Before Use - Hilti DX462 Operating Instructions Manual

4. Check the buffer, piston and fastener guide for wear
and replace the parts if necessary (See 6.3 and 8.4).
5. Clean the tool.
6. Do not continue to use the tool if the problem per-
sists after carrying out the steps described above.
Have the tool checked and repaired if necessary at a
Hilti repair center.
G Never attempt to pry a cartridge from the magazine
strip or the tool.
G Keep the arms flexed when the tool is fired (do not
straighten the arms).
G Never leave the loaded tool unattended.
G Always unload the tool before beginning cleaning,
servicing or changing parts and before storage.
G Store cartridges and unused tools unloaded, in a dry,
high or locked place out of the reach of children.
5.7 Temperature
G Do not disassemble the tool while it is hot.
G Never exceed the recommended maximum fastener
driving rate (number of fastenings per hour). The tool
may otherwise overheat.
G Should the plastic cartridge strip begin to melt, stop
using the tool immediately and allow it to cool down.
5.8 Requirements to be met by users
G The tool is intended for professional use.
G The tool may be operated, serviced and repaired only
by authorised, trained personnel. This personnel must
be informed of any special hazards that may be encoun-
tered.
G Proceed carefully and do not use the tool if your full
attention is not on the job.
G Stop working with the tool if you feel unwell.
5.9 Personal protective equipment
G The operator and other persons in the immediate vicin-
ity must always wear eye protection, a hard hat and ear
protection.

6. Before use

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6.1 Tool inspection
G Ensure that there is no cartridge strip in the tool. If
there is a cartridge strip in the tool, remove it by hand
from the tool.
G Check all external parts of the tool for damage at reg-
ular intervals and check that all controls operate prop-
erly. Do not operate the tool when parts are damaged or
when the controls do not operate properly. If necessary,
have the tool repaired at a Hilti service centre.
G Check the buffer and piston for wear (see "8. Care
and maintenance").
6.2 Choosing the right fastener guide / piston / fas-
tener combination
Use of the wrong combination may result in damage to
the tool and / or affect fastening quality (see table on last
page of these instructions).
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6.3 Changing the fastener guide
1. Ensure that no cartridge strip or fastener is loaded in
the tool. Remove the cartridge strip by pulling it
upwards out of the tool and remove the fastener from
the fastener guide.
2. Press the release button on the side of the fastener
guide.
3. Unscrew the fastener guide.
4. Check the buffer and piston for wear (see "Care and
maintenance").
5. Push the piston into the tool as far as it will go.
6. Press the buffer onto the fastener guide until it snaps
into place.
7. Push the fastener guide firmly onto the piston return
unit.
8. Screw the fastener guide onto the tool until it engages.
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