
10.When the machine is driven by an electric drill, remove the handle first,
then install the connecting screw for the drill(Do not install a gasket when
installing the screw), and use the electric drill last.
11.When it is necessary to remove the screw for the drill (as shown in the
figure above), install the handle and tighten it with a wrench at first, then
hold the handle with one hand and clamp the screw with the drill by the
other hand (be sure to start counterclockwise), so that the screw for drill
can be removed.