Otto Bock Centro S1 User manual

Centro S1
Instructions for use ............................................................................................... 3

2 Centro S1

Foreword1 5..............................................................................................................................................................
Product description2 6............................................................................................................................................
Function2.1 6..............................................................................................................................................
Product overview2.2 6..................................................................................................................................
Intended use3 7........................................................................................................................................................
Indications for use3.1 7................................................................................................................................
Indications3.2 7...........................................................................................................................................
Contraindications3.3 7.................................................................................................................................
Absolute Contraindications3.3.1 7....................................................................................................................
Relative Contraindications3.3.2 7.....................................................................................................................
Qualification3.4 7.........................................................................................................................................
Safety4 7....................................................................................................................................................................
Explanation of warning symbols4.1 7..............................................................................................................
Safety instructions for assembly and adjustments4.2 7......................................................................................
Safety instructions for use4.3 7......................................................................................................................
Side effects4.4 10........................................................................................................................................
Further information4.5 10..............................................................................................................................
Nameplate4.6 11..........................................................................................................................................
Delivery5 11...............................................................................................................................................................
Scope of delivery5.1 11................................................................................................................................
Storage5.2 11..............................................................................................................................................
Storage during daily use5.2.1 11......................................................................................................................
Storage during extended disuse5.2.2 11............................................................................................................
Preparing the product for use6 12.........................................................................................................................
Assembly6.1 12...........................................................................................................................................
Settings and assembly instructions7 13................................................................................................................
Prerequisites7.1 13......................................................................................................................................
Safety Instructions for Assembly7.2 13...........................................................................................................
Adjusting the drive wheels7.3 14....................................................................................................................
Adjusting the position of the drive wheels7.3.1 14...............................................................................................
Adjusting the quick-release axle7.3.2 14............................................................................................................
Adjusting the handrims7.3.3 14........................................................................................................................
Adjusting the caster wheels7.4 14..................................................................................................................
Adjusting the wheel locks7.5 14.....................................................................................................................
Adjusting the back support upholstery / seat upholstery7.6 15...........................................................................
Installing and adjusting the leg supports7.7 15................................................................................................
Installing the supplied leg support7.7.1 15.........................................................................................................
Adjusting the lower leg length7.7.2 15...............................................................................................................
Adjusting the posterior lower leg pad on the elevating leg support7.7.3 16............................................................
Adjusting the angle of the elevating leg support7.7.4 16......................................................................................
Installing and adjusting the side panels7.8 16..................................................................................................
Installing and adjusting the anti-tipper7.9 17....................................................................................................
Installing the anti-tipper7.9.1 17........................................................................................................................
Adjusting the anti-tipper7.9.2 17.......................................................................................................................
Installing and adjusting the lap belt7.10 17.......................................................................................................
Delivery8 18...............................................................................................................................................................
Final inspection8.1 18..................................................................................................................................
Transport to the customer8.2 18....................................................................................................................
Handing over the product8.3 18.....................................................................................................................
Use9 19......................................................................................................................................................................
Instructions for use9.1 19..............................................................................................................................
Getting in and transferring9.2 19...................................................................................................................
Legrests9.3 19............................................................................................................................................
Attaching and removing the leg support9.3.1 19.................................................................................................
Table of contents
3Centro S1
Table of contents

