Operating Instruction C 4/36 -90/-350/-DC (01)

*2024462*
2024462 English 9
Malfunction Possible cause Action to be taken
LEDs on the charger
don’t light.
Charger malfunction. ▶ Unplug the appliance
and then plug it back
in. If the LED still
doesn’t light, please
bring the charger to
Hilti Service.
7 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.
Printed: 03.01.2019 | Doc-Nr: PUB / 5069441 / 000 / 12