Steering Tube; Rear Wheel; 24" & 22" Wheels - Invacare Action4 User Manual

2.2 Frame
2.2.1 Sides
The sides or side frames are designed to accommodate the
steering tubes for the castors and multiple adjustment wheel
mounting for rear wheels.
These wheel mountings allow five height positions and two
longitudinal positions (advanced for better handling or bac-
kward for better stability.
2.2.2 Double folding system
It consists of two double cross-bars which integrate the seat
rails.
To fold and unfold your wheelchair, see chapter A " General "
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paragraph 2.1.
2.2.3 Steering tubes
They provide seat dump (0°, 3° or 6°) based upon user's
capacity, propulsion, desired floor-to-seat height and selected
front and rear wheels.
 All these adjustments and changes of position must be per-
formed by a professional technician upon agreement by your
prescribing physician. Please consult with your dealer.
2.3 Rear wheels
2.3.1 Wheels
The 24" (610 mm) and 22" (550 mm) wheels are only spoked
wheels. They can be delivered with pneumatic or solid tyre.
A flat tyre (photo 20) must be removed in order to be
repaired. Remove the rim assembly (tyre and inner tube),
repair or replace the inner tube, reinsert in the tyre and
reposition the assembly on the rim.
Comply with the inflation pressure specified on the sidewall
of the tyre.
Note : remember that in order to maintain the interchangea-
bility of the chair wheels equipped with quick-release axles,
the pressure in the two tyres should be the same.
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