Special features of the “elevating” leg support9.3.2 20........................................................................................
Adjusting the leg supports9.3.3 20....................................................................................................................
Seat and back upholstery9.4 21.....................................................................................................................
Removing and installing the seat upholstery9.4.1 21...........................................................................................
Removing and installing the back support upholstery9.4.2 21...............................................................................
Seat cushion9.5 21......................................................................................................................................
Side panels9.6 22........................................................................................................................................
Folding down the side panels9.6.1 22...............................................................................................................
Push handles9.7 22......................................................................................................................................
Drive wheels9.8 22.......................................................................................................................................
Removing and mounting the drive wheels9.8.1 23...............................................................................................
Caster wheels and caster forks9.9 24.............................................................................................................
Approach in case of stiffness9.9.1 24................................................................................................................
Wheel locks9.10 24.......................................................................................................................................
Using the wheel locks9.10.1 24..........................................................................................................................
Anti-tipper/tip-assist9.11 25............................................................................................................................
Activating and deactivating the anti-tipper9.11.1 25..............................................................................................
Using the tip-assist9.11.2 26..............................................................................................................................
Lap belt (seat belt)9.12 26..............................................................................................................................
Transfer version9.13 27..................................................................................................................................
Disassembly and transport9.14 27...................................................................................................................
Use in vehicles for transporting persons with reduced mobility9.15 28..................................................................
Care9.16 28..................................................................................................................................................
Cleaning9.16.1 28............................................................................................................................................
Cleaning by hand9.16.1.1 28................................................................................................................................
Cleaning in a washing chamber/wheelchair washing system9.16.1.2 29....................................................................
Cleaning the seat cushion9.16.1.3 29....................................................................................................................
Cleaning belts/straps9.16.1.4 29..........................................................................................................................
Disinfection9.16.2 30........................................................................................................................................
Maintenance and repair10 30...................................................................................................................................
Maintenance10.1 30.......................................................................................................................................
Maintenance intervals10.1.1 30..........................................................................................................................
Maintenance tasks10.1.2 31..............................................................................................................................
Repair10.2 31...............................................................................................................................................
Inner tube, rim tape and tyre replacement10.2.1 31..............................................................................................
Disposal11 33.............................................................................................................................................................
Disposal information11.1 33............................................................................................................................
Information on re-use11.2 33...........................................................................................................................
Legal information12 33..............................................................................................................................................
Liability12.1 33..............................................................................................................................................
Warranty12.2 33............................................................................................................................................
Service life12.3 33.........................................................................................................................................
Technical data13 33...................................................................................................................................................
Appendices14 34........................................................................................................................................................
Threshold values for wheelchairs transportable by train14.1 34...........................................................................
Required tools14.2 34....................................................................................................................................
Torque values of the screw connections14.3 35.................................................................................................
4 Centro S1
Table of contents

1 Foreword
INFORMATION
Date of last update: 2020-03-19
►Please read this document carefully before using the product and observe the safety notices.
►Obtain instruction from the qualified personnel in the safe use of the product.
►Please contact the qualified personnel if you have questions about the product or in case of problems.
►Report each serious incident in connection with the product, in particular a worsening of the state of health, to
the manufacturer and to the relevant authority in your country.
►Please keep this document for your records.
INFORMATION
►New information regarding product safety and product recalls as well as the declaration of conformity can be
obtained at [email protected] or from the manufacturer’s service department (see inside or outside of back
cover for addresses).
►You can request this document as a PDF file at [email protected] or from the manufacturer’s service depart
ment (see inside or outside of back cover for addresses). The PDF file can also be displayed in a larger size.
You have received a product that is very versatile for everyday use at home and outdoors.
In order to exclude injuries of any type, familiarise yourself with the handling, functions and intended use of the
product before using it. These instructions for use provide you with the related necessary information.
Please note the following in particular:
• All users and/or their attendants must be trained by qualified personnel in the use of the product. In particular,
users and/or attendants must be informed of the residual risks with the aid of the safety notices in the instruc
tions for use (user).
• The product was adapted to the needs of the user. Subsequent changes may be made only by qualified per
sonnel. We recommend checking the product settings onceper year to ensure optimal treatment over the long
term. Especially for users with a changing anatomy (forexample body dimensions, weight), an adjustment at
least onceevery six months is recommended.
• Your product may differ from the models shown. In particular, not all the options described in these instruc
tions for use will be installed on your product.
• The manufacturer reserves the right to make technical changes to the model described in these instructions for
use.
5Centro S1
Foreword

