Küschall Ultra-Light User manual

User manual
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küschall® is a registered trademark.
© Küschall AG, Switzerland
Every eort has been made to ensure that the contents of this
publication are fully up-to-date at the time of going to print. As
part of its ongoing improvement of products, Küschall® AG re-
serves the right to modify existing models at any time. Küschall®
dealers will be notied of any such modications. Any use of
this publication, or of parts thereof, as well as any reproduction
of images, must have the written consent of Küschall® AG.
This product complies with Directive 93/42/EEC
concerning medical devices.

Ultra-Light
Contents
3
Contents
1General 5
1.1Information about the User Manual 5
1.2Symbols 5
1.3Limitation of liability 5
1.4Copyright protection 6
1.5Warranty conditions 6
2Safety 7
2.1Safety information 7
2.2Correct use 7
2.3Safety devices 8
3Technical data 9
3.1Dimensions and weight 9
3.2Environmental conditions 10
3.3Tyre pressure 10
3.4Identification label 10
4Components and their function 11
4.1Overview 11
4.2Parking brakes 12
4.3Backrest cover 14
4.4Hingedown back (optional) 14
4.5Push handles 15
4.6Stabilising bar for the back (optional) 16
4.7Sides 16
4.8Antitipper 19
4.9Seat cushion 19
4.10Accessories 20
5Set-up 23
6Using the wheelchair 24
6.1Safety information 24
6.2Braking during use 24
6.3Getting in and out of the wheelchair 25
6.4Driving and steering the wheelchair 26
6.5Negotiating steps and kerbs 27
6.6Going up and down stairs 29
6.7Negotiating ramps and slopes 29
6.8Stability and balance when seated 31
7Transport 33
7.1Safety information 33
7.2Folding and unfolding the wheelchair 33
7.3Removing and fitting the rear wheels 35
8Maintenance 37
8.1Maintenance schedule 37
8.2Repairing or changing an inner tube 38
8.3Cleaning 39
8.4Disinfection 39
9Troubleshooting 40
9.1Identifying and repairing faults 41
10After use 42
10.1Re-use 42
10.2Disposal 42

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Ultra-Light
General
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1 General
1.1 Information about the User Manual
Thank you for choosing a Küschall® wheelchair.
This User Manual contains important information about using
the wheelchair. In order to ensure safety when using your
wheelchair, read the User Manual carefully and follow the
safety information.
The equipment of your wheelchair may differ from the
descriptions and diagrams given here due to the wide range
of models available.
1.2 Symbols
Warnings
In this User Manual warnings are indicated by symbols. The
warning symbols are accompanied by a heading that
indicates the severity of the danger.
WARNING
Indicates a hazardous situation that could result in
serious injury or death if it is not avoided.
CAUTION
Indicates a hazardous situation that could result in
minor or slight injury if it is not avoided.
IMPORTANT
Indicates a hazardous situation that could result in
damage to property if it is not avoided.
Tips and recommendations
Gives useful tips, recommendations and information
for efficient, trouble-free use.
1.3 Limitation of liability
All the information and warnings in this User Manual have
been drawn up in accordance with current standards and
regulations, the latest technological developments, and our
expertise and experience over many years.
Küschall AG accepts no liability for damage arising from:
Non-compliance with the User Manual
Incorrect use
Natural wear and tear
Incorrect assembly or set-up by the purchaser or a third
party
Technical modifications
Unauthorised modifications and/or use of unsuitable
spare parts
The written authorisation of Küschall AG must be obtained
before installing additional adaptations on a Küschall
wheelchair. Otherwise no liability claims can be made.

General
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1.4 Copyright protection
This User Manual is protected by copyright. It may not be
reprinted or copied or transferred to third parties in part or in
full without the prior written consent of the manufacturer.
1.5 Warranty conditions
Warranty claims against Küschall AG may only be made by the
distributor and not by the wheelchair user. The warranty
conditions appear as a separate document in the sales
documentation.

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Safety
7
2 Safety
This section contains important safety information for the
protection of the wheelchair user and assistant and for safe,
trouble-free use of the wheelchair.
2.1 Safety information
WARNING! Risk due to driving style being
unsuitable for the conditions
There is a risk of skidding on wet ground, gravel or
uneven terrain.
Always adjust your speed and driving style to the
conditions (weather, surface, individual ability, etc.).
WARNING! Risk of injury
In a collision you could sustain injury to parts of your
body that extend beyond the wheelchair (e.g. feet or
hands).
- Avoid an unbraked collision
- Never drive into an object head-on
- Drive carefully through narrow passages.
WARNING! Risk due to wheelchair being out of
control
At high speed you could lose control of your
wheelchair and overturn.
- Never exceed a speed of 7 km/h.
- Avoid collisions in general.
CAUTION! Risk of burning
The wheelchair components can heat up when
exposed to strong sunlight.
2.2 Correct use
The wheelchair is propelled manually and should only be
used for independent or assisted transport of a disabled
person with mobility difficulties. When used without an
assistant, it should only be used by persons who are physically
able to use the wheelchair safely (e.g. to propel themselves,
steer, brake). The wheelchair should only be used indoors and
on level ground and accessible terrain.
WARNING!
Any other or incorrect use of the wheelchair could
lead to hazardous situations.

