Bearcat BC-2016/CRC, Instruction Manual, Page: 48 / 95

48
2016
visually appear right. Don’t try to calibrate at this point. Use the
Inc/Dec switch to adjust the rate until you are satisfied with the
mat. If the chipper has been sitting a while there may be rust
on the inside of the hopper. This can resist the flow of aggregate
causing you to increase your actual rate to compensate. The
layer of rust generally is gone or smooth after a few dump
trucks have been emptied.
b. Fine tune the calibration.
After every thing is warmed up, smoothed off and you have
stopped changing the rate, you can leave the rate setting
where it is and continue, or calibrate. If you continue without
calibrating and the actual rate is more than 20% different than
the display, you may notice a change in actual rate at different
speeds. To calibrate, on the display push the right arrow to
access the Settings Menu. Press the ❶ button to enter the
Settings Page. Press the ❶ button again to highlight the PSY/
Correction. Use the up/down arrows to enter the weight
correction. Ex. If the actual weight (pan weight) was 4lbs heavy
then enter -4 to correct and press OK. Ex. If the tarp weight
was 10 lbs light then enter 10 to correct and press OK. This
will change your actual rate to whats displayed so now change
the displayed weight the same amount you corrected the PSY/
Correction. Sounds Confusing.
For example, you visually adjusted the rate and were happy with
the mat at what was displayed as 30#.
The actual rate turns out to be 25#.
You calibrate and enter a -5# in the PSY/Correction.
Your display still says 30# so thats what the actual rate will be.
Now adjust your display rate to 25# and it will put the rate back
to where you liked it and the displayed rate and the application
rate will be the same.
Width Control
The two spread hoppers move hydraulically to compensate for spread
width. The two hoppers share a common strike-off plate that prevents
the hoppers from overlapping the spread in the center of the machine.
With all the gates selected “open” or “on” you can move the hoppers in
or out to compensate for width. Generally you can setup for a known
width on a highway job and make little changes throughout the day.
Then there are jobs that may require constant width adjustment.