2 Product description
2.1 Function
The wheelchair is intended exclusively for transporting one person on the seat.
The wheelchair can be used on solid ground both indoors and outdoors.
2.2 Product overview
1
Centro S1
Maximum load: 100kg
1 Push handle 8 Leg support, segmented, removable
2 Back support, back support upholstery 9 Frame
3 Side panel with forearm support 10 Caster fork
4 Drive wheel 11 Caster wheel
5 Handrim 12 Tip-assist
6 Seat 13 Release button for quick-release axle
7 Wheel lock
6
Product description
Centro S1

3 Intended use
The safe use of the product can only be ensured in case of intended use in accordance with the information con
tained in these instructions for use. The user is ultimately responsible for accident-free operation.
3.1 Indications for use
The wheelchair is intended for everyday indoor and outdoor use, by the user or an attendant, of people with tem
porary or permanent limitations of the ability to walk, inability to walk or difficulty standing up.
The product is suitable for users with intact skin whose anatomy (suchas body dimensions and weight) permits the
intended use of the product.
The wheelchair may only be used with the options listed on the product order form.
Ottobock assumes no liability for combinations with medical devices and/or accessories from other manufacturers
outside the modular system.
Combinations based on a combination agreement that have been evaluated for effectiveness and safety are an
exception to this.
3.2 Indications
• Minor to pronounced or complete restrictions of mobility
3.3 Contraindications
3.3.1 Absolute Contraindications
• None known
3.3.2 Relative Contraindications
• Failure to meet physical or mental requirements
3.4 Qualification
Installation and adjustment tasks may only be carried out by qualified personnel. Compliance with all manufacturer
specifications and all applicable legal provisions is required. Please contact the manufacturer’s service department
for further information (see inside or outside of rear cover for addresses).
4 Safety
4.1 Explanation of warning symbols
WARNING Warning regarding possible serious risks of accident or injury.
CAUTION Warning regarding possible risks of accident or injury.
NOTICE Warning regarding possible technical damage.
4.2 Safety instructions for assembly and adjustments
WARNING
Making incorrect adjustments
Risk of falling, tipping over or malposition of the user due to incorrect settings
►Settings may only be changed by qualified personnel unless otherwise prescribed.
►Before testing setting changes with the user seated, all screw connections must be firmly tightened.
►Check the product for safety and functionality after changing the settings.
4.3 Safety instructions for use
Hazards during preparation for use
WARNING
Independent modification of settings
Serious injuries to the user due to improper changes to the product
►Do not modify the settings established by the qualified personnel. Only the settings described in the section
“Use” in these instructions for use may be adjusted independently.
►In case of problems with the settings, please contact the qualified personnel who adjusted your product.
7Centro S1
Intended use

WARNING
Improper handling of packaging materials
Risk of suffocation due to neglect of the duty to supervise
►Packaging materials must be kept out of the reach of children.
Risk of hand injuries
CAUTION
Pinching on components
Pinching, crushing due to lack of caution in danger areas
►Do not reach between the drive wheel and wheel lock or drive wheel and side panel when driving the wheel
chair.
►Do not reach into the spokes of the rotating drive wheel.
►Pay attention not to pinch parts of your body at the wheel lock lever or between the side or frame parts.
CAUTION
Heat development when braking with handrims
Burns due to insufficient hand protection
►Wear wheelchair gloves when travelling at high speeds.
Hazards while driving
WARNING
Improper use of the wheel lock
Falling due to abrupt braking, rolling away of the wheelchair, damage to the wheel lock
►Do not use the wheel lock as a driving brake.
►Apply the wheel lock to prevent the wheelchair from moving on uneven ground or during transfers (e.g.into a
car).
CAUTION
Lack of driving experience
Tipping over, falling due to errors in handling the product
►Practise on level, open ground first.
►Learn with the support of an assistant how the product reacts to changes in centre of gravity, e.g.downward
or upward slopes, inclines or when overcoming obstacles.
CAUTION
Leaning forward in the wheelchair
Tipping over, overturning due to incorrect centre of gravity
►Do not lean too far out of the wheelchair when trying to pick up objects.
►Lean well forward with your upper body when climbing gradients, overcoming obstacles on gradients or on
ramps. If users cannot lean their upper body forward, accompanying persons must support the wheelchair
from behind.
CAUTION
Risky operation
Falling, tipping over backwards due to approaching obstacles incorrectly
►Push slowly when crossing obstacles (e.g. steps, curbs) and negotiating uphill or downhill slopes and
inclines.
►Never cross obstacles at an angle. Always approach obstacles head on (at an angle of 90°).
►Raise the front wheels before crossing obstacles.
►Avoid collisions with obstacles and dropping off curbs/ledges.
►Avoid riding cross-country.
8
Safety
Centro S1

