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Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost. Visit www.ricelake.com/webinars. Benchmark HD Series...
Introduction This manual provides reference information to install and wire the Benchmark HD series single-point benchtop scale which is shown in Figure 1-1. Figure 1-1. Benchmark HD Series Bench Scale This NTEP-approved bench scale is available in a 30" x 30" and 36" x 36" platform with capacities from 250 to 500 lbs.
Dimensions/Capacities Size Capacity Height 30" x 30"/762 mm x 762 mm 250 lb/125 kg 8.75"/222.25 mm 500 b/250 kg 36" x 36"/914.4 mm x 914.4 mm 250 lb/125 kg 500 lb/250 kg Table 1-1. Benchmark HD Specifications Benchmark HD Series...
Installation The following sections explain the installation procedure for the Benchmark HD. Unpacking the Benchmark Immediately after unpacking, visually inspect the Benchmark HD to ensure that the unit is undamaged. The shipping carton should contain the bench scale and this manual. If the scale was damaged in shipment, notify Rice Lake Weighing Systems and the shipper immediately.
AC ground circuit using at least #12 wire. All Benchmark series scales have either a grounding screw or a hole for such a grounding screw located on the bottom of the lower frame for this purpose. Benchmark HD Series...
Calibration It is recommended that the scale be “exercised” by loading it to near capacity two or three times before calibration to be certain that everything is seated. To calibrate the Benchmark HD scale place test weights on the scale platform equal to 70 - 100% of the scale’s capacity.
Zero the indicator correctly Scale deck cover is binding Obtain adequate clearance Overload stops set too high Reset overload stops correctly Indicator not calibrated for scale Calibrate Faulty load cell Test and replace if necessary Table 4-1. Troubleshooting Guide Benchmark HD Series...
Replacement Parts Load Cell Replacement Use the following steps to replace load cells. 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.
Replacement Parts Figure 5-2. Benchmark HD Assembly Drawing Breakout Benchmark HD Series...
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The following replacement parts are available for the Benchmark HD Series scale, PN’s 93414, 93415, 93416, and 93417. Item # Description RLWS Part Number Qty. Top cover 93775 - 30" x 30" 93768 - 36" x 36" 2 & 16...
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.