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Aluminium axle with
hexagon socket
Figure 82: Caster wheel with aluminium hexagon
socket
Now you can see the aluminium axle with a
hexagon socket (AF 4 mm) in the middle of the
axle. This hexagon socket is used to fix the
axle in place, while the second M6 axle fixing
screw (AF 4 mm) is unscrewed. To do this,
insert an Allen key (AF 4 mm) into the hexagon
socket on the aluminium axle and hold it still.
At the same time, unscrew the remaining M6
axle fixing screw (AF 4 mm) on the other side.
Now the caster wheel can be removed from
the fork. One spacer each is mounted to the
right and left on the caster wheel that you are
able to remove in order for it to be reused later
when reinstalling the new caster wheel. In case
you want to install a different type of caster
wheel, use the enclosed spacers as these
generally differ from one type of caster wheel
to another.
Spacer
Figure 83: Spacer on the caster wheel
33
Operating instructions SPEEDY F4 & F2
To mount the caster wheel, proceed in the
reverse order as for removal. Please make
sure that the spacers on the right and left on
the caster wheel are re-installed in the caster
fork before assembly. The torque of the M6
axle fixing screws (AF 4 mm) is 7 Nm. It is
recommended only to use screws with polymer
dry locking coating. Screws without polymer
dry locking coating must be secured with screw
locking fluid.
23.1.2 Replacing the caster wheels when
mounted using an axle fixing screw
and nut
To remove the caster wheel, hold the M6 nut
(AF 10 mm) firmly and loosen the M6 axle
fixing screw (AF 4 mm). Now you can remove
the M6 nut and washer, the M6 axle fixing
screw with washer and the caster wheel.
M6 axle fixing screw with
washer
Figure 84: M6 axle fixing screw (viewed from the
outside of the product)
M6 nut with washer
Figure 85: M6 nut (viewed from the inside of the
product)
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