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10
INSTRUCTIONS FOR USE
HOW TO ADJUST TORQUE BAR
Adjusting torque
Release the adjustment mechanism by pulling the locking knob at the end of the handle. (Fig. 1)
Rotate the handle clockwise, until the required torque is reached on the graduated scale.
During the adjustment step, always approach the required torque starting from a lower value. Rotate the knob
anticlockwise, to reach a value below the required torque; then increase the torque to the required value.
(Fig. 2)
Setting torque
Lock the adjustment mechanism by pressing the locking knob at the end of the handle. (Fig. 3)
After use, set the torque bar to the minimum level of the scale.
1
2
Product specifications
Models: 604B/5, 604B/10
Mechanism: break-back torque wrench. When the required
torque is reached, the bar will bend at an angle of 20° before
reset (Fig. 4)
Torque accuracy: +/-6%
ISO 6789 standard: type 2, class A
Calibration period: after 12 months of use or 5,000 cycles
Under EN 61340-5-1 and EN 61000-4-2 standards the torque bar may be used in EPA areas -
that is, in areas where Electrostatic Discharge Sensitive (ESDS) components are handled. This
characteristic concerns all electronics operators who need to deal with ESD problems, in relation
to both the protection of sensitive components and compliance with such handling and storage
specifications as contained in ISO 9000 standards.
Safety and maintenance
Only use as a torque wrench.
Hold the handle in the middle when using the tool.
Always check that the tool is correctly aligned to the clamping device.
The tool must be periodically calibrated and inspected to make sure it operates correctly.
Before use, check that the tool is clean, free from oil, grease and water.
Do not immerse in detergent liquids or oil.
Do not use the torque wrench as a hammer or a chisel.
Do not use any extension bars to increase the length of the lever.
EN
3
–
4
20°
STOP
25mm
3
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