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All manuals and user guides at all-guides.com
•
Clean the air vents carefully with a dry brush.
•
Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
these may attack the plastic parts.
Maintenance
WARNING
Danger of electric shock! Improper repairs to electrical components may lead to serious injuries including
burns.
▶ Repairs to the electrical section of the tool or appliance may be carried out only by trained electrical
specialists.
•
Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
•
Do not operate the product if signs of damage are found or if parts malfunction. Have it repaired
immediately by Hilti Service.
•
After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
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 Store or online at: www.hilti.group | USA: www.hilti.com
7.1
Changing the grinding slats
Change the grinding slats when they are worn.
1. Remove the accessory tool. → page 18
2. Pull the dust lips out of the guard. Use pliers if necessary.
3. Press the new dust lips into the groove in the guard until they engage.
4. Install the accessory tool. → page 18
8
Transport and storage
•
Always unplug the supply cord before storing an electric device.
•
Store devices in a dry place, where they cannot be accessed by children or unauthorized persons.
•
Check electric devices for damage before use after long periods of transport or storage.
9
Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, contact Hilti Service.
Trouble or fault
The tool doesn't start.
The tool doesn't work.
20
English
Printed: 14.09.2018 | Doc-Nr: PUB / 5450689 / 000 / 01
Possible cause
Interruption in the electric supply.
The supply cord or plug is defec-
tive.
The carbon brushes are worn.
The tool has been overloaded.
Action to be taken
▶ Plug in another power tool or
appliance and check whether it
works.
▶ Have the supply cord and plug
checked by a trained electrical
specialist and replaced if
necessary.
▶ Have the power tool checked by
a trained electrical specialist and
the carbon brushes replaced if
necessary.
▶ Release the on/off switch and
then press it again. Then allow
the power tool to run under no
load for approx. 30 seconds.
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