8
VARIABLE SEAT HEIGHT
in combination with different sizes and
positions of driving wheel/steering
wheel.
Different seat heights and seat angles
can be achieved by the following chang-
es.
•
Changing the size of the driving
wheels.
•
Changing the wheel adapter
(Fig.18).
•
Changing the size of the steering
wheel.
•
Adjusting the angle of the steer-
ing head.
Benefits:
– Individual adaptation of the seat
height to your lower leg length.
– Active driving behaviour by way of
wheel spacing change.
Handling:
Changes should be carried out by your
authorised specialist dealer.
!
Attention:
Moving the wheel adapter forwards
increases the risk of overturning!
The drive wheels should be posi-
tioned at opposite mounting holes for
a perfect driving behaviour.
HANDRIM
All handrims [13] are designed for a
distance to the driving wheel [12] of
15 mm (standard setting) and 25 mm
(Fig.19).
Replacement of handrims or modifica-
tion of handrim distances should always
be carried out by your authorized spe-
cialist workshop.
+
Remark:
Please observe the section
“Handrims” in your brochure
“Safety Notes- Mechanical
Wheelchairs”!
HAND AND SPOKE
GUARD
The hand and spoke guard prevents inju-
ries to the hands occurring by jamming
in the turning spokes of the wheels, as
well as damage to the spokes.
Handling:
Tools: 2x slot screw drivers
– Dismantle clamping screws of the
disc to be replaced.
– Replace defective disc.
– Position new disc (see note).
– Assemble clamping screws.
+
Remark:
Gently press the hand and spoke
guard discs through the appropri-
ate grip wheels.
The notches on the circumference
of the discs lie above the handrim
brackets!
All three bores of the discs should
be positioned between two cross-
ing spokes!
STEERING WHEELS
The steering wheels can be exchanged
without difficulty.
Handling:
Tools
1x open-end spanner (WW* 13)
1x hexagonal stud wrench WW* 6
– Dismantle steering wheel screw con-
nection (A, Fig.20).
– Replace steering wheel, if necessary
or re-position to suit your require-
ments.
– Assemble steering wheel screw con-
nection
+
Remark:
You will find the values for the cor-
rect air pressure for the wheelchair
in the Technical Specifications.
Please note the position of the
washer and the spacer before dis-
assembling the screw connection!
SPECIAL FEATURES OF
MODEL 3.311
for the specialist dealer
The steering head is infinitely adjustable
by 12° with the excenter screw (B,
Fig.21).
The wheel spacing can be changed by
one position. – The screws (C, Fig.22)
must be unscrewed to do this.
The front frame can be replaced
(Fig.23) after the screws (D, Fig.23)
have been unscrewed.
The front frames can be mounted on the
respective opposite located frame side
after the removal of the foot board and
the steering wheels.
The steering wheels are to be mounted
on the outside of the respective frame
tube.
The side change of the front frame
makes a different foot board necessary.
The difference is 8 cm.
!
Attention:
Model 3.311
Excenter screws to adjust the steering
head have to be secured with solu-
ble Loctite glue after every third ad-
justment. – Remove grease and glue
remainders from the flights of the Ex-
center screws or use new Excenter
screws alternatively.
STEERING WHEELS
WW* = Wrench width [mm]
