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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.
7.1
Replacing the carbon brushes
DANGER
Risk of injury! Risk of electric shock.
▶ The power tool may be operated, serviced and repaired only by trained, authorized personnel. This
personnel must be specially informed of any possible hazards.
The service indicator lights up when the carbon brushes need to be replaced. Diagrams on the inside
of the carbon-brush covers show the correct direction of installation and routing of the wires.
Always change all the carbon brushes at the same time.
1. Disconnect the slitting tool from the electricity supply.
2. Remove the top and bottom carbon-brush covers from the rear of the power tool.
3. Take note of how the carbon brushes are fitted and
how the wires are routed.
4. Disconnect the wires, ease the springs aside and
remove the worn carbon brushes from the slitting
tool.
5. Fit the new carbon brushes, positioning them exactly
the same as the old ones fitted previously. Take care
to avoid damaging the insulation on the indicator lead
as you insert the brushes.
6. Use only these genuine replacement carbon-brush
sets:
Spare-part numbers of the carbon-brush sets
Voltage range
110 V ... 127 V
220 V ... 240 V
7. Reinstall the two carbon-brush covers.
8. After replacing the carbon brushes, run the slitting tool uninterruptedly for at least 1 minute without load.
▶ The indicator lamp goes out after approx. 1 minute's operation.
If the minimum running-in time of one minute is not observed, the life of the carbon brushes will be
greatly reduced.
8
Transport and storage
Transport
▶ 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.
9
Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by
yourself, contact Hilti Service.
*2208335*
Spare-part number
2120033
2006843
2208335
Top carbon-brush cover
@
Bottom carbon-brush cover
;
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