Rice Lake Farm Bars User manual

Farm Bars

Animal Scale

Operation Manual

PN 127468 Rev CFebruary 9, 2023

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

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 manual revisions for awareness of major updates.

Revision Date Description

C January 18, 2023 Revision history established; updated calibration instructions

Table i. Revision Letter History

Contents

U Series Farm Bars

4 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.0 Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.0 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.0 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.1 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.1.1 Front Panel Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.1.2 Alternative Zero Calibrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5.1.3 EDP Command Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.0 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.2 Drifting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.3 Abnormally Large Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

7.0 Load Cell Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

8.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Introduction

1.0 Introduction

This manual is intended for use by individuals responsible for installing and servicing Farm Bars. Placing a set of Farm Bars

beneath any platform or container allows it to function as a weigh scale. Various indicator combinations can be matched to the

Farm Bar to meet specialized applications.

Manuals and additional resources are available from Rice Lake Weighing Systems at www.ricelake.com/manuals

Warranty information is available at www.ricelake.com/warranties

1.1 Safety

Safety Definitions:

DANGER: 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.

WARNING: 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.

CAUTION: Indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate injury.

IMPORTANT: 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.

WARNING

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 than 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.

Keep hands, feet and loose clothing away from moving parts.

U Series Farm Bars

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2.0 Technical Specifications

Figure 2-1. Farm Bar Dimensions

Table 2-2. Farm Bar 5,000U Dimensions

Table 2-3. Farm Bar 10,000U Dimensions

NOTE: B equals dimension A minus 7 inches.

D equals dimension C plus 6 inches.

IMPORTANT: Specify spread distance if any other length is required.

A B C D E

22.00 in 15.00 in 19.75 in 25.75 in 4.00 in

Table 2-1. Farm Bar 2,500U Dimensions

A B C D E

26.00 in 19.00 in 23.75 in 29.75 in 4.00 in

33.00 in 26.00 in 30.75 in 36.75 in 4.00 in

36.00 in 29.00 in 33.75 in 39.75 in 4.00 in

40.00 in 33.00 in 37.75 in 43.75 in 4.00 in

44.00 in 37.00 in 41.75 in 47.75 in 4.00 in

48.00 in 41.00 in 45.75 in 51.75 in 4.00 in

A B C D E

32.00 in 25.00 in 29.75 in 35.75 in 4.00 in

36.00 in 29.00 in 33.75 in 39.75 in 4.00 in

48.00 in 41.00 in 45.75 in 51.75 in 4.00 in

60.00 in 53.00 in 57.75 in 63.75 in 4.00 in

72.00 in 65.00 in 69.75 in 75.75 in 4.00 in

Primary Bar

Secondary Bar

Instrument

Connection

Mounting Holes

4 1/4 in

8 ft

Interconnecting

Cable in

Technical Specifications

Table 2-4. Specifications

Specifications 2500 U 5000 U 10000 U

Capacity 2500 lb 5000 lb 10000 lb

Nominal Output 2.5 mV/V

Max. Excitation Voltage +15V

Overall Accuracy Max. ±0.25% of Capacity

Overall Accuracy Typical ±0.10% of Capacity

Overall Accuracy (Light Load) ±0.25% of Reading

Compensated Temp. Range 15 to 100°F

Operating Temp. Range -25 to 110°F

Overload Capacity 150% of Rated Capacity

Shipping Weight 48 lb 69 lb 110 lb

U Series Farm Bars

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3.0 Installation

The following points help ensure proper installation of the Farm Bars. If further assistance is required, please contact the

nearest factory or dealer.

IMPORTANT: When planning an outdoor location for the Farm Bars, choose a site which will allow for adequate drainage

away from the scale. Immersing the load cells in water can damage the load cells and void the warranty.

• Install the Farm Bars on a firm, level surface. The Farm Bars do not have to be installed perfectly level, but a substantial

slope decreases accuracy. All weight transfer must take place through the pads at the end of each Farm Bar. Ensure

there is no contact between the ground and the center of the load bar.

• Install the Farm Bars in the upright position. This allows for accurate weighing and help keeps any foreign material out of

the Farm Bars.

• Do not drill into or weld onto the Farm Bars as this may cause internal structural or electrical damage. Secure the Farm

Bars to the weighing platform using the mounting lugs supplied.

• Install the cable so that it is not stepped on or run over. Cable failure due to physical damage is not covered under

warranty.

• When constructing the weighing platform, ensure excessive sagging does not occur. This may cause inaccuracies in

weighing and could damage the cable.

Parts List

4.0 Parts List

Figure 4-1. Farm Bar Illustrated Parts

IMPORTANT: Specify length in inches (i.e. 55206-3-33), 2500U only comes in 22" lengths.

Assembly includes, bearing collar, bearing, snap ring, foam seals and set screws.

U Series Farm Bars

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IMPORTANT: Cable length in inches (i.e. 54226-96)

Portable pad 54207PA-1 (Clockwise), 54207PB-2 (Counter Clockwise) direction is determined by looking down from top of

the load bar and determining the direction the stop rod is pointing.

Item No. Part No. Description

1 Consult Farm Bar tube, one hole

2 Consult Farm Bar tube, two holes

3 126864 Label, not Legal for Trade 3.125 x 0.375 blue on white reflective background slitback square

corners loadbars

4 126893 Conn, hose barb for 3/8 ID hose x 1/2 male pipe

5 126979 3/8-16 in x 1-1/2 HCS GS 8 zinc (5,000U and 10,000U only. For 2,500U consult factory)

6 127103 Label, warranty for 5,000U scale black text on white vinyl adhesive backed

7 127556 Cable assy, 4 pin male conn 144 in for animal scale indicator

8 127770 Pad, 2,5000U/5,000U/10,000U 1 KLU/2KLU/4KLU painted

9 127774 Load pin, 2,500U/5,000U/10,000U/0.1 -> 4KLU zinc plated

10 127775 Spacer, load pin 2,500U 5,000U 0.1KLU -> 2KLU zinc plated

127796 Spacer, load pin 10,000U, Zinc plated

11 127777 Connector assy, inline w/3 ft SST flex conduit

12 127764 Load cell assembly, 2,500U

127782 Load cell assembly, 5,000U

127792 Load cell assembly, 10,000U

13 128136 Rivet, blind pop 1/8 dia 0.313 to 0.375 grip range AB46 aluminum steel mandrel

14 131509 Decal, load bar 2.5 x 9.5 black vinyl for livestock scale

15 15160 Washer, lock 3/8 (5,000U and 10,000U only. For 2,500U consult factory)

16 15161 Washer, flat 3/8 SST (5,000U and 10,000U only. For 2,500U consult factory)

Table 4-1. Farm Bar Parts List

Table of contents

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