Xpress WeighSouth WSI-600 Operation Manual - page 22
Servicing your scale
22
Operation and Service Manual September 2005
WSI-600
6.3
Load cell replacement
1. Unplug the unit and remove batteries.
2. Remove the 4 screws securing the front and back parts of the indicator’s cover.
3. Disconnect the load cell cable from the controller PCB.
4. Remove the platter.
5. Loosen and remove the top load cell mounting bolts that secure the top frame to
the load cell.
6. Set the top frame and the load cell spacer aside.
7. Turn the scale on its side to access the bottom load cell bolts.
8. Loosen and remove the bottom load cell mounting bolts.
9. Remove the load cell from the bottom frame and pull the excess cable out
through the bottom of the column.
10. Lubricate the threads under the head of the load cell mounting bolts.
11. Reinstall a new load cell by following the steps above in reverse order.
Using a torque wrench, tighten the load cell mounting bolts to 30 Nm/22 ft/lb.
12. Plug in unit and/or insert the batteries.
13. Press and hold
for 3 seconds.
14. Recalibrate and test the operation of the new load cell.
Final works
• Adjust the overload stops, see page 23.
6.4
Top and/or bottom frame replacement
1. Unplug the unit and remove batteries.
2. Remove the platter.
3. Loosen and remove the top load cell mounting bolts that secure the top frame to
the load cell.
4. Set the top frame and the load cell spacer aside.
5. Turn the scale on its side to access the bottom load cell bolts.
6. Loosen and remove the bottom load cell mounting bolts.
7. Remove the load cell from the bottom frame.
8. Lubricate the threads under the head of the load cell mounting bolts.
9. Reinstall a new top and/or bottom frame by following the steps above in reverse
order.
Using a torque wrench, tighten the load cell mounting bolts to 30 Nm/22 ft/lb.
10. Plug in unit and insert the batteries.
11. Press and hold
for 3 seconds.
12. Recalibrate and test the operation of the new frame.
On/Off
On/Off