*2058841*
2058841 English 7
7 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
The rotary hammer doesn’t
start.
Interruption in the electric supply. ▶ Plug in another electric tool or
appliance and check whether it
works.
No hammering action. The 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 “Rotary drilling only” .
▶ Set the function selector switch
to the “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.
8 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!
9 Manufacturer’s warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
Printed: 20.12.2018 | Doc-Nr: PUB / 5245520 / 000 / 04
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General
Weight and Dimensions
