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9.
Technical Notes
9.1
Safety Shut-Off
In order to prevent faulty boltings or damages to
the power tool, the AcraDyne AGB Nutrunner is
fitted with a multi-functional monitoring system.
If the machine switches itself off, the electronic system has
activated the self-protection mode. There is an audible warning
(30-second tone or until the push button (D) is released) (Fig. 3).
9.2
Causes and Problem Solving
Battery pack almost empty
The electronic system protects the battery pack against
complete discharge.
If the LED display (L, Fig. 4) flashes, the battery pack is almost
empty. If necessary, press the button on the battery pack (8,
Fig. 4) to check the charge state. If the battery pack is almost
empty, it must be recharged.
See also Section 4.1.2 Battery Pack, Capacity, and Signal Display
Operation and Service Manual
Excessive temperature
Overheating of the power tool over an extended period of time
will result in temperature switch-off. The tool or the battery
pack must be cooled down.
If the battery pack is very warm to the touch, it is
recommended to cool it in the charger station. The
motor will cool down quicker in idle mode.
Excessive current increase
The power tool switches off automatically.
If the current increase is quick (such as when there is a sudden
blockage or seizing) the tool is switched off. Switch off the
power tool on the push button (D, Fig. 3). Then restart and
continue working normally. Prevent further blockages.
10. Noise Level and Vibration
Permanent noise level measured at maximum idle speed:
76 dB(A)
Noise emissions were measured at various working cycles.
The distance of the sound sensor was 1 m from the geometric
center of the power tool.
Vibration: medium until just before reaching the preselected
torque.
11. Environmental protection
Do not immerse battery packs in water.
Protect the environment and do not dispose
of electrical power tools and battery packs in
normal household waste. Observe national
regulations regarding recycling, and separation
of unusable machinery, accessories, and
packaging. Secure the contacts against shorts
(e.g. cover with PTFE).
Materials and specifications are subject to change without notice
11
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