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Summary of Contents for Rice Lake ELS Series
- Page 1 ELS Series Elevated Load Cell Stands Installation Manual April 27, 2022 PN 213042 Rev A...
- Page 2 All information contained within this publication is, to the best of our knowledge, complete and accurate at the time of publication. Rice Lake Weighing Systems reserves the right to make changes to the technology, features, specifications and design of the equipment without notice.
- Page 3 Initial manual release with the launch of the product Table i. Revision Letter History Technical training seminars are available through Rice Lake Weighing Systems. Course descriptions and dates can be viewed at www.ricelake.com/training or obtained by calling 715-234-9171 and asking for the training department.
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Page 4: Table Of Contents
4.0 Specifications ............... . . 24 Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost. -
Page 5: Introduction
This manual provides installation instructions and maintenance recommendations on the ELS Series elevated load cell stands. The ELS Series weigh stands are designed to replace existing legs on a conveyor line to create an in-line scale or similar elevated weighing apparatus. The ELS Series offers kits that are available in three different weight capacities (250 lb, 500 lb and 1,000 lb) with each having six available configurations that offer varying height and width ranges. -
Page 6: Product Dimensions
Elevated Load Cell Stands Product Dimensions Figure 1-1. Product Diagram Letter Kit Variation Minimum Dimension Maximum Dimension Small 22 in (55.88 cm) 28 in (71.12 cm) Large 29 in (73.66 cm) 36 in (91.44 cm) 30 in (76.20 cm) 66 in (167.64 cm) Small 17 in (43.18 cm) 24 in (60.96 cm) -
Page 7: Els Series Weigh Stand Kits
ELS-1000 Kit, 29-36 in Height, 25-36 in Width 212949 ELS-1000 Kit, 23-28 in Height, 37-54 in Width 212950 ELS-1000 Kit, 29-36 in Height, 37-54 in Width Table 1-4. ELS-1000 Mild Steel Kits © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 8: Els Stainless Steel Kit Varieties
Elevated Load Cell Stands 1.4.2 ELS Stainless Steel Kit Varieties ELS-250 Stainless Steel Weigh Stands Description 213276 ELS-250 Kit, 23-28 in Height, 18-24 in Width 213278 ELS-250 Kit, 29-36 in Height, 18-24 in Width 213280 ELS-250 Kit, 23-28 in Height, 25-36 in Width 213282 ELS-250 Kit, 29-36 in Height, 25-36 in Width 213283... -
Page 9: Grounding Straps
The grounding straps are located on each load cell assembly and connect the load cell top plate to the mounting plate. Grounding Strap Figure 1-2. Grounding Straps The grounding straps must be connected to the weigh stands at all times. IMPORTANT © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 10: Installation
Unpacking Immediately after unpacking, visually inspect the ELS weigh stands to ensure all components are included and undamaged. If any parts are damaged or missing, notify Rice Lake Weighing Systems and the shipper immediately. Width Adjustment 1. Loosen the load cell cable mounting clips. -
Page 11: Height Adjustment
The height assembly can be adjusted in 1-inch increments. Shims provide height adjustment within 1/16 of an inch. Note 5. Insert the 3/8-16 x 1 inch bolts (that were removed in Step 3) through the weigh stand mount height channel. © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 12: Support Brace Installation
Elevated Load Cell Stands 6. Attach the lock washers and nuts to secure the bolts. Place one bolt in both the top and bottom overlapping extremes and place other bolts equally between. IMPORTANT Figure 2-3. Height Bolt Installation 7. Repeat the height adjustment steps for each weigh stand mount. Final height adjustment will need to be done when weigh stands are installed to the floor. - Page 13 9. Install two 3/8-16 x 2-1/2 inch bolts provided from the parts kit through holes created for the support brace. Figure 2-5. Support Brace Assembly Do not exceed a length of 6 feet in length for the support braces. IMPORTANT © Rice Lake Weighing Systems ● All Rights Reserved...
