.

Tighten the cap 25 N·m (18 lb·ft).

9. Tighten the drain plug.

10. Bleed the fuel system.

[a] Make sure that all high-pressure lines have been tightened to 25 N·m (18 lb·ft)

and all banjo bolts to 50 N·m (37 lb·ft).

Correct torque on the high pressure lines is critical. Incorrect

torques could result in leaks or lack of power due to restricted

[b] If equipped with a hand pump on the fuel/water separator, work the hand pump

There should be a strong resistance in the hand pump, caused by the pressure build-up

within the fuel system.

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All information subject to change without notice.

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