Fairbanks Aegis Industrial Stainless - Manual (Page 10)

c. Cornering the scale: Place a load which is 25% of platform capacity upon
the scale at the corner 1 location. Note the indication. Proceed to each
successive corner with the weight and note each indication.
If corners require adjustment, place the load on the corner displaying the
lowest weight and use the appropriate potentiometer to change the displayed
weight to read the same as the highest reading by turning the potentiometer
clockwise (CW). Repeat the process, rechecking all corners until there is no
error. Perform a zero reference check with an unloaded platform, then
repeat the corner test to ensure all readings are the same before proceeding.
Upon completing corner adjustments, check the zero reference of the scale
and adjust if necessary.
When the corners are the same in reference to each other, final calibration
may be accomplished as follows:
1. Remove all weights.
2. Zero the indicator.
3. Perform the full scale calibration with test weights.
4. Follow the appropriate indicator service manual to ensure proper
calibration.
51103 10 01/07 -- Rev. 1
50604-4
NOTE: The platform junction box is preset at the factory by centering the adjusting pots.
Minimal corner adjustment should be required.
NOTE: Junction box assembly 67171 has four (4) extended range, multi-turn
potentiometers, one for each load cell. If you have difficulty adjusting the corners
on the platform, turn all potentiometers to the fully counter clockwise (CCW)
position until an audible clicking sound is heard when turned. With the weight on
the lowest reading corner, adjust the corresponding potentiometer clockwise (CW)
to indicate the same as the highest reading corner. Continue this process until
each corner is correct.