Usage instructions LITTY 4all & 4you
25
the nut has been completely removed, the
caster wheel fork can be pulled out.
Figure 46: Loosen the nut of the caster wheel axle
using the wrench
Figure 47: Caster wheel axle nut completely re-
moved
When
mounting the caster wheel fork
with
screw-on axle, insert the caster wheel axle
back into the caster wheel bearing block, use
the supplied wrench to tighten the nut of the
caster wheel axle again and secure it with
screw locking fluid.
The nut of the caster wheel axle may not be
tightened by more than 3 Nm to ensure it runs
smoothly. In case more sluggishness is de-
sired, this can be achieved using a higher tight-
ening torque.
19.3.2 Caster wheel forks with quick-re-
lease axle
The
caster fork with quick release axle is re-
moved
using the locking knob on the inner
side of the caster fork. Grasp around the caster
fork and press the locking knob with your
thumb. The caster wheel fork can now be
pulled out.
Figure 48: Caster wheel fork with quick release axle
and locking knob
When
assembling the caster fork with
quick-release axle,
press the locking knob
again and insert the caster fork rotary axle into
the caster wheel bearing block. When doing
this, particular attention must be paid to ensur-
ing that the locking knob springs all the way
out again after attaching the fork, as the forks
are otherwise not secured correctly. You will
know that if you can see the index groove (Fig.
25).
20 Anti-tipping support
To reduce the risk of accidentally tipping back-
wards to a minimum, anti-tipping supports are
available as accessories. The anti-tipping sup-
ports are inserted in the bottom frame tubes
which secures them against twisting.
Locking knob on
inside of fork
Wrench
Caster wheel
bearing block
Nut on the
caster wheel
axle