Case CX490D, Руководство оператора

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6 - MAINTENANCE
When necessary
Fuel feed pump
WARNING
Flying debris!
Compressed air can propel dirt, rust, etc. into the air. Wear eye and face protection when using com-
pressed air.
Failure to comply could result in death or serious injury.
W0307A
Clean the electromagnetic fuel feed pump periodically
The fuel feed pump is located behind the fuel pre-filter.
To clean the feed pump proceed as follows:
1. Place a container with an appropriate capacity under
the feed pump.
2. Close the fuel cut valve.
3. Disconnect the electric cable from the feed pump.
Carefully disconnect the fuel lines from the feed pump.
4. Remove the mounting screws and take out the feed
pump for cleaning.
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1
5. Open the pump body, and pull out the filter (2) and the
seals (1) and (3) .
6. Clean the filter by compressed air. Check the filter, and
replace it if necessary.
7. Replace the seals (1) and (3) .
8. Clean the body (4) and the cover (5) carefully.
Make sure that the feed pump is free from the accumu-
lation of dirt.
9. Attach the seals (1) and (3) to the filter (2) in the correct
order, then carefully insert the seals and the filter into
the pump body. Close the cover
(5) onto the pump body
(4) .
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10. Install the feed pump with the mounting screws.
11. Connect the fuel lines to the feed pump. Connect the
electric cable to the feed pump.
12. Bleed the fuel system. Refer to page 6-11 .
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