Guidelines; Operation - Hilti GX 90-WF Operating Instructions Manual

1. Before inserting the battery, make sure that the
battery contacts and the contacts in the tool are
free of foreign bodies.
6.4 Charge state of battery
NOTE
Battery performance drops at low temperatures.
Green LED
Red LED
No signal
6.5 Deep discharge protection and battery reset
function
NOTE
The tool has a deep sleep mode to protect the Li-ion
battery from deep discharge.

7 Guidelines

7.1 Fastening guidelines
NOTE
Always observe the usage guidelines and instructions
on the nail packaging. Observe any applicable national
technical regulations.

8 Operation

NOTE
When holding the tool steady with the second hand, the
hand must be positioned in such a way that no ventilation
slots or openings are covered.
CAUTION
Fastening the nails is triggered by the ignition of a gas/air
mixture. Exposure to noise can cause hearing loss. Both
2. From below, push the battery into the opening on
the end of the handle until it snaps into place.
The LED briefly lights up in green to signal that the
tool is ready for use.
Lit up
Flashing
Lights
Flashing
No LED lit up or flashing
The tool automatically switches off completely after 120
minutes without being used.
To prepare the tool for use again, briefly remove the
battery and then insert it again (battery reset function).
NOTE
For detailed information, request the Hilti Fastening Tech-
nology Manual from your regional Hilti office.
the user and persons in the vicinity must wear ad-
equate ear protectors.
WARNING
Material may splinter when the fastener is driven or frag-
ments of the magazine strip may fly off. Splintering ma-
terial presents a risk of injury to the eyes and body. The
user of the tool and all persons in the vicinity must
wear eye protection and a hard hat.
WARNING
Pressing the tool the against a part of your body (e.g.
your hand) to prime it does not constitute intended use.
The battery is ready for use.
Failing battery voltage. Change the bat-
tery soon.
The battery voltage is no longer suffi-
cient to operate the device. Change the
battery.
NOTE You must switch to the second
battery, at the latest, when the LED
lights up in red on the tool. Recharge
the battery immediately so that it is
ready for reuse.
The battery is too cold (< -15°C/< 5°F)
or too hot (> 60°C/> 140°F) and the fan
doesn't start. Remove the battery and
allow it to warm up or cool down to the
required temperature.
The battery voltage is below the
threshold value. Charge the battery.
en
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