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Switching off
4. Press the rear section of the on/off switch.
▶ The on/off switch jumps to the Off position and the motor stops.
7.2
Grinding
CAUTION
Risk of injury. The accessory tool may suddenly stick or stall.
▶ Use the product with the side handle (or optional hoop handle) fitted and always hold the product securely
with both hands.
Do not allow the accessory tool to jam and avoid excessive pressure on the product.
7.3
Cutting
▶ When cutting, keep the rate of advance moderate and do not tilt the product or the cut-off wheel to either
side (working position is at approx. 90° to the cutting plane).
For best results when cutting profiles and small rectangular tube, start cutting with the cut-off
wheel at the smallest cross-section.
7.4
Rough grinding
WARNING
Risk of injury. The abrasive cut-off wheel could shatter and flying fragments may cause injury.
▶ Never use abrasive cut-off wheels for grinding.
▶ Move the product to and fro while maintaining a 5° to 30° angle of attack and applying moderate pressure.
▶ This will avoid overheating and discoloration of the workpiece and help ensure an even surface finish.
8
Care and maintenance
WARNING
Risk of injury with battery inserted !
▶ Always remove the battery before carrying out care and maintenance tasks!
DANGER
Electric shock due to breakdown of protective insulation. When working on metal under extreme
conditions, conductive dust (e.g. metal, carbon fiber) may accumulate inside the power tool, thereby
adversely affecting the protective insulation.
▶ Use a stationary dust extraction system when working under extreme conditions.
▶ Clean the air vents frequently.
Care of the product
•
Carefully remove stubborn dirt.
•
Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
•
Use a dry, clean cloth to clean the contacts of the product.
Care of the Liion batteries
•
Never use a battery with clogged air vents. Clean the air vents carefully using a dry, soft brush.
•
Avoid unnecessary exposure of the battery to dust and dirt. Never expose the battery to high levels of
moisture (e.g. by being dipped in water or left in the rain).
If a battery has been soaked by moisture, treat it as a damaged battery. Isolate it in a non-flammable
container and consult Hilti Service.
•
Keep the battery free of extraneous oil and grease. Do not permit dust or dirt to accumulate unnecessarily
on the battery. Clean the battery with a dry, soft brush or a clean, dry cloth. Do not use cleaning agents
containing silicone as these can attack the plastic parts.
Do not touch the contacts of the battery and do not remove the factory-applied grease from the contacts.
18
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