7
Transport and storage
•
Do not transport electric tools with accessory tools fitted.
•
Always unplug the supply cord before storing an electric tool or appliance.
•
Store tools and appliances in a dry place where they cannot be accessed by children or unauthorized
persons.
•
Check electric tools or appliances for damage after long periods of transport or storage.
8
Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
8.1
Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
Trouble or fault
The power tool doesn't start.
No hammering action.
The rotary hammer doesn't
achieve full power.
The drill bit cannot be re-
leased.
The drill bit makes no
progress.
9
Disposal
Most of the materials from which Hilti tools and appliances are manufactured can be recycled. The
materials must be correctly separated before they can be recycled. In many countries, your old tools,
machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative
for further information.
▶ Do not dispose of power tools, electronic equipment or batteries as household waste!
10
China RoHS (guideline on restriction of the use of dangerous substances)
The following link takes you to the table of dangerous substances: qr.hilti.com/r321.
You will find a link to the RoHS table, in the form of a QR code, at the end of this document.
11
Manufacturer's warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
*238043*
Possible cause
Interruption in the electric supply.
The carbon brushes are worn out.
The power tool is too cold.
The gauge (cross section) of the
extension cord conductors is inad-
equate.
The chuck is not pulled back fully.
The power tool has been set to
reverse rotation.
238043
Action to be taken
▶ Plug in another electric tool or
appliance and check whether it
works.
▶ Have the power tool checked by
a trained electrical specialist and
the carbon brushes replaced if
necessary.
▶ Bring the tip of the drill bit
into contact with the working
surface, switch the rotary
hammer on and allow it to
run. If necessary, repeat the
procedure until the hammering
mechanism begins to operate.
▶ Use an extension cord with
an adequate conductor cross
section.
▶ Pull the tool lock back as far
as it will go and remove the
accessory tool.
▶ Set the power tool to forward
rotation.
English
15