OHAUS Valor 2000 - Adjusting Off Center Load

CHAPTER 4 TESTING
Ohaus Corporation www.ohaus.com 4-6 Valor™ 2000 Series Service Manual
4.4.5 Adjusting Off Center Load
If the Off Center Load (OCL) is excessive, perform adjustment as follows:
Figure 4-2. Scale drawing of Valor 2000 Load Cell and Weighing Pan.
1. Place the test weight in the center of the Weighing Pan.
2. Tare the balance.
3. Move the weight to point A and record the reading.
4. Move the weight to point B and record the reading.
5. Move the weight to point C and record the reading.
6. Move the weight to point D and record the reading.
7. If the reading at point A is negative, file at points 1 and 4 AT AN ANGLE.
8. If the reading at point B is negative, file at points 1 and 2 STRAIGHT ACROSS.
9. If the reading at point C is negative, file at points 2 and 3 AT AN ANGLE.
10. If the reading at point D is negative, file at points 3 and 4 STRAIGHT ACROSS.
Note: It is not recommended that you try to adjust more than –5 counts if the beam has
been filed already. If the beam has not been filed previously, you can adjust –10 counts.
Remember, when filing you are weakening the beam. File a little at a time.
Top view of Load Cell
Weighing Pan’s
center, with points
A – D indicated
Side view of Load Cell
1
2
3
4