Secondary Extractor
This is the final stage in the cleaning process. As the cane falls from the end of the elevator into the transport, the secondary extractor, also using a fan, removes the remaining loose material. Separated debris is directed away from the transport and harvester by using the rotating secondary extractor hood.
Operating Secondary Extractor
1.
Performance decreases as fan blades wear. Balancing may be necessary during the lifetime of the blades. Blades should
always
be replaced before they are badly worn.
2.
Always
run harvester at full throttle to achieve maximum cleaning from the extractor.
3.
Debris should be removed immediately to achieve maximum cleaning capability.
4.
Remove any cane debris or weeds that lodge between the fan hub and support structure.
5.
Keep extractor bearings lubricated.
6.
Built-up dirt (as shown) should be cleaned regularly from shields.
7.
Vibrations in the extractor area of the harvester should be monitored continuously. As blades wear, the fan can become unbalanced and may vibrate. Running an unbalanced fan can cause severe damage to the harvester. Always balance new blades after they are installed to the hub. See Service Section for more information.
A-Wear
B-Dirt
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