Care And Maintenance; Servicing The Tool - Hilti DX 450 Original Bedienungsanleitung

▶ Send the fastening tool to Hilti Service.
Dirt and residues build up in the tool under normal operating conditions and functional parts are
also subject to wear.
Service the tool at regular intervals (daily, at the latest every 2500 to 3000 fastener-driving
operations). If the fastening tool is used intensively, check piston and stop ring daily for wear and
damage.
When 30,000 fasteners have been driven, have the tool fully serviced by Hilti Service.
8

Care and maintenance

8.1 Care of the fastening tool
For cleaning, use only the cleaning accessories supplied by Hilti, or material of equivalent quality. Do not,
under any circumstances, use spray cleaning equipment, compressed air, high-pressure cleaning equipment,
solvents or water for cleaning.
CAUTION
Risk of damage to the fastening tool! Foreign bodies can jam in the fastening tool and damage the
fastening tool when a cartridge is fired.
▶ Prevent foreign bodies from penetrating into the interior of the fastening tool.
▶ Clean the exterior of the fastening tool with a slightly damp cloth at regular intervals.
8.2 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 fastening tool.
▶ Clean the fastening tool and use Hilti spray as stated in the operating instructions. This will help prevent
malfunctions.
1. Regularly check all external parts of the fastening tool for damage.
2. Regularly check all operating controls to ensure that they work properly.
3. Use the fastening tool only with suitable cartridges and the recommended energy setting → page 22.
▶ Use of the wrong cartridges or excessively high power settings can lead to premature failure of the
fastening tool.
8.3

Servicing the tool

Service the tool in the following situations:
1. If energy fluctuations occur (evidenced by irregularities in fastener penetration depth).
2. If cartridge misfires occur (the cartridge is not fired).
3. If the tool becomes noticeably less easy to operate.
▶ If the required contact pressure increases noticeably.
▶ If the trigger resistance increases.
▶ If the adjusting knob for driving energy has become difficult to turn.
▶ If the cartridge strip is difficult to remove.
8.3.1 Disassembling the fastening tool
WARNING
Risk of injury by accidental triggering! A loaded fastening tool can be made ready to fire at any time.
Accidental triggering can endanger you and others.
▶ Always unload the fastening tool (cartridges and fasteners) whenever you interrupt work with the fastening
tool.
▶ Before all maintenance, cleaning and setup activities, always make sure that there are no cartridges and
no fasteners in the fastening tool.
28 English
3
2338162
*2338162*