Care And Maintenance - Hilti DX 5 GR Original Operating Instructions

5.11 Tool misfires (cartridge doesn't fire)
WARNING
Heat The tool can get hot through use.
▶ Wear protective gloves.
▶ Allow the tool to cool down.
1. Stop using the tool immediately.
2. Unload and dismantle the tool.
3. Check that you are using the correct combination of piston and fasteners.
4. Check the buffer and the piston for wear; replace the parts if necessary.
5. Clean the tool.
◁ If the problem persists after taking the measures described above, further use of the tool is not
permissible.
◁ Have the tool checked and, if necessary, repaired by Hilti Service.
Dirt and residues build up in the tool under normal operating conditions and functional parts are
also subject to wear.
Carry out regular inspections and servicing. Servicing must be carried out after 30,000 fasteners
have been driven.
Clean the tool after every 2,500 - 3,000 fastenings. The fastener counter shows how many fasteners
have been driven since the cleaning indicator was last reset. One bar stands for 500 fasteners.
Check the piston and the buffer daily when the tool is subjected to intensive use, or at the very
least, before the end of the recommended regular cleaning interval of 2,500 - 3,000 fastenings.
The inspections, service intervals and cleaning intervals are based on typical tool use. If you find
that the tool is not functioning correctly before a scheduled interval is reached, service the tool
immediately.
6

Care and maintenance

6.1 Care of the tool
WARNING
Cleaning Pay attention to the following points when cleaning the tool:
▶ Do not clean with a spray system or pressure jet washer.
▶ Do not permit foreign objects to enter the interior of the tool.
WARNING
Risk of injury due to deflagration Powder residue in the tool may ignite and cause uncontrolled triggering
or fragmentation.
▶ Clean the tool regularly. Comply with all maintenance and cleaning information and instructions in this
documentation.
▶ If inferior-quality cartridges are used, cleaning the tool will not reduce the risk of powder residue inside
the exhaust gas piston return unit igniting and causing uncontrolled triggering or fragmentation. This can
only be reduced by having the tool taken to Hilti Service for maintenance.
▶ Clean the exterior of the tool with a slightly damp cloth at regular intervals.
6.2 Maintenance
WARNING
Dangerous substances The deposits inside DX tools contain substances that may present a health hazard.
▶ Do not inhale dust or dirt while cleaning.
▶ Keep dust and dirt away from foodstuffs.
▶ Wash your hands after cleaning the tool.
▶ Never use grease to clean or lubricate tool components. This may lead to malfunctions. To avoid
malfunctions caused by the use of unsuitable cleaning agents, use Hilti spray.
1. Regularly check all external parts of the tool for damage.
2211872
*2211872*
Printed: 02.08.2018 | Doc-Nr: PUB / 5433085 / 000 / 01
English 21