Model 108 FLEX-AUGER Installation Manual
FLEX-AUGER tube enters the building. Remember, these are only
examples. The layouts can be modified by changing the elbows, the
tube sections, and/or the distance from the bin to the building.
FLEX-AUGER Feed Delivery Systems operate best at an angle of no
more than 60 degrees from horizontal to the entry of the building at
the desired height. Chore-Time considers a 45 degree elevation
to be standard. The lower the angle, the more reliable the
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 an Extension Boot.
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, if possible. The drop tubes may be angled 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 allows 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 6"
per 50’ (150 mm per 15 m) of auger on initial installation.
After the system has been broken in, it may be necessary
to increase the auger stretch to prevent auger surging.
7. On any Extended Length System, balance the power requirements
between the power unit that takes feed from the bin and the power
unit on the Extended Length System.
To do this, determine the total length of the system and divide by
two. Subtract 20’ (6.1 m) from the standard system and add 20’ (6.1
m) to the extended system.
Example: On a 240’ (73 m) system, the center of the system would
be 120’ (36.5 m). Subtract 20’ (6.1 m) from standard system, and
add it to the extended length system. The first power unit should be
located approximately 100’ (30 m) down the system. Locate the
second power unit approximately 140’ (42.7 m) from the first power
unit.
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