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Technical description
The Hilti DX 450 is a powder-actuated tool
designed for driving nails (see Fastening
Technology Manual). The DX450 employs the
well-proven piston principle, thus providing
an optimum of working and fastening safety.
As with all powder-actuated tools, the tool,
magazine, fastener programme and cartridge
programme form a «technical unit». This
means that troublefree fastening with this
system can only be assured if the fasteners
and cartridges specially manufactured for it,
or products of equivalent quality, are used.
The fastening and application recommenda-
tions given by Hilti are only applicable if this
condition is observed. The recommended
maximum fastening rate is 500 fastenings
per hour.
The fastening and application recom men -
dations given by Hilti are only applicable if
these conditions are observed.
Spare parts
The user/owner of the tool may replace the
parts listed on page 12 (parts 1–5). Only the
procedures described in these operating
instructions (disassembly/assembly/opera-
tion/care and maintenance) should be used.
Any other unauthorised manipu lations may
negatively affect functional safety of the tool.
14
Printed: 24.03.2014 | Doc-Nr: PUB / 5125252 / 000 / 02
Disassembly
1
Pivot cocking lever forward. Press forward
con nector in housing while lifting catch (link)
to disengage.
4
Pull stop ring off fastener guide to one side.
2
Screw off baseplate.
5
Let piston guide slide out of housing.
3
Pull fastener guide off piston guide.
6
Push piston out of piston guide using supplied
rod.
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