Care And Maintenance - Hilti DX 9-ENP Manual

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• Nail stand-off is too low.
▶ Reduce the power setting by turning the power
regulation wheel to the next lower setting.
▶ If the power regulation wheel is already set to the
lowest value, use a less powerful cartridge type –
if available.
2. Drive another fastener.
3. Repeat the previously described steps until the correct nail stand-off is achieved.
6.3 Adjusting the power setting
▶ Turn the power regulation wheel to set the desired
nail driving power.
▶ The current power setting is indicated.
6.4 Removing cartridges from the tool
1. Press the cartridge strips forward, as far as possible, in the direction of advance.
2. Pull the cartridge strips out of the tool at the cartridge strip exit aperture.
6.5 Removing fasteners from the tool
The fasteners can normally remain in the tool. It is not necessary to remove them, for example, when
you are finished working with the tool.
1. Check that the cartridges have already been removed from the tool. → page 13
2. Stand the tool on its grip.
3. Press the red latch at the mouth of the magazine and allow the nail strips to slide back out of the
magazine.
4. While pressing the catch, pull the nail strip out of the tool.
▶ If the nail strip does not project from the base plate, work through the sequence of steps below.
5. Stand the tool upright in the working position.
6. Press the stop.
7. Cycle the tool until the nail strip projects from the tool.
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Care and maintenance

7.1 Check the piston and piston stopper and replace the parts if necessary
If a fastener is driven incorrectly, the piston may become jammed in the piston stopper. If the piston
and piston stopper become fully seized in this way, these parts have reached the end of their service
life. The tool cannot be cycled when in this state.
The condition of the piston and piston stopper must be checked at regular intervals and at least daily.
1. Disassemble the base plate. → page 14
2. Pull the piston out of the piston guide.
3. Pull the piston stopper out of the base plate (possibly with the aid of the piston).
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Power regulation wheel
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Power setting indicator
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English 13