TT Dial Screwdriver Operating Instructions
Contents
1. TT Dial Screwdriver Operating Instructions Rev 1 0 Calibrating Torque Dial Screwdrivers scale To calibrate torque dial screwdrivers either use a torque analyzer or torque transducer within the range of the torque screwdriver For torque screwdrivers white lock calibrate torque in Peak mode with an analyzer or transducer Make sure to device apply the torque slowly and smoothly 1 Select a torque analyzer or transducer that covers the torque range of the TT dial screwdriver Connect screwdriver to the torque analyzer or transducer using the appropriate adapters as needed 2 Apply torque clockwise slowly at all major graduations and note reading 3 Perform calibration adjustments if needed as described below 4 Test and repeat adjustment as necessary to obtain specified accuracy 5 Recalibrate torque screwdriver at prescribed intervals sleeve Calibration Adjustment 1 Loosen set screw on side of the handle and slide handle off the tool 2 Loosen two slot head screws on the clamp fixture at end of tube assembly Slide clamp fixture towards back of the tool to lower reading and towards the front of tool to raise reading 3 Slide handle back onto tool Insert 0 30 gap setting gauge between handle and rotating bezel and tighten set screw on side of the handle ee TT 250 amp 500 models are supplied with a T Bar 1 Snap T Bar into the slot at the end of the handle Applying Torque Track Mode 1 Slide the wh2. ite lock device into the V cut in the sleeve Set the white arrow pointer to 0 2 Tighten nut or bolt by applying steady twists Screwdriver should be kept at 90 degrees to axis of bolt during tightening 3 The white arrow pointer will track the torque as it is applied and will return to 0 when released Applying Torque Peak Memory Mode 1 Disengage the white lock device from the V cut in the sleeve which allows the sleeve to rotate freely 2 To test a fastener in the clockwise direction rotate the sleeve counter clockwise until it reaches a hard stop To test a fastener in the counter clockwise direction rotate the sleeve clockwise until it reaches a hard stop 3 While holding the sleeve at the stop position loosen the knob beneath the scale and turn the scale so that the pointer on the sleeve is lined up to the 0 position 4 Apply torque to the application 5 After torque is complete the maximum torque can be read from the scale as indicated by the pointer 6 Reset the sleeve manually to the stop position and then apply torque again mountz the torque tool specialists 800 456 1828 Fax 408 292 2214 mountzsales mountztorque com www etorque com ISO 9001 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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