Rice Lake BenchMark Series Technical Manual
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Rice Lake BenchMark Series Technical Manual

Rice Lake BenchMark Series Technical Manual

Single point bench scale
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BenchMark Series
®
Single Point Bench Scales
Technical Manual
January 22, 2019
22125 Rev E

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Summary of Contents for Rice Lake BenchMark Series

  • Page 1 BenchMark Series ® Single Point Bench Scales Technical Manual January 22, 2019 22125 Rev E...
  • 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: Table Of Contents

    5.0 BenchMark Series Limited Warranty ........
  • Page 4 BenchMark Series Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost. Visit www.ricelake.com/webinars www.RiceLake.com Visit our website...

  • Page 5: Introduction

    They are available in sizes from 12" x 12" up to 24" x 24" in capacities from 30-1000 lb. A feature of the BenchMark series is its ability to be converted into a checkweigher. Add the neck and head from a CW-80 CheckWeigher to a BenchMark scale and the features of a checkweigher are available.

  • Page 6: 10" X 10"/ 12" X 12" Sl Models

    BenchMark Series 10" x 10"/ 12" x 12" SL Models All seven models of the 10" x 10" and 12"x 12" SL series have stainless steel covers and frame systems. All models use a single point load cell. The 10, 20, 30, 50, and 100 lb models come standard with a potted single point load cell that offers extra protection against water infiltration but is not designed for washdown use.

  • Page 7: 12", 18" And 24" Models

    These stops are set at the factory for 100% of scale capacity. Additional overload protection is provided by an overload screw beneath the load cell to help prevent shock damage. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 8: Specifications

    BenchMark Series Specifications 1.5.1 10" x 10" and 12" x 12" SL Models Load Cell: Potted single point (5 lb not potted); Stainless steel load cells available on 30, 50 and 100 lb models Rated Output: 0.91 mV/V Maximum Overload:...

  • Page 9: 12", 18" And 24" Models

    150 lb / 75 kg 200 lb / 100 kg 250 lb / 125 kg 300 lb / 150 kg 500 lb / 250 kg 1000 lb / 500 kg Table 1-3. Larger Capacity Model © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 10: Installation

    BenchMark Series Installation Leveling Scale Remove the scale from the shipping container and place it in the desired location. Lift off the deck cover and locate the bubble level. Adjust the four corner feet until the scale is level and all feet contact the support surface so the scale does not rock. Lock the jam nuts on the feet when the final level is correct.

  • Page 11: Calibration

    3. Perform a span calibration. 4. Remove the test weights and check the zero reading. If necessary, repeat the calibration process. See the indicator manual for the specific indicator calibration procedure. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 12: Maintenance/Troubleshooting

    BenchMark Series Maintenance/Troubleshooting Use the following troubleshooting tips for the Benchmark scale if necessary. Symptom Probable Cause Remedy No display Power disconnected Connect power Cable cut or disconnected Repair cable Signal leads incorrectly wired at indicator Connect according to the manual...
  • Page 13 10 x 10 - 30 Lb 1.43 12 x 12 - 30 Lb 1.43 12 x 12 - 50 Lb 1.12 12 x 12 - 100 Lb 1.16 Table 4-2. Overload Spring Length © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 14: 12", 18", And 24" Models

    BenchMark Series 4.1.2 12", 18", and 24" Models 1. Unplug AC power from indicator and disconnect load cell cable from indicator. 2. Lift off scale top cover. 3. Remove two load cell screws. 4. Lift off top spider. 5. Remove spacer plate and set it aside.

  • Page 15: Installing Protective Clamshells

    Section 4.1.1 on page 8 Section 4.1.2 on page 4. Calibrate the scale according to the procedure described in Section 3.0 on page UPPER LOWER CLAM SHELL CLAM SHELL Figure 4-4. Clamshell Enclosure © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 16: Replacement Parts

    BenchMark Series Replacement Parts 10" x 10" and 12" x 12" SL and SL/HE Series Section BB (Enlarged) Top View of Scale with cover Section AA (Enlarged) Figure 4-5. 10 x 10 and 12 x 12 SL and SL/HE Parts Illustration www.RiceLake.com...
  • Page 17 Load Plate, (30 lb – 100 lb, 12 in x 12 in) 15150 Washer, Rubber 15138 Washer, #8, SS 14862 Screw, 8 - 32 x 3/8 SS Table 4-3. 10 x 10 and 12 x 12 SL and SL/HE Parts List © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 18 BenchMark Series 12" x 12" and 12" x 18" Models, Mild Steel Top View of 12" Scale Series with cover removed to show location of rubber pads Section AA (Enlarged) Figure 4-6. 12" x 12" and 12" x 18" Mild Steel Parts Illustration Item Part No.
  • Page 19 Screw, Set 8-32NC x 1/2 SST 52342 Label, 4.00 x 1.25 8000T 52383 Shim, Load Cell 0.25 x 1 x 1.34 SST 40962 Load Cell Table 4-5. 12" x 18" Stainless Steel Parts List © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 20 BenchMark Series 18" x 18", 18" x 24" and 24" x 24" Models, Mild and Stainless Steel Figure 4-8. 18" x 18", 18" x 24" and 24" x 24" Models Parts Illustration Item Part No. Description Qty. 19141 Foot, 3/8-16 X 78...
  • Page 21 Washer, Plain, 1/4 Type A, SS 14635 Nut, Lock, 1/4-20 NC, Hex, MS 14634 Nut, Lock, 1/4-20 NC, Hex, SS Table 4-6. 18" x 18", 18" x 24" and 24" x 24" Models Parts List (Continued) © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 22: Benchmark Series Limited Warranty

    BenchMark Series BenchMark Series Limited Warranty Rice Lake Weighing Systems (RLWS) warrants that all RLWS equipment and systems properly installed by a Distributor or Original Equipment Manufacturer (OEM) will operate per written specifications as confirmed by the Distributor/OEM and accepted by RLWS. All systems and components are warranted against defects in materials and workmanship for two years.
  • Page 24 Specifications subject to change without notice. Rice Lake Weighing Systems is an ISO 9001 registered company. 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...

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