CAUTION
Lack of tipping resistance on public transport
Tipping over, user falls, damage to the product due to incorrect positioning
►When using public transit, always observe the currently applicable legal requirements and the safety notices
of the public transit operator.
►Use the permanently installed seats in the vehicle. If you depend on using your wheelchair as a seat, please
use the designated wheelchair spaces and safety securing equipment provided. Always ensure that you are
held in place securely.
CAUTION
Incorrect handling at level crossings
User may fall or tip over due to driving error
►Only cross railway systems and railway tracks in the designated areas.
►Negotiate level crossings so the caster wheels of the product cannot get caught in the gap between the rail
and the road surface.
CAUTION
Driving in the dark
Risk of collisions with other traffic participants due to lack of lighting
►Wear bright clothing or clothing with reflectors.
►Install active lighting on your product.
►Ensure that the reflectors on the product are clearly visible.
Hazards when overcoming obstacles
WARNING
Overcoming steps and obstacles without assistance
Tipping over, falling of the user due to failure to observe transportation instructions
►Always have accompanying persons help you negotiate steps and other obstacles.
►Use available facilities (e.g. access ramps or lifts).
►If such facilities are not available, have 2 assistants carry you over the obstacle.
WARNING
Improper lifting by attendants
Tipping over, falling of the user due to lifting on components that come loose or are not intended for lifting
►Only lift the product on permanently welded components (e.g. main frame).
►Do not lift the product on components installed with screw connections or add-on components.
Hazard in case of broken skin
CAUTION
Skin damage
Skin damage or pressure points due to overloading
►Check your skin for intactness before and during use of the product.
►Pay attention to diligent skin care and pressure redistribution during interruptions in using the product.
►If skin damage or other problems occur during use, stop using the product. Consult the qualified personnel.
Hazards due to fire, heat and cold
CAUTION
Extreme temperatures
Hypothermia or burns due to contact with components, failure of components
►Do not expose the product to any extreme temperatures (e.g.direct sunlight, sauna, extreme cold).
►Do not leave the product in the immediate vicinity of heaters.
9Centro S1
Safety

Hazards due to improper use of the product
WARNING
Overloading
Severe injuries if the product tips over due to overloading, damage to the product
►Do not exceed the maximum load capacity (see the nameplate and section "Technical data").
►Please note that certain accessories and add-on components will reduce the remaining load capacity.
WARNING
Exceeding the service life
Serious injuries due to failure to observe the manufacturer’s requirements
►Using the product beyond the specified expected service life leads to increased residual risk.
►Observe the specified service life.
WARNING
Incorrect pushing or pulling of the wheelchair
Risk of falling, tipping over due to user error
►Only the push handles may be used for pushing or overcoming obstacles. The tip-assist should be used in
addition.
►If a stabiliser bar is installed, it must not be used for pulling or pushing.
►The attendant should make sure that he/she has a secure stance and firm grip (on both sides).
►In case of damage, have the push handles repaired promptly.
CAUTION
Use of the product during diagnostic examinations and therapeutic treatment
Impairment of the examination results or the effectiveness of treatment due to interactions of the product with
devices that are used
►Make sure that examinations and treatments are carried out exclusively under the prescribed conditions.
CAUTION
Uncontrolled driving behaviour, unexpected sounds or odours
Falling, tipping, collision with persons or nearby objects due to defects
►If any faults, defects or other hazards that can lead to personal injury are detected, the product must be taken
out of service immediately. This includes uncontrolled movements as