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5
Operating the torque wrench
1. Select the wrench insert required for your work.
2. Attach the insert firmly to the square drive of the torque wrench, until it is kept in place by
the ball stop of the square drive.
3. If possible, do not use any extensions because they may distort the torque applied to a bolt.
4. Place the tool on the bolt or nut.
5. Grip the torque wrench handle and pull on the wrench with quick movements. Avoid jerky
movements.
6. When you approach the programmed torque value (+/- 5 Nm), the buzzer will sound.
7. When you approach the programmed value (+/- 2 Nm), the buzzer will emit a quicker sound
sequence.
7. When the programmed torque has been achieved, the buzzer will emit a continuous tone
and the display illumination will come on. (When the torque wrench is operated with the
display illumination on, the latter will turn off when the programmed value is achieved.)
ATTENTION: When you hear the continuous tone, immediately stop pulling, especially in
case the target torque is low!
Caution:
NEVER USE THE TORQUE WRENCH WHEN THE WRENCH IS IN LOW
BATTERY CONDITION. THE WRENCH ACCURACY WILL BE AFFECTED.