Rice Lake ELS Series User manual

ELS Series
Elevated Load Cell Stands
Installation Manual
PN 213042 Rev AApril 27, 2022

© Rice Lake Weighing Systems. All rights reserved.
Rice Lake Weighing Systems® is a registered trademark of
Rice Lake Weighing Systems.
All other brand or product names within this publication are trademarks or
registered trademarks of their respective companies.
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.
The most current version of this publication, software, firmware and all other product
updates can be found on our website:
www.ricelake.com

Revision History
© Rice Lake Weighing Systems ● All Rights Reserved i
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.
Revision History
This section tracks and describes the current and previous manual revisions for awareness of major updates and when the
updates took place.
Revision Date Description
A April 27, 2022 Initial manual release with the launch of the product
Table i. Revision Letter History

Contents
Elevated Load Cell Stands
ii Visit our website www.RiceLake.com
Rice Lake continually offers web-based video training on a growing selection
of product-related topics at no cost. Visit www.ricelake.com/webinars
1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.3 Product Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.4 ELS Series Weigh Stand Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4.1 ELS Mild Steel Kit Varieties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4.2 ELS Stainless Steel Kit Varieties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5 Grounding Straps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Site Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Width Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Height Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.6 Support Brace Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.6.1 Conveyor Applications Greater Than 3 Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.6.2 Conveyor Applications Less Than 3 Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.7 Conveyor Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.8 Weigh Stand Installation to the Floor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.9 Overload Bolt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.10 Load Cell Guard Plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.11 Junction Box Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.12 Junction Box Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.12.1 Junction Box Expansion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.12.2 Connect to the Indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.12.3 Liquid Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.13 Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.13.1 Mild Steel Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.13.2 Stainless Steel Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.0 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.1 Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.1.1 Load Cell Bearing Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.2 Load Cell Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Introduction
© Rice Lake Weighing Systems ● All Rights Reserved 1
1.0 Introduction
1.1 Overview
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.
Manuals and additional resources are available from Rice Lake Weighing Systems at www.ricelake.com/manuals
Warranty information can be found on the website at www.ricelake.com/warranties
1.2 Safety
Safety Signal Definitions:
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. Includes
hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death. Includes
hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate injury.
Indicates information about procedures that, if not observed, could result in damage to equipment or corruption
to and loss of data.
General Safety
Do not operate or work on this equipment unless this manual has been read and all instructions are understood.
Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake
Weighing Systems dealer for replacement manuals.
Failure to heed could result in serious injury or death.
Do not allow minors (children) or inexperienced persons to operate this unit.
Do not operate without all shields and guards in place.
Do not jump on the scale.
Do not use for purposes other then weight taking.
Do not place fingers into slots or possible pinch points.
Do not use any load bearing component that is worn beyond 5% of the original dimension.
Do not use this product if any of the components are cracked.
Do not exceed the rated load limit of the unit.
Do not make alterations or modifications to the unit.
Do not remove or obscure warning labels.
Before opening the unit, ensure the power cord is disconnected from the outlet.
Keep hands, feet and loose clothing away from moving parts.
DANGER
WARNING
CAUTION
IMPORTANT
WARNING

Elevated Load Cell Stands
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1.3 Product Dimensions
Figure 1-1. Product Diagram
Letter Kit Variation Minimum Dimension Maximum Dimension
ASmall 22 in (55.88 cm) 28 in (71.12 cm)
Large 29 in (73.66 cm) 36 in (91.44 cm)
B All 30 in (76.20 cm) 66 in (167.64 cm)
C
Small 17 in (43.18 cm) 24 in (60.96 cm)
Medium 25 in (63.50 cm) 36 in (91.44 cm)
Large 37 in (93.98 cm) 54 in (137.16 cm)
D
Small 22 in (55.88 cm) 28 in (71.12 cm)
Medium 29 in (73.66 cm) 40 in (101.60 cm)
Large 41 in (104.14 cm) 58 in (147.32 cm)
Table 1-1. Product Dimensions
A
B
DC

