Hilti WFE 450-E Mode D'emploi Original page 22

2. Use both hands to guide the power tool, keeping one hand on the grip and the other on the integral
auxiliary grip.
You can also use the guide grip instead of the integral auxiliary grip.
5.5.2 Quality work 6
▶ Guide the power tool with one hand on the quality grip.
➥ That permits one-handed guidance close to the surface you are working on.
5.5.3 Working in the vertical plane
▶ Guide the power tool with one hand on the quality grip.
5.6 Sanding
1. Set the desired speed.
2. Position the power tool with the whole of its sanding face on the workpiece.
3. Switch on the power tool.
4. Applying moderate pressure, move the power tool steadily over the workpiece.
6 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 any dirt that may be adhering to parts.
• 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
6.1 Backing pad
▶ Check the backing pad for wear and foreign matter. Wear or foreign matter on the backing pad reduces
the adhesion of the sanding pad to the backing pad. Clean or replace the backing pad, as applicable. A
damaged backing pad has to be replaced immediately.
6.1.1 Changing the backing pad
1. Disconnect the supply cord plug from the power outlet.
2. Stand the product on the flats of the guide grip, so that the abrasive side of the sanding pad is visible.
3. Remove the sanding pad.
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