Altralite Portable Low-Profile Floor Scale
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4.3 Load Cell Replacement
Follow the direction below to remove old load cells:
1. Lift scale with chains and proper spreader bar and remove foot then remove defective load cell.
2. Disconnect load cell cable from junction box and cut cable ties.
3. When the cable is freed, pull cable out of the scale frame channels.
Figure 4-1. Load Cell Assembly
Follow the directions given below to install new load cells.
1. To reset overload stops after load cell installation, place a weight equal to 25% of the load cell capacity on the affected
scale corner.
2. Screw in the overload stop until the indicator reading changes then back off the overload stop 1/6 turn.
Repeat for each corner where the load cell has been changed.
3. Lay out the four load cells near the corners where they are to be installed.
4. Thread the cable from each load cell through the conduit tubing in the frame and into the junction box according to the
wiring diagram in
.
In
both the scale and the junction box are viewed from the bottom. To verify correct load cell/junction box
terminal matching, see the numbers on the terminals inside the junction box and the corner numbering diagram in
Figure 4-2. Bottom View of Scale
Note
Note
Cell 3
Cell 2
Cell 4
Cell 1
3
4
2
1
