6
7
Power On and Zero reset
of the Torque Wrench
Press button
C
to turn on the Torque Wrench.
Before using the Torque wrench, normally an auto-reset
will be processed automatically.
ATTENTION!
Make sure that no forces acting on the Torque wrench
during the power on / reset operation. If you did not
follow the above mentioned points, the display will
shows the following symbol
Please proceed as described above.If the display shows
ErO after switching on, the max torque has been
exceeded about 10 % In this case a new calibration is
absolutely necessary.
Activation and Stand-by
The Torque wrench will automatically turn off after 2 min
for power saving. Please press
C
to turn on the Torque
wrench.
ATTENTION!
During the communication period, the auto power-off
function is disabled.
Reset the Torque wrench
To reset the Torque wrench please press button
C
.
Should a fault occurs, you could reset the Wrench by
loosen the battery cap, then tight it to re-start . After reset
remember to press
C
Activation
Low Voltage Indicator
If the battery serial voltage is in low voltage status, the
Display will show a battery symbol and then the Wrench
will turn off. Please replace batteries.
Changing the type of the head
When using different insert tools the torque value to be set
due to different dimensions (L
1
) must be calculated using the
following formula:
D: The set torque
D1: The actual torque applied to the nut.
L1: The changed length
L2: The standard length
L3: The length from the fi tting pin to the calibration point
Reference dimensions for all models:
Model
Art . No .
Drive
L
2
(mm)
L
3
(mm)
00764000080
764
1/2“
39,5
287,7
00765000080
765
1/2“
49
381,2
00766000080
766
1/2“
49
501,2
D=D
1
* (L
3
+ L
1
) / (L
3
+ L
2
)
calibration point
L
2
L
3
x
L
1
