Product Manual

0065-0834-0M Rev C • 8500/8550 Service Manual
4
A. Equipment Required
Scale under test
Standard Hand tools
Test Weights: Appropriate certified weights to accomplish the linearity tests
B. Setup - HI RES MODE (MV2 ONLY, OTHERWISE GO TO STEP C.)
1. Assemble scale.
2. Plug unit into power.
3. For KGEU models, first go to the setup table and Calibrate the scale. Next, return
here to the initiate the HI RES mode for the scale trim adjustment. Then recheck the
capacity weight and recalibrate if necessary.
4. Enter Setup Review:
With the MV2 on press and hold the CLEAR (←) key
When the screen says SETUP
Release the CLEAR (←) key
Press ENTER until you see the HIGH-RESOLUTION prompt
Change HIGH RESOLUTION to YES and press ENTER
Exit setup review mode
C. Scale Trim Adjustment
1. Gain access to the junction box and remove the cover.
2. Place a test weight of at least 25 percent of scale capacity on each corner, one at a
time, and record each displayed weight.
3. Place test weight on the corner with the highest displayed weight and adjust
appropriate trim potentiometer counterclockwise until corner reading agrees with the
lowest weight reading.
4. Repeat Step No. 3 until all corners are within tolerance. (For KGEU models, the
tolerance is +/-0.03).
5. If any trim pot reaches the end of adjustment in the CCW direction then turn all
potentiometers clockwise 25 turns or until a click is heard. Now turn all
potentiometers counterclockwise 1 (one) turn and repeat steps 2 - 4.
6. Turn the power off.
D. Calibration
1. To begin Calibration and Setup, make sure the MV1 indicator is turned on.
2. Next, looking at the front of the MV1, remove the two screws from the left end cap
and remove the end cap.
3. Locate the calibration switch access hole near the bottom of the side panel, and
insert a small hex wrench or tool through the access hole.
4. Press and hold the calibration switch until the display changes to show SETUP in
large letters at the top of the display, and SCALE in smaller letters at the bottom.
5. Release the calibration switch. You are now ready to perform calibration.
6. During setup and calibration, pressing the PRINT/ENTER key will cause the data
displayed, to be retained and the indicator to advance to the next prompt. Change the
value by entering the new data using the numeric keypad, and then pressing the
PRINT/ENTER key.
7. Follow the prompts listed in the MV1 SETUP TABLE.