Detroit Diesel MBE 4000 Service Manual page 543

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1. Loosen the bleed screw. See Figure 13-1.
1. Hand Pump
2. Separator Head
3. Bleed Screw
4. O-ring
Figure 13-1
2. Unscrew the drain plug and drain the fuel in the pre-filter.
3. Twist off the sight bowl and remove the filter element from the separator head.
4. Separate the sight bowl from the filter element. Clean the sight bowl. Discard the old
filter element and both O-rings.
5. Replace the filter element and O-rings.
6. Assemble the sight bowl and the pre-filter element.
[a] Lubricate one O-ring with a light coating of engine oil.
[b] Insert the lubricated O-ring into the sight bowl.
[c] Screw the pre-filter element and sight bowl together.
7. Assemble the pre-filter element and the separator head.
[a] Lubricate the other O-ring with a light coating of engine oil.
[b] Insert the lubricated O-ring into the open end of the pre-filter element.
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Fuel /Water Separator
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MBE 4000 SERVICE MANUAL
5. Pre-Filter Element
6. Sight Bowl
7. Drain Plug
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13-9
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