Rice Lake BenchMark HD User Manual
Benchmark hd series, Installation manual
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Table of contents
Document Outline
- Heavy Duty Bench Scale
- Installation Manual
- Content
- Benchmark Series Limited Warranty 10
- © Rice Lake Weighing Systems. All rights reserved. Printed in the United States of America.
- Specifications subject to change without notice.
- Rice Lake Weighing Systems is an ISO 9001 registered company.
- November 19, 2014
- 1.0 Introduction
- 2.0 Installation
- 3.0 Calibration
- 4.0 Troubleshooting
- 5.0 Replacement Parts
- 5.1 Load Cell Replacement
- Figure 5-1. 30'' x 30'' or 36'' by 36'' Load Cell Mount
- 1. Unplug AC power from the indicator and disconnect the load cell cable from the indicator.
- 2. Lift off the scale top cover and locate the four upper load cell screws. Use a 1/2" wrench to unscrew and remove those four load cell screws. Refer to Figure 5-1 for their location.
- 3. Lift off the scale’s top frame.
- 4. Remove the spacer between the load plate and load cell and set it aside.
- 5. Loosen the four overload stop screws and turn each screw in one turn to provide ample clearance for the new load cell.
- 6. Turn the scale over and back off the overload protection screw one complete turn to provide clearance.
- 7. Unscrew and remove the lower load cell screws.
- 8. Remove the bottom shim beneath of the load cell and set it aside.
- 9. Remove the load cell and cable from the scale.
- 10. Position the bottom shim directly beneath the load cell and screw in the lower load cell screws. NOTE: Torque bolts to 200 in-lbs.
- 11. Turn the scale upright. Position the spacer plate on the load cell, then place the top frame into position.
- 12. Screw in the four upper load cell screws. NOTE: Torque bolts to 200 in-lbs.
- 13. Connect the load cell cable to the indicator.
- 14. Recalibrate the scale as described in Section 3.0 on page 3 of this manual.
- 15. Adjust the load cell overload protection screws on the bottom of the scale by loading the scale to 125% capacity. Place this weight on the top cover, centered on the platform. Use a hex wrench to screw in the load cell overload protection screw u...
- 16. Recheck calibration.
- 17. To reset corner overload stop screws, load the top spider over one corner with approximately 30% of scale capacity.
- 18. Adjust the screw under that corner to just touch the top frame.
- 19. Place a drop of a non-permanent, high-strength locking compound such as Loctite® on the thread.
- 20. Back screw off slightly so it is not touching the top frame.
- 21. Repeat for each corner.
- 22. Replace the top cover and re-level the scale if necessary.
- 5.2 Replacement Parts
- Benchmark Series Limited Warranty
- 5.1 Load Cell Replacement