Atlas Copco STwrench

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STwrench User Guide Pset

9836 4134 01 Edition 2.9 109 (326)

The STwrench LEDs, buzzer and vibration devices are activated as follows:

Yellow LED

Angle result between Cycle Start and Min. Angle, or torque between Min. Torque

and Max. Torque with angle under the Min. Angle.

If Measure torque/Angle at

is set to Angle peak, the Start Final Angle value is

used instead of the Cycle Start.

Green LED

Angle and torque results within the minimum and maximum limits.

Red LED

Angle result over Max. Angle or torque result over Max. Torque.

NOTE: The result LED indicating the result of the tightening is activated only when the tightening operation is

completed.

First row of yellow LEDs

Angle over 1

percentage.

Second row of yellow LEDs

Angle over 2

percentage.

Third row of yellow LEDs

Angle over 3

percentage; it is also activated if torque or angle goes over the

maximum value.

Buzzer

The beep emitted by the buzzer starts when the torque goes over the Cycle Start

value; it increases its signal when the 1

percentage, the 2

percentage, the 3

Torque

Angle

percentage

Max. Torque

Max. Angle

Cycle start

Atlas Copco STwrench - Page 109