Safety
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2.3 Safety devices
WARNING! Risk of accidents
Safety devices that are incorrectly set or no longer
working (brakes, antitipper) can cause accidents.
- Always check that the safety devices are working
before you use the wheelchair and have them
checked regularly by the specialist dealer.
The functions of the safety devices are described in Section 4
–Components and their function.

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Technical data
9
3 Technical data
3.1 Dimensions and weight
Seat width (SB)
28–50 cm
Seat depth (ST)
32-50 cm
Seat height front
(SHv) 43–53 cm
Seat height rear
(SHh) 39–50 cm
Lower leg length
(UL) 20-50 cm
Backrest height (RH)
30–51 cm
Total width (GB) 1)
45-67 cm
Backrest angle (RW)
82°–102°
Weight 2)
9.9 kg
Maximum user
weight 3)
100-130 kg
1)
Total width = seat width + 17 cm (standard configuration)
2)
Lightest configuration with SW 40 and SD 40, may vary
3)
Dependent on SW; see the identification plate on your
wheelchair

Technical data
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3.2 Environmental conditions
Do not expose the wheelchair to temperatures below -20°C or
above 40°C.
3.3 Tyre pressure
The ideal pressure depends on the tyre type:
Tyre Max. pressure
Low-resistance tyre 7 bar 700 kPa 101 psi
Treaded tyre (marathon) 7.5 bar 750 kPa 108 psi
Slick tyres (speed run) 10 bar 1000 kPa 145 psi
Mountain bike tyre 4 bar 400 kPa 58 psi
Tubed tyre, carbon wheel 14 bar 1400 kPa 202 psi
3.4 Identification label
The identification label is attached to the frame of your
wheelchair and gives the following information:
Küschall AG
Benkenstrasse 260
4108Witterswil
SWITZERLAND
01/10/2009 Read User Manual
100 kg
SN 01234567890
www.kuschall.com
Active wheelchair, tipping backwards possible !







KÜSCHALL Ultra-Light 2009 SB 40 cm
cManufacturer’s address
dProduct description
eDate of manufacture
fInstruction to read the User Manual
gMaximum user weight
hSerial number
iWarning that this is an active wheelchair and can tip
backwards.

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Components and their function
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4 Components and their function
4.1 Overview
cPush handle
dBack
eRear wheel with handrim
fParking brake
gFront wheel fork with front wheel
hFootrest
iFrame
jSeat
kClothes-guard
Short description
The Küschall Ultra-Light is a folding active wheelchair with
cross struts.
The equipment of your wheelchair may differ from
the diagram as each wheelchair is manufactured
individually to the specifications in the order.

Components and their function
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4.2 Parking brakes
The parking brakes are used to immobilise the wheelchair
when it is stationary to prevent it from rolling away.
WARNING! Risk of overturning if you brake
sharply
If you apply the parking brakes while you are
moving, the direction of movement can become
uncontrollable and the wheelchair may stop
suddenly, which can lead to a collision or to you
falling out.
- - Never apply the parking brakes while you are
moving.
WARNING! Risk of overturning
The parking brakes will not operate correctly unless
there is sufficient air in the tyres.
(Section 3 – Tyre pressure)
Standard push brake
To apply the brake, push the brake lever forwards as far as
possible.
To release the brake, pull the brake lever backwards.
Pull brake
To apply the brake, pull the brake lever backwards as far
as possible.
To release the brake, push the brake lever forwards.

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Components and their function
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Performance brake
To apply the brake, push the brake lever forwards as far as
possible.
To release the brake, pull the brake lever backwards.
Active brake
To apply the brake, pull the brake lever forwards beside or
between your knees as far as possible.
To release the brake, push the brake lever backwards
beside or between your knees.

Components and their function
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4.3 Backrest cover
You can adjust the tension of the backrest cover as required.
Adjusting the backrest cover
Remove the backrest cushion.
Loosen the Velcro® tapes on the rear of the backrest cover
by simply pulling on them.
Tighten or loosen the tapes as required then reattach
them.
IMPORTANT
Do not overtighten the bands; this is to ensure that
the geometry of the wheelchair is not changed.
IMPORTANT
If the bands are set very loose, the tipping point of
your wheelchair is changed for the worse.
IMPORTANT
Only ever tighten the belts when the wheelchair is
unfolded.
4.4 Hingedown back (optional)
The back can be hinged down and straightened up in both
the folded and unfolded state.
Hinging down/straightening up the back
To hinge down the back, grip the strap on the back of the
wheelchair and pull it upwards.
At the same time, push the upper edge of the back
forwards.
To straighten up the back, grip the upper edge of the back
and fold it upwards.
IMPORTANT
Do not fold and unfold the wheelchair when the
back is hinged down.

