Operating Instructions; Tightening - norbar ET2-72-1000-110 Operator's Manual

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OPERATING INSTRUCTIONS

WARNING:
WARNING:

Tightening

1.
Fit the tool with the correct size impact or high quality socket to suit fastener.
TIP:
For added safety it is recommended to secure the socket to the drive square.
This is often achieved using a pin and O ring, see socket manufacturer for guidance.
2.
Ensure the Clockwise/Counter-clockwise display arrow is correct.
Press
to change direction (if required).
3.
Ensure Torque, Torque & Angle or Audit Torque
target shown is correct.
Torque
In Torque mode the tool applies torque until the
target torque is achieved.
Torque and Angle
Torque and Angle is achieved in 2 steps, see figure 50:
3.1.
The tool applies a Torque.
Ensure fastener has been pre-torqued above this value.
3.2.
The tool applies the target Angle.
3.3.
An additional Final Torque verification check can be set.
3.4.
With '2 Stage Target' enabled, press the trigger to apply the Torque step at fast speed. Press the
trigger again to apply target Angle.
Audit Torque
Audit Torque is intended for checking. The tool runs slower and gives a Torque and Angle result.
4.
Rotate the handle into a convenient position relative to the reaction bar.
Fit the tool onto the fastener to be tightened with the reaction bar adjacent to the
reaction point. See figure 51.
5.
Adopt a posture to counteract normal or unexpected movement of the
tool due to reaction forces.
6.
Press and release trigger to slowly bring reaction bar into contact
with the reaction point.
NOTE:
Bringing into contact at speed can lead to
increased operator danger, fastener damage,
reaction point damage and torque inaccuracies
especially on high torque rate joints.
7.
Fully press the trigger and keep fully pressed until tool stops, then release trigger.
24
KEEP HANDS CLEAR OF THE REACTION BAR.
WHEN USING THIS TOOL IT MUST BE SUPPORTED AT ALL TIMES IN
ORDER TO PREVENT UNEXPECTED RELEASE IN THE EVENT OF
FASTENER OR COMPONENT FAILURE.
Torque
Final Torque
Snug Torque
Start
FIGURE 50 – Angle Mode
FIGURE 51 – Clockwise Operation
Angle
Target
Angle
Angle
Start
Time

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