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Maintenance
Warning:
Maintenance by untrained persons can lead to incorrect laying of internal cables and incor -
rect installation of components, which can be a serious risk. It is therefore recommended that all main-
tenance work be carried out by qualified personnel.
Lubrication
Upon reception, this tool is ready for operation as it has been sufficiently lubricated. Make sure that the
moving parts of the tool are always lubricated in an adequately manner. It is recommended to grease
gears with a special lubricant whenever a brush change is performed.
Carbon brushes
The brushes and commutators installed in the tool have been designed for many hours of reliable ser-
vice. In order to maintain the efficiency of the device, it is recommended to examine and if necessary
replace the brushes after about 50 hours of operation.
Bearings
The bearings should be replaced after 100 hours of operation or during every second brush change in
order to guarantee a flawless and efficient operation. Bearings that start making noises or do not func -
tion properly should be replaced immediately in order to avoid overheating or motor failure. The re-
placement of bearings should thereby only be replaced by qualified personnel as an incorrect installa-
tion may cause damage to the tool as well as its surroundings and may lead to severe injuries and
even death.
Cleaning
Warning:
Always make sure to turn the device off and to disconnect it from its power supply before
performing repairs, cleaning or maintenance in order to avoid accidents. The most efficient way of
cleaning the tool is the use of dry compressed air. Always wear safety goggles when operating com-
pressed air tools. Ventilation openings and switches must be kept clean and free of dust as well as
other foreign matter, but do not attempt to clean said openings by inserting pointed objects as this
might cause serve damage to the tool.
Note:
Be careful when using detergents or solvents as they might damage the plastic parts of the tool.
Therefore, refrain from using gasoline and carbon tetrachloride or detergents and solvents that are
chlorinated or contain ammonia.
© by WilTec Wildanger Technik GmbH
Item 62422, 62426
Page 8
http://www.WilTec.de
http://www.aoyue.eu
03
2021-1
http://www.teichtip.de
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