Hilti NURON SF 4-22 Manual De Instrucciones página 41

3. Set the forward/reverse switch to the desired direction of rotation.
6.7 Hammer-action drilling
SF 4H-22
1. Set the function selector ring to the "hammer drilling" position
2. Set the forward/reverse switch to the "forward" position.
6.8 Switching off
▶ To switch the product off, release the control switch.
7 Care and maintenance
WARNING
Risk of injury with battery inserted !
▶ Always remove the battery before carrying out care and maintenance
tasks!
Care of the product
• Carefully remove stubborn dirt.
• Carefully clean the air vents, if present, with a dry, soft brush.
• 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.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning
agents containing silicone as these can attack the plastic parts.
Maintenance
• Check all visible parts and controls for signs of damage at regular
intervals and make sure that they all function correctly.
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English 37