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6 Care, maintenance, transport and storage
6.1 Care and maintenance of cordless tools
WARNING
Danger of electric shock! Carrying out care and maintenance while the battery is fitted presents a
risk of serious physical injury and burning injury.
▶ Always remove the battery before carrying out all care and maintenance tasks.
Care and maintenance of the tool
• 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.
Care of the lithiumion batteries
• Keep the battery free from oil and grease.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
these may attack the plastic parts.
• Avoid ingress of moisture.
Maintenance
• 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 cordless tool if signs of damage are found or if parts malfunction. Have the tool
repaired by Hilti Service immediately.
• After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
Note
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 Center or online at: www.hilti.com
6.2 Cleaning the dust shield
▶ Clean the dust shield on the chuck with a dry, clean cloth at regular intervals.
▶ Clean the sealing lip by wiping it carefully and then grease it again lightly with Hilti grease.
▶ It is essential that the dust shield is replaced if the sealing lip is damaged.
6.3 Checks after cleaning and maintenance
Note
After cleaning or maintenance, check that all safety devices are fitted and that they function faultlessly.
▶ To check the pivoting guard, open the guard fully by moving the guard operating lever.
◁ The pivoting guard must close quickly and completely when the guard operating lever is released.
7 Troubleshooting
▶ If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
7.1 The circular saw is not in working order.
Malfunction Possible cause Action to be taken
The LEDs indicate nothing. The battery is not fully inserted. ▶ Push the battery in until it
engages with a double click.
The battery is discharged. ▶ Change the battery and charge
the empty battery.
Printed: 01.09.2017 | Doc-Nr: PUB / 5292940 / 000 / 00Printed: 01.09.2017 | Doc-Nr: PUB / 5292940 / 000 / 01
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