Attention: When the speed excess grade 20, error code "Er—" will appear, please follow the
following procedures to set up the speed grade.
a) Preliminary procedure:
- Switch to speed on:
Attention: "Speed on" means speed grade is under measuring.
- Apply a steady force slowly to retighten some pre-tightened bolts as a trial to get an
appropriate speed grade as standard.
(Speed grade differs from various bolts)
When wrench detects a slight movement of the bolt, the alarm will change to a steady tone
and the green&red LED will illuminate, then release force.
Pressing
or
Note
b) Operation procedure:
- Switch to
back to main menu.
- Apply a steady force slowly to retighten bolts.
When wrench detects a slight movement of the bolt ,the alarm will change to a steady
tone
and the green&red LED will illuminate, then release force.
Note
- Pressing
Note:
1. Default value of speed grade is
2. If retightening speed is over tightening speed grade,
will be shown . Please long press
main menu, then reduce applying force speed and try again.
3. Pressing
button to record current torque is possible.
can repeat it again.
or
to retighten next bolt.
then release it to return
, then go back to main menu.
, and adjust speed grade to
.
, then go
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