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9
6 Care and maintenance
6.1 Care of the product
WARNING
Electrical hazards!
Improper repairs to electrical parts may lead to serious injuries.
▶
Electrical parts may be repaired only by trained electrical specialists.
Note
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local
Hilti
Center or online at:
www.hilti.com
▶
Keep the screwdriver, especially its grip surfaces, clean and free from oil and grease. Do not use cleaning
agents containing silicone.
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Never operate the product when the air vents are blocked. Clean the air vents carefully using a dry brush.
Do not permit foreign objects to enter the interior of the screwdriver.
▶
Clean the outer surfaces of the power tool with a damp cloth at regular intervals.
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Do not use a spray, pressure jet washer or running water for cleaning. This may negatively affect the
electrical safety of the screwdriver.
7 Troubleshooting
Note
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 screwdriver doesn’t work
and all four LEDs blink.
The overload cut-out has been
activated.
▶
Release the control switch and
then press it again. Reduce the
load on the tool.
The control switch can’t be
pressed, i.e. the switch is
locked.
The safety lock is engaged.
▶
Set the forward / reverse
selector switch to forward or
reverse rotation.
The screwdriver runs but the
screw can’t be driven.
The wrong direction of rotation is
set.
▶
Use the forward / reverse
selector switch to set the right
direction of rotation.
The screwdriver or the battery
gets very hot.
Electrical fault.
▶
Switch the screwdriver off
immediately, remove the battery
and contact
Hilti
Service.
The screwdriver has been over-
loaded by exceeding its application
limits.
▶
Select a screwdriver with
adequate performance for the
application.
Printed: 20.04.2017 | Doc-Nr: PUB / 5135890 / 000 / 01
Printed: 20.04.2017 | Doc-Nr: PUB / 5135890 / 000 / 02