7
+ Gas can compartment cover
§ Cooling air slots
/ Magazine lockbutton
: Trigger
· ‚RESET‘ button
$ Nail pusher
£ Belt hook
| Gas can status indicator
¡ Inlet/outlet valve
3.3 Fastener guide
The fastener guide holds the studs or, respectively, guides the nails and, when the tool is fired, thus directs the
fasteners into the supporting material at the desired position. Application-specific fastener guides (IF or ME)
are available for the ‚GX 3‘ and ‚GX 3-ME‘ fastening tools (see type identification plate for exact designation).
3.4 Fasteners
Two types of fastener can be driven by the fastening tool: nails and threaded studs. Additional fastening
components, which can be inserted in the fastener guide, are also available for various applications.
3.5 Guidelines for use on concrete and steel
Information about national regulations, and the Fastening Technology Manual containing further informa-
tion, are available from the Hilti marketing organization responsible for your location.
The Fastening Technology Manual can also be obtained from:
Internet: http://www.hilti.com
3.6 Slider for fastener driving depth adjustment and for releasing the fastener guide
The slider can be used to reduce the depth to which the fastener is driven. In the «EJECT» position, it
releases the fastener guide for removal.
Status Meaning
«+» • Standard fastener driving depth
«» • Reduced fastener driving depth
«EJECT» •Fastenerguiderelease
3.7 ‚RESET‘ button
After driving a fastener, under certain circumstances, the fastener guide may not return to its outset position.
This is caused by the piston being incorrectly positioned. The incorrect piston position can be remedied by
pressing the ‚RESET‘ button.
Status Meaning
‚RESET‘ button projects from the tool casing. Its
white edge is visible.
• Piston position is incorrect
‚RESET‘ button is flush with the tool casing. • Piston position is correct
3.8 Support leg
On an even working surface, the support leg makes it easier to hold the fastening tool perpendicular as
attention then only has to be paid to lateral alignment. On an uneven or undulating surface it may be necessary
to remove the support leg in order to allow the fastener guide to be held perpendicular to the working surface.
3.9 Belt hook
The belt hook can be extended in two stages.
Status Meaning
First position • Position for attaching to a waist belt
Second position • Position for attaching to ladders, scaffolds,
platforms, etc.
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