progeo YOGA User Manual page 13

Fig.13
Checking that the rear axles are correctly positioned is
one of the regular maintenance procedures that should be
carried out by the occupant
If the axles are not correctly placed and
fastened they may work loose during normal
use and could result
overbalancing and possibly causing injury.
Check the correct
functioning of the quick
release axle without any
person sitting on the
chair.
Disengage the brakes
With one hand on the
backrest tube, lift the
chair a few centimetres
on the side where the
rear wheel will be
removed.
Take hold of the wheel
hub with your fingers
laced through one or two
spokes and pull and push
hard (as indicated by the
arrow) in order to ensure
that the wheel is properly
fastened.
in the wheelchair
2.8 Backrest locking check
After opening the the wheelchair (see chapter 5.2 "Opening
system"), carefully check that the backrest is fully opened and
locked (the pin A" has to be inserted). Grip the wheelchair with one
hand on the front frame and the other on the backrest handle and
then pull the backrest tube back and forth to make sure it is properly
locked. Make the same check for both sides (see figure 14).
Fig. 14
YOGA 13