*2288006*
2288006 English 9
The function selector switch should be set to the “Chiseling” position when changing the chuck.
1. Pull the sleeve of the chuck up.
2. Pull the chuck off the holder.
3. Pull the sleeve of the cleaned / new chuck up.
4. Fit the chuck onto the chuck mount.
5. Rotate the chuck slightly until it engages in position.
9 Transport and storage
Transport
▶ Do not transport this product with an accessory tool installed.
▶ Make sure that the equipment is held securely throughout all transport operations.
▶ After transporting, always check all visible parts and controls for signs of damage and make sure that
they all function correctly.
Storage
▶ Always store this product with the electric supply cable unplugged from the electricity supply.
▶ Store this product in a dry place, where it cannot be accessed by children or unauthorized persons.
▶ After a long period of storage, always check all visible parts and controls for signs of damage and make
sure that they all function correctly.
10 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.
10.1 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 Possible cause Action to be taken
Power tool does not start. Interruption in the electric supply. ▶ Plug in another electric tool or
appliance and check whether it
works.
No hammering action. The power tool is too cold. ▶ 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.
The function selector switch is set
to “Drilling without hammering” .
▶ Set the function selector
switch to the “Drilling with
hammering action” (hammer
drilling) position .
The rotary hammer doesn’t
achieve full power.
The gauge (cross section) of the
extension cord conductors is inad-
equate.
▶ Use an extension cord with
an adequate conductor cross
section.
The control switch is not fully
pressed.
▶ Press the control switch as far
as it will go.
The drill bit does not rotate. The function selector switch is not
engaged or is in the “Chiseling”
or “Chisel adjustment” position.
▶ Set the function selector switch
to “Drilling without hammering”
or “Hammer drilling” .
The drill bit cannot be re-
leased.
The chuck is not pulled back fully. ▶ Pull the chuck back as far as it
will go and remove the tool.
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