Switching on
▶
Press the on/off button.
▶
The multi-purpose LED shows green.
Warning! The power tool develops torque as soon as the motor starts.
If possible, always use the power tool in combination with an industrial vacuum cleaner.
Sanding
1. Set the desired speed. To do this, use the "Increase/reduce speed" buttons as appropriate.
▶
Speed can be adjusted in the range from 4000 to 8000 rpm. The LED array indicates the set speed.
2. Position the power tool with the whole of its sanding face on the surface to be sanded.
3. Press the start/stop button.
▶
The sanding operation starts
4. Applying moderate pressure, move the power tool steadily over the surface to be sanded.
Ending the sanding operation
1. Lift the power tool clear of the surface being sanded before you end the sanding operation.
▶
Otherwise, the excessive speed could cause the abrasive to leave marks in the surface being sanded.
2. Press the start/stop button.
Switching off
1. Press the on/off button.
2. Do not set the power tool down until the backing pad has come to a complete stop.
Care and maintenance
WARNING
Electric shock hazard! Attempting care and maintenance with the supply cord connected to a power outlet can lead to severe injury and burns.
▶
Always unplug the supply cord before carrying out care and maintenance tasks.
Care
•
Carefully remove stubborn dirt from the tool.
•
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 they can 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.
4
Assembly modules
Arbor and bearing module
@
Sanding head
;
Securing screw for sanding head
=
Changing the backing pad
Tools needed: 19 mm hex bit socket and Torx screwdriver.
1. Disconnect the supply cord plug from the power outlet.
2. Remove the screw cap.
3. Remove the backing pad screw.
4. Remove the old backing pad.
5. Install the new backing pad positioned correctly on the spindle.
6. Using the hex bit socket, tighten the backing pad screw to 10 Nm.
7. Install the screw cap.
▶
Tighten the securing screw of the screw cap to 0.8 Nm.
8. Check that the backing pad is installed correctly and not tilted.
Changing backing pad and attachment pad
Tools needed: Plain screwdriver.
1. Disconnect the supply cord plug from the power outlet.
2. Remove the 8 recessed screws.
3. Remove the attachment pad.
4. Remove the old backing pad.
5
4
4
Cap for screw
%
Backing pad with securing screws
&
2301587
*2301587*