
Now gently pull the motor towards the bicycle frame and
ti
ghten the
fi
rst M33 nut onto axle tube with reasonable
force (30-40 Nm). Then
ti
ghten the second M33 nut onto axle tube. When
ti
ghtening, secure
fi
rst M33 nut against
the movement and
ti
ghten second M33 Nut with force against
fi
rst (so called "contra nut") .
For
ti
ghtening, use bo
tt
om bracket tool (see. Figure 1c).
www.EVBIKE.cz
M33 Nut.
In the case of using a frame for the bo
tt
om bracket
of width 73 mm, it is possible to install only one M33 nut.
It is recommended to secure nut with a special glue for
screws (not included in package).