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1 - Press the switch to push the front cover if
the tool is stuck or unable to power the
threads
2 - Remove the cover
3 - Remove the pressing plate
4 - Use a brush to clean the foreign objects in
the rail as shown in the figure.
5 - Use a brush to remove foreign objects in the
front binding area as shown in the figure
6 - After the cleaning process is complete,
lubricate with lubricating oil (ordinary white
oil or machine oil) on the cutter and each
movable joint as shown in the figure