A Mountz Loading Bench provides engineers and metrology professionals with a precision, laboratory-grade solution for effortless and accurate torque wrench calibration and presetting. Designed to simplify calibration processes, these loading benches deliver consistent, repeatable results across torque ranges up to 2500 lbf.ft. Torque wrenches require regular calibration to maintain accuracy and avoid errors in assembly processes. The Mount Loading Bench enables faster operator calibration by minimizing user-induced errors and transducer misalignment, ensuring reliable torque application every time.
MANUAL REV 1 (8/1/2025)
LB250F LOADING BENCH
Phone: 408.292.2214
www.mountztorque.com
LB250F LOADING BENCH INSTRUCTIONS LB250F LOADING BENCH OPERATING
Rev 1.0 (9/15/2025)
What's Included: Loading Bench and hardw Accessories sold separately: Mountz torque analyzer, BMX torque sensor and cable for
ware for mounting the BMX torque sensor. Mountz torque analyzer, BMX torque sensor and cable for BMX torque sensor. BMX torque sensor.
Reaction Position Horizontally: 4” to 28” from the center of the turn Vertically: 1” to 4” from the turn-table base Full rotation: Ratio (1:360) Horizontally: 4” to 28” from the center of the turn-table
Mounting the LB250F The LB250F needs to be mounted securely before operating. Immobilizing the loading bench is critical for the safety of the operator as well as for the accuracy of torque measurements during operation. A loo impact the validity of torque readings. Use 3/8” bolts (the bolt length will depend on your bench top thickness). securely before operating. Immobilizing the the operator as well as for the accuracy of operation. A loose loading bench during utilization can length will depend on your bench top thickness).
Mounting holes
Keep flush with bench edge
Torque Sensor Set-up Attach the BMX to the the rotating baseplate usin Attach the BMX to the the rotating baseplate using the correct hardware provided. Make sure the wrench is within the torque range of the BMX model. If the tool is under the torque range, then the accuracy may the torque range, then you may overtorque the BMX and damage the sensor. is within the torque range of the BMX model. If the tool is under the torque range, then the accuracy may not be reliable. If the tool is over
Base Plate
Attach the sensor cable (sold separately) for connecting the BMX with torque analyzer with an external sensor connection with an external sensor connection.
sold separately) for connecting the BMX with a Mountz
Reaction Bars
Once the BMX is connected with the torque analyzer, follow the instructions in the torque analyzer manual for accessing external transducers.
Hand Wheel
Calibrating & Testing Torque Wrenches Wrenches
Place the wrench’s drive into the BMX’s female square drive. reaction bar. Use the bottom and top locking clamps to secure the wrench handle so its level. This will rotate the sensor until the wrench's pre analyzer and compare against the pre-adjusted torque on the wrench. turning the wheel in the opposite direction. Place the wrench’s drive into the BMX’s female square drive. Secure the handle of the tool between the clamps on the Use the bottom and top locking clamps to secure the wrench handle so its level. Turn the hand wheel clockwise. wrench's pre-adjusted torque is reached with a click. Record the torque reading from the adjusted torque on the wrench. Once the desired torque is reached, back off the load by ecure the handle of the tool between the clamps on the Turn the hand wheel clockwise. adjusted torque is reached with a click. Record the torque reading from the Once the desired torque is reached, back off the load by
SILICON VALLEY HEADQUARTERS 1080 North 11th Street, San Jose, CA 95112 | Phone: (408) 292
95112 | Phone: (408) 292-2214 | Fax: (408) 292-2733 | mountztorque.com
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Mountz Calibration and Repair Services
Mountz Service Locations
Eastern 19051 Underwood Rd. Eastern Service Center Foley, AL 36535 Phone: (251) 943 Fax: (251) 943 Phone: (251) 943-4125 Fax: (251) 943-4979 Western Service Center 1080 N.11th Street San Jose, CA 95112 Phone: (408) 292 Fax: (408) 292 UK Service Center Pier Copse Courtyard, Milland Lane, Liphook, Hampshire, GU30 7JN, UK Phone: 00 44 1428 741756 Phone: (408) 292-2214 Fax: (408) 292-2733
Mountz Inc. features an experienced calibration and repair staff. Our trained technicians can calibrate and repair almost any tool. Mountz provides rapid service with quality that you can trust as we offer two state-of-the-art calibration labs and repair facilities that can calibrate up to 20,000 lbf.ft. About Mountz Mountz, The Torque Tool Specialists ® , has been a leader in the torque tool industry for more than 60 years. Engineered in the Silicon Valley and serving the globe, Mountz focuses on delivering high-quality torque products, services, and solutions to ensure customers can always proceed with confidence. We are committed to forging a safer world through precision and accuracy and by innovating every day. About Mountz Mountz, The Torque Tool Specialists ® , has been a leader in the torque tool industry for more than 60 years. Engineered in the Silicon Valley and serving the globe, Mountz focuses on delivering high-quality torque products, services, and solutions to ensure customers can always proceed with confidence. We are committed to forging a safer world through precision and accuracy and by innovating every day. Silicon Valley and serving the globe, Mountz quality torque products, services, and solutions to ensure y innovating every day. calibrate and repair almost any tool. Mountz provides rapid service with quality that you art calibration labs and repair facilities that can quality torque products, services, and solutions to ensure ith confidence. We are committed to forging a safer world
www.mountztorque.com
The Mountz Advantage Products for Industry Experts by Torque Experts We are torque experts. Our tools offer customization options, allowing you to tailor them to your requirements.
Experienced Human, Customer Support We take the time to understand your application needs and make recommendations based on industry experience.
Tools Built to Last Preventing downtime is critical for success. Durability is at the core of what we do. Our tools are built to last and underg extensive testing to ensure they meet the highest standards. Preventing downtime is critical for success. Durability is at the core of what we do. Our tools are built to last and undergo Mountz Support North America: + 1.408.850.9978 International: + 44.1428.741756 mountztorque.com Mountz offers product implementation support and additional technical support beyond our standar Please contact our applications or customer experience teams for additional support. Mountz offers product implementation support and additional technical support beyond our standard service agreement. d service agreement.
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SILICON VALLEY HEADQUARTERS 1080 North 11th Street, San Jose, CA 95112 | Phone: (408) 292
95112 | Phone: (408) 292-2214 | Fax: (408) 292-2733 | mountztorque.com
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