GrowerSELECT® Installation Manuals Binder

Hog Slat Inc. Newton Grove, NC USA August 2016 9 Grow-Flex TM Feed System 2. Lay out the system as straight as possible. Avoid extra elbows and curves by locating the feed bin in line with the feeders. One horizontal 90 degree turn is permissible inside the building. 180 degree turns are not recommended under any conditions. If additional turns or elbows are required, use extension hoppers. Remember: one 90 degree elbow requires the same power as 30’ (9.1 m) of straight line. 3. Plan the system so that the auger tubes are directly over the feeders or hoppers to be filled as possible. The drop tubes may be angled up to a maximum of 45 degrees from the vertical if necessary. At angles greater than 45 degrees, bridging in the drop tubes may occur. 4. The control unit must be located over a feeder or hopper that will require as much or more feed than any of the other feeders or hoppers. If frequent filling is desired, mount the drop tube switch or hopper level switch low so that this feeder or hopper will have a low feed level. This causes the feeder to call for feed more often, the system will restart, and the other feeders will be refilled sooner. 5. Do not locate outlet drops on or just before an elbow. Install the drop after the elbow so feed will cushion the auger through the curve. If there is some reason why the outlet drop cannot be moved, it must have some “feed bypass” to cushion the auger through the elbow. 6. Avoid horizontal left-hand turns if possible. The elbow in a left-hand turn is not cushioned by the feed and will wear faster. On systems with a 90 degree horizontal left-hand turn, reduce the stretch to reduce wear. NOTE: A rule of thumb for left-hand turns is to reduce stretch to 1" per 50’ (25 mm per 15.2 m) on initial installation. Increase the stretch if necessary. If an extension hopper is used: A. Locate the hopper so there will not be any outlet drops on the short tube or elbow leading out of the hopper. B. The longer portion of the system with most of the outlet drops should follow the extension hopper. For example: in a 300’ (91.4 m) Model 75 System the distance from the bin to the extension hopper should be 100’ (30.5 m). From the extension hopper to the control unit should be 200’ (61 m) with most outlets placed on the 200’ (61 m) section. Refer to chart on page 8, for power unit requirements. C. NOTE: The lower part of the extension hopper can be turned 90 degrees to the left or right in relation to the top portion of the extension hopper. This allows the extension hopper to replace a horizontal elbow where both might be located in approximately the same position in the system. 7. Remember the following points when installing a Tandem System or Twin Tandem System: A. The Tandem bin arrangement uses one continuous auger. B. The Twin Tandem bin arrangement uses two separate augers and power units. C. Pour one level concrete pad for both bins (in either system). D. Position bins so that legs will not interfere with the GROW-FLEX Auger System (in either system). 8. Use the chart on page 8 to determine maximum line lengths and power unit requirements. 9. The minimum length specification for Grow-Flex auger on outside of building is: 15 feet for a single bin with a 30 degree boot, and 30 feet for a Tandem bin setup.

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