above the collar, then hand-tighten the
vent cap.
10.6 Check for leaks and shut down the
engine.
Detroit
The only maintenance necessary on an Detroit
fuel/water separator is to replace the filter element.
See
Fig. 5.
1. Drain Valve
2. Drain Valve Cap
3. 120VAC Pre-Heater
4. Inlet Port/Check Valve
5. Lower Housing
6. Bypass Valve
7. 12VDC Pre-Heater
8. Filter Element
9. Spring
10. Cover O-Ring
11. Clear Cover
12. Vent Cap O-Ring
13. Vent Cap
14. Collar
Fig. 2, DAVCO Fuel Pro 487
02/16/2009
f470277
VENT CAP
FOR REMOVAL OF TOP COLLAR ONLY
Fig. 3, Collar Wrench
1. Arrow (on the
endplate)
2. Keyway
3. Separator Plate
4. Key
5. Endplate
Fig. 4, Positioning the Filter Element
Fuel 47
Business Class M2 Plus Maintenance Manual, 02/10/2023 47/3
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