MMTB (Miniature Break-Over Wrench)
Contents
1. MMTB Miniature Break Over Wrench Operating Instructions Rev 1 0 Ref Item 500295 MMTB Break Over Wrenches These small production wrenches break over once reaching preset torque setting Compact and well balanced these wrenches have a fixed head attached to it and are ideally suited for low torque settings or applications with tight space restrictions Calibrating Torque Wrenches To calibrate torque wrenches either use a torque analyzer or torque transducer within the range of the torque wrench For break over torque wrenches calibrate torque in Peak mode with a digital analyzer or transducer Make sure to apply the torque slowly and smoothly at the Load Point Line near end of the handle 1 Select a torque analyzer or transducer that covers the torque range of the MMTB wrench Connect wrench to the torque analyzer or transducer using the appropriate adapters as needed not supplied 2 Apply torque clockwise slowly until wrench breaks over and note reading 3 Adjust wrench to required torque setting as described below 4 Test and repeat adjustment as necessary to obtain desired value 5 Recalibrate torque wrench at prescribed intervals Adjusting Torque Setting 1 Remove set screw from the handle with 10 32 Hex Key Adjusting 2 Insert 10 32 hex key into adjusting screw and turn clockwise to increase SESS Screw torque and counter clockwise to decrease torque Do not adjust torque i apran MAN abo2. ve or below the recommended torque ranges Tighten set screw SS SS back on Handle Set Screw Applying Torque 1 Toward the end of the wrench is the Load Point Line Grab handle at that Load Point end to apply torque If you grab handle closer toward head then you will apply more torque than what the wrench is set for The wrench is a length dependent tool 2 Tighten nut or bolt by applying a steady even pull Wrench should be kept at 90 degrees to axis of bolt during tightening When pre set torque is reached the wrench will break Stop pulling once 45 break angle is achieved 2 Reset the wrench for the next application 3 With its unique design it s impossible to over tighten beyond the preset load o mountz the torque tool specialists Load Point Line 800 456 1828 Fax 408 292 2214 mountzsales mountztorque com www etorque com Corporate Headquarters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www etorque com
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