Introduction
© Rice Lake Weighing Systems ● All Rights Reserved 3
1.4 ELS Series Weigh Stand Kits
The ELS Weigh Stands come in either mild steel or stainless steel options.
1.4.1 ELS Mild Steel Kit Varieties
ELS-250 Mild Steel Weigh Stands
ELS-500 Mild Steel Weigh Stands
ELS-1000 Mild Steel Weigh Stands
PN Description
212655 ELS-250 Kit, 23-28 in Height, 18-24 in Width
212656 ELS-250 Kit, 29-36 in Height, 18-24 in Width
212569 ELS-250 Kit, 23-28 in Height, 25-36 in Width
212660 ELS-250 Kit, 29-36 in Height, 25-36 in Width
212957 ELS-250 Kit, 23-28 in Height, 37-54 in Width
212958 ELS-250 Kit, 29-36 in Height, 37-54 in Width
Table 1-2. ELS-250 Mild Steel Kits
PN Description
212661 ELS-500 Kit, 23-28 in Height, 18-24 in Width
212662 ELS-500 Kit, 29-36 in Height, 18-24 in Width
212663 ELS-500 Kit, 23-28 in Height, 25-36 in Width
212665 ELS-500 Kit, 29-36 in Height, 25-36 in Width
212953 ELS-500 Kit, 23-28 in Height, 37-54 in Width
212954 ELS-500 Kit, 29-36 in Height, 37-54 in Width
Table 1-3. ELS-500 Mild Steel Kits
PN Description
212666 ELS-1000 Kit, 23-28 in Height, 18-24 in Width
212667 ELS-1000 Kit, 29-36 in Height, 18-24 in Width
212669 ELS-1000 Kit, 23-28 in Height, 25-36 in Width
212670 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

Elevated Load Cell Stands
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1.4.2 ELS Stainless Steel Kit Varieties
ELS-250 Stainless Steel Weigh Stands
ELS-500 Stainless Steel Weigh Stands
ELS-1000 Stainless Steel Weigh Stands
PN 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 ELS-250 Kit, 23-28 in Height, 37-54 in Width
213284 ELS-250 Kit, 29-36 in Height, 37-54 in Width
Table 1-5. ELS-250 Stainless Steel Kits
PN Description
213292 ELS-500 Kit, 23-28 in Height, 18-24 in Width
213293 ELS-500 Kit, 29-36 in Height, 18-24 in Width
213294 ELS-500 Kit, 23-28 in Height, 25-36 in Width
213295 ELS-500 Kit, 29-36 in Height, 25-36 in Width
213296 ELS-500 Kit, 23-28 in Height, 37-54 in Width
213297 ELS-500 Kit, 29-36 in Height, 37-54 in Width
Table 1-6. ELS-500 Stainless Steel Kits
PN Description
213304 ELS-1000 Kit, 23-28 in Height, 18-24 in Width
213305 ELS-1000 Kit, 29-36 in Height, 18-24 in Width
213306 ELS-1000 Kit, 23-28 in Height, 25-36 in Width
213307 ELS-1000 Kit, 29-36 in Height, 25-36 in Width
213308 ELS-1000 Kit, 23-28 in Height, 37-54 in Width
213309 ELS-1000 Kit, 29-36 in Height, 37-54 in Width
Table 1-7. ELS-1000 Stainless Steel Kits

Introduction
© Rice Lake Weighing Systems ● All Rights Reserved 5
1.5 Grounding Straps
The grounding straps connected to the ELS weigh stands are used to ground the conveyor to the floor. If the system is not
properly grounded, static can build up and cause damage to the load cells once the static discharges. The grounding straps
protect the load cells by providing an alternate path for the static discharge to travel.
The grounding straps are located on each load cell assembly and connect the load cell top plate to the mounting plate.
Figure 1-2. Grounding Straps
The grounding straps must be connected to the weigh stands at all times.
Grounding Strap
IMPORTANT

Elevated Load Cell Stands
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2.0 Installation
This section provides procedures for the proper installation of the ELS Series weigh stands.
2.1 Site Selection
Select a site where there is no chance of overload weights crossing the platform. Avoid areas where the scale might receive
damaging side impacts from wheels or forklift tines, shock damage from falling objects or where water may damage the scale.
The indicator cable must be protected against crushing, cutting and moisture damage. If the chosen site has such potential
dangers, some method of protection, such as running the cable in conduit, will be necessary.
In operation, the ELS weigh stands must be level within 1/8 of an inch. Either choose a site where the floor is close to this
standard to avoid excessive shimming, or modify the floor at the chosen site to meet this standard.
Ensure the area is clear and free of any debris.
2.2 Site Preparation
To prepare the site for the ELS weigh stands.
1. Remove the existing conveyor, if needed.
2. Remove the existing conveyor stands that will be replaced with the ELS weigh stands, if needed.
3. Clean the site thoroughly to ensure the area is free of any debris.
2.3 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.
2.4 Width Adjustment
1. Loosen the load cell cable mounting clips.
2. Measure the distance between the center points of the lower conveyor channels. See Figure 2-1 for the center points
marked along the conveyor channels.
Figure 2-1. Conveyor Channel Measurement Points
3. Remove the bolts from the weigh stand mounts. See Figure 2-2.
4. Adjust the width of the weigh stands to the measurement found in Step 2.
The conveyor channels must be centered on the conveyor mount plates. The width of the weigh stands can be
adjusted in 1-inch increments.
5. Align the width adjustment of the weigh stand mounts to the nearest overlapping bolt holes.
6. Hold a tubing spacer within the bolt holes inside the width adjustment bar.
IMPORTANT
Note