Calibrating Break-Over-Over Wrench To calibrate break-over wrench, either use a torque analyzer or torque sensor within the torque wrench range. For break-over wrenches, calibrate torque in "Peak" mode with a torque tester or torque sensor. Make sure to apply the torque slowly and smoothly. 1. Select a torque tester or torque sensor that covers the torque range of the wrench. Connect the wrench to the torque tester or sensor and use the appropriate adapters. 2. Apply torque clockwise slowly until wrench 'breaks-over' and note reading. 3. Adjust wrench to required torque setting as described above. 4. Test and repeat adjustment as necessary to obtain desired torque value. 5. Recalibrate break-over wrench at prescribed intervals.
TBX-12 Stop Collar TBX-12 model supplied with a removable stop collar, which restricts the "break" angle to 20º. If the collar is removed, the "break" angle increases to 90º. Maintenance Schedule Like an automobile, torque wrenches contain moving parts that require periodic servicing and lubrication.
20º
90º
Period Between Resetting of Torque 20,000 fastening operations. It is acknowledged that some tools may achieve 20,000 operations in a relatively short period of time. Under these circumstances, the user may decide, with the benefit of their experience, to increase the period between calibration intervals. Routine Maintenance After 60,000 operations, strip, clean, and re-grease the spring and internal components. Any worn parts should be replaced. Note: Any tool that is dismantled during its life must be re-lubricated in accordance with the Mountz recommendations. Do not clean tools by immersing them in a solvent, as this will destroy the internal lubrication and cause the tool's failure. Testing and Servicing Torque tools go out of calibration with use. Calibrating a torque tool is a fine-tuning process of bringing the tool back within its tolerance. Regular torque calibration of a break-over wrench ensures accuracy, repeatable tool performance, and adherence to international standards. We recommend a general once a year calibration interval. However, the user's Mountz Service Locations
Eastern Service Center 19051 Underwood Rd. Foley, AL 36535 Phone: (251) 943-4125 Fax: (251) 943-4979 Western Service Center 1080 N.11th Street San Jose, CA 95112 Phone: (408) 292-2214 Fax: (408) 292-2733
organization must determine suitable intervals based upon equipment performance, application, degree of usage, and management objectives.
Mountz Calibration and Repair Services 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 over 58 years. Engineered in 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.
UK Service Center Pier Copse Courtyard, Milland Lane, Liphook, Hampshire, GU30 7JN, UK Phone: 00 44 1428 741756
www.mountztorque.com
SILICON VALLEY HEADQUARTERS 1080 North 11th Street, San Jose, CA 95112 | Phone: (408) 292-2214 | Fax: (408) 292-2733 | mountztorque.com
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