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Page 14: Conveyor Applications Less Than 3 Feet
Elevated Load Cell Stands 2.6.2 Conveyor Applications Less Than 3 Feet 1. Measure the length of the conveyor frame to determine the length for the support braces. 2. Attach one end of each support brace to one of the weigh stands. Figure 2-6. -
Page 15: Conveyor Installation
Figure 2-8. Conveyor Installation onto Mounting Plate 5. Repeat Steps 2 through 4 for installing the conveyor on each mounting plate. 6. See Section 2.6 on page 8 to finish installing the support braces © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 16: Weigh Stand Installation To The Floor
Elevated Load Cell Stands Weigh Stand Installation to the Floor 1. Make final positioning adjustments to the weigh stands. 2. Adjust the jack bolts to level the weigh stands. 3. Install the shims to support needed overall height of the weigh stands, as needed. Concrete Anchor Holes Jack Bolt Figure 2-9. -
Page 17: Overload Bolt Adjustment
2.10 Load Cell Guard Plate The load cell guards for the ELS Series weigh stands come shipped with two screws installed on the top and bottom sides of the load cell guard plate, protecting the load cell during shipment. Once the screws are removed, the nylon washers from the bottom screws will be installed onto the top side screws, between the mounting plates and the load cell guards. -
Page 18: Junction Box Installation
Elevated Load Cell Stands 2.11 Junction Box Installation 1. Verify there are no load cell mounting clips along the width assembly of the ELS Weigh Stand that will obstruct installation on the junction box. 2. Remove the load cell cable mounting clips, if needed. Figure 2-13. -
Page 19: Junction Box Wiring
Figure 2-15. Junction Box Board Cable Code Designated Color +Excitation -Excitation Black +Signal Green -Signal White Shield Bare Table 2-1. Cable Color Coding For junction box trimming, refer to TUFFSeal® Installation Manual (PN 184804). Note © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 20: Junction Box Expansion
It is possible to use this junction box with other combinations. Use the expansion port on the main board to connect multiple junction boxes in a series to accommodate more than two ELS weigh stands. Contact Rice Lake Weighing Systems for additional details on applications involving more than two weigh stands. -
Page 21: Connect To The Indicator
Figure 2-20. Drip Loop Cable All load cell cables need to be safely attached to proper locations to prevent loose wiring. Failure to correctly IMPORTANT attach will provide a safety hazard to the environment. © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 22: Replacement Parts
Elevated Load Cell Stands 2.13 Replacement Parts 23 22 Figure 2-21. Replacement Parts Diagram www.RiceLake.com Visit our website... -
Page 23: Mild Steel Replacement Parts
Lower Leg Wldt, 25-36 in Width 212918 Lower Leg Wldt, 37-54 in Width 14661 Nut, Jam 1/2-13 Hex Steel Zinc Plated Width Across Flats= 3/4 Thickness= 5/16 Table 2-2. Mild Steel Replacement Parts © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 24: Stainless Steel Replacement Parts
Elevated Load Cell Stands 2.13.2 Stainless Steel Replacement Parts Item No. Part No. Description 192309 Anchor, Concrete Wedge, 3/8-16 X 3-3/4, Steel Stud Anchor For Concrete 212710 ELS Foot Shim Plt, 1/16 in 212709 ELS Foot Shim Plt, 1/8 in 212708 ELS Foot Shim, 1/4 in ELS Assembly: see... -
Page 25: Maintenance
Maintenance 3.0 Maintenance This section provides details to properly maintain the ELS Series weigh stands. Periodic Maintenance The space beneath the weigh stands must be periodically cleaned to prevent debris buildup. Do not attempt to use scales with non-hermetically sealed load cells in washdown applications. Water damage IMPORTANT is a common cause of failure in non-hermetically sealed load cells. -
Page 26: Load Cell Replacement
Elevated Load Cell Stands Load Cell Replacement Replacement load cells can be ordered from Rice Lake Weighing Systems, please refer to the replacement parts section. See Section 2.13 on page 1. Brace the conveyor using proper equipment. 2. Loosen the load cell cable mounting clips. - Page 27 15. Re-install the load cell guard plate (Section 2.10 on page 13). Do not cut load cell cables. IMPORTANT Corner correction trimming and load cell calibration is necessary after the load cell replacement. Note © Rice Lake Weighing Systems ● All Rights Reserved...
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Page 28: Specifications
Elevated Load Cell Stands 4.0 Specifications Load cell: Four, RL32018 single-ended beam 250 lb capacity 500 lb capacity 1,000 lb capacity Cable length: 25 ft Warranty: Two-year limited Approvals: Load cells are FM approved www.RiceLake.com Visit our website... - Page 30 © Rice Lake Weighing Systems Specifications subject to change without notice. 230 W. Coleman St. • Rice Lake, WI 54868 • USA U.S. 800-472-6703 • Canada/Mexico 800-321-6703 • International 715-234-9171 • Europe +31 (0)26 472 1319 April 27, 2022 PN 213042 Rev A...
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