Tightening The Threaded Fastener In "Tightening" Operating Mode; Checking Fastener - Hilti SI­-AT­-A22 Manual De Instrucciones

Result 2 / 4
• The symbol indicating "Retightening completed
successfully" is displayed.
• The LEDs flash yellow.
• The warning tone sounds.
A threaded fastener that had been tightened and sub-
sequently slackened has been re-tightened. INFO: If
the fastener had not been correctly tightened before-
hand, use a calibrated torque wrench to check and,
if necessary, tighten to the correct tightening 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 fastener.
▶ Press the OK button to confirm the message.
▶ Insert a charged battery.
Result 4 / 4
• The symbols indicating "Tightening not com-
pleted 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 8 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 indicating "Tightening completed
successfully" is displayed.
• The LEDs show green.
• The confirmation tone sounds.
The fastener was tightened correctly. You can con-
tinue directly to the next fastener of the same type.
Result 2 / 2
• The symbols indicating "Tightening not com-
pleted 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.
5.10

Checking fastener

All Hilti products are subject to a process of constant updating, which means that products not described
in this documentation might also be supported by the SI-AT module. Keep the software and the operating
instructions up to date at all times.
10 English 2124681
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