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TDS 1373 1106 BW BACKUP WRENCHES – OPERATING INSTRUCTIONS. SAFETY Risk of trapping: Keep all body parts and loose clothing away from the reaction plate when the tool is in operation. Always wear appropriate personal protective equipment including safety glasses, safety footwear and gloves. Do not hammer, or lever the backup wrench in an attempt to fit or remove from nut.
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TDS 1373 1106 Fit backup wrench onto the nut, so that the reaction plate is as close to the reaction point as possible, and hold in position if required by means of the handle. N.B in some cases it will be possible to turn the adjustment screw further clockwise to lock the backup wrench in position.