Hilti SI­-AT-­A22 Mode D'emploi Original page 20

torque wrench and, if necessary,
tighten it to the correct installation
torque.
Result 3 / 4
• The symbols indicating "Battery
voltage too low" are displayed.
• The LEDs flash red.
The battery does not have enough
power left for tightening the next fas-
tener.
▶ Press the OK button to confirm
the message.
▶ Insert a charged battery.
Result 4 / 4
• The symbols indicating "Tighten-
ing not completed correctly" are
displayed.
• The LEDs flash red.
• The warning tone sounds.
▶ Use a calibrated torque wrench
to apply the correct tightening
torque to the fastener.
5.9 Tightening the threaded fastener in "Tightening" operating mode
1. Select the "Tightening" operating mode.
2. Determine the tightening setting for the threaded fastener to be tightened
→ page 10 and select this setting.
3. Set the forward/reverse switch to the "Forward" position.
4. Install a suitable accessory tool on the impact wrench and engage the
product to be tightened.
5. Press the control switch and hold it down until the torque module returns
one of the following feedback signals:
Result 1 / 2
• The symbol
"Tightening
successfully" is displayed.
• The LEDs show green.
• The confirmation tone sounds.
The fastener was tightened correctly.
You can continue directly to the next
fastener of the same type.
14 English
indicating
completed
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