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Components and their function
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4.5 Push handles
IMPORTANT
Always check the push handles before using the
wheelchair, as to whether the hand grips are secure,
cannot be turned and cannot be pulled off.
Foldable push handles (optional)
Foldable push handles are used when the push handles are
only required occasionally.
To fold down the push handles, hold the wheelchair with
one hand. Grip the push handle with the other and using
your thumb activate the release that is concealed under
the plastic. (1)
At the same time pull the push handle backwards (2) and
fold it down (3).
To fold the push handles up, bring the push handle into
the horizontal position until it engages.
IMPORTANT
Make sure that the push handle does actually
engage so that it does not accidentally fold down
while pushing the wheelchair.
Height adjustable, angled push handles,
(optional)
The infinitely height adjustable push handles allow any
assistant to adjust the handles to a comfortable level.
To set the height of the push handles, loosen the bolt c,
push the handle to the desired position and tighten the
bolt again.

Components and their function
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4.6 Stabilising bar for the back (optional)
An optional stabilising bar is available to increase the rigidity
of the backrest on wheelchairs with large back heights or
widths.
IMPORTANT
Do not use the stabilising bar to lift or push the
wheelchair. It could break.
IMPORTANT
Release the stabilising bar before folding the
wheelchair.
Releasing the stabilising bar
Push the spring pin con the fastening on the left-hand
side and swivel the stabilising bar downwards.
The stabilising bar can also be completely removed, by
pushing the spring pins on both sides. The stabilising bar can
then be taken off.
4.7 Sides
Siderest in the frame colour, height adjustable,
foldable
Folding
Grip the siderest by the cushion or by the front curve and
fold it back.

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Components and their function
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Removing
Fold the siderest back and pull it up out of the holder on
the back.
Fitting
Insert the siderest from above into the holder on the back.
Fold it downwards.
Adjusting the height
Tip the lever con the front of the support and move the
armrest upwards or downwards until you reach the
desired height.
Engage the lever.
Perform the setting on both sides.
CAUTION
This siderest does not engage into the wheelchair.
- Therefore you should not hold it in order to lift the
wheelchair.
Siderest with locking mechanism, height
adjustable, foldable
Folding
Push the grey grip cand fold the siderest back.
Removing
Fold the siderest back and pull it up out of the holder on
the back.
Fitting
Insert the siderest from above into the holder on the back.
Fold it downwards.
Adjusting the height
Release the bolt in the middle of the seat back using a
spanner.

Components and their function
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Move the armrest upwards or downwards until you reach
the desired height.
Tighten the screw.
Perform the setting on both sides.
Siderest, infinitely height adjustable
Removing
Pull the siderest by the arm cushion out of the holder.
To adjust how easy or difficult it is to pull the siderest out
of the holder, change the degree to which the screws are
tightened.
Fitting
Push the siderest into the holder.
Adjusting the height
Loosen the screw cof the retaining plate d.
Move the armrest upwards or downwards until you reach
the desired height.
Tighten the screw c.
Perform the setting on both sides.
Simple armrest, height-adjustable, swivelling
Removing
Raise the armrest and pull it upwards out of the holder.
Fitting
Push the armrest into the holder.
Adjusting the height
Pull the armrest out of the holder.
Loosen the screw on the tube of the armrest and screw it
back in at the desired height.
Push the armrest back into the holder.
Perform the setting on both sides.

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Components and their function
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Swivelling
Raise the armrest a little and swivel it outwards.
4.8 Antitipper
An antitipper prevents the wheelchair from tipping
backwards.
WARNING! Risk of overturning
Antitippers that are incorrectly set or no longer
working can lead to overturning.
- Always check that the antitipper is working before
using the wheelchair and have it set or readjusted by
a specialist dealer when required.
Activating the antitipper
Push the antitipper downwards and swivel it backwards
until it engages.
CAUTION! Risk of tipping
An activated antitipper can catch when negotiating
a step or an edge.
- Always deactivate the antitipper before driving
over a step or kerb.
Deactivating the antitipper
Push the antitipper downwards and swivel it forwards
until it engages.
4.9 Seat cushion
A suitable cushion is needed to provide an even pressure
distribution on the seat.

Components and their function
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4.10 Accessories
Safety belt
Your wheelchair can be fitted with a safety belt which will
prevent you from falling out.
Fitting a safety belt
IMPORTANT
Safety belts must be fitted by a specialist dealer.
Opening the safety belt
Push in the PRESS button and pull the catch cout of the
buckle d.The safety belt opens.
Closing the safety belt
Push the catch cinto the buckle d.
Tighten the belt euntil you are held securely in the
wheelchair.
Tipper aid
With the tipper aid, an assistant can tip the wheelchair more
easily, in order to navigate steps for example.
Hold the wheelchair by the push handles.
Press the tipper aid with your foot and hold the
wheelchair in the tipped position until you have
overcome the obstacle.
CAUTION! Risk of overturning
The tipper aid must not project beyond the external
diameter of the rear wheel.