Lubrication; Troubleshooting - Hilti DX 2 Mode D'emploi

9.3.6 Lubrication

Spray the cleaned parts lightly with the Hilti lubricant
spray supplied. Use only Hilti lubricant spray or a product
of comparable quality.
9.3.7 Assembling the tool 12
NOTE
Handle the small parts carefully. They could get lost.
1. Fit the fastener guide into the base plate.
2. Slide the piston into the piston guide as far as it will
go.
3. Fit the base plate with the fastener guide onto the
piston guide.
NOTE The slots in the base plate and piston guide
must be in alignment with each other.
4. Press the spring clip into the recess.

10 Troubleshooting

WARNING
The tool must be unloaded before taking any steps to remedy faults.
Fault
Higher force required to cycle
the tool.
Higher force required to press
the tool against the surface.
Trigger resistance increases.
The cartridge strip is difficult to
remove.
The tool cannot be fired.
Tool jams.
5.
6.
9.3.8 Checking
After carrying out care and maintenance, check that all
protective and safety devices are fitted and that they
function faultlessly.
NOTE
The tool can be checked, as follows, to determine
whether it is ready to fire: Press the nose of the un-
loaded tool (i.e. no cartridges or fastener in the tool)
firmly against a hard surface and pull the trigger. A clearly
heard click from the trigger mechanism indicates that the
tool was ready to fire.
Possible cause
Build-up of combustion residues.
Build-up of combustion residues.
Build-up of combustion residues.
Build-up of combustion residues.
The tool is not cycled. The cartridge
has already been fired.
The tool was not pressed fully against
the working surface.
The tool is badly fouled with dirt and
residues.
The piston is damaged.
The tool is damaged.
Guide the assembly into the tool.
NOTE The slot in the piston and fastener guide must
be in alignment with the opening for the catch.
Press the catch into the opening and turn the annular
ring back over the catch.
NOTE The catch can be removed when in the
swiveled-out position and subsequently reinserted.
Remedy
Service the tool
See section: 9.3 Servicing the tool
Service the tool
See section: 9.3 Servicing the tool
Service the tool
See section: 9.3 Servicing the tool
Service the tool
See section: 9.3 Servicing the tool
See section: 8.5 Cycling the tool 5
Transport the used cartridge by cy-
cling the tool or pull the cartridge strip
through manually to the next position.
Press the tool fully against the work-
ing surface.
Service the tool
See section: 9.3 Servicing the tool
Clean the tool.
See section: 9.3 Servicing the tool
Check the piston and replace it if nec-
essary.
See section: 9.3.2 Checking the pis-
ton for wear
If the problem persists, contact your
local Hilti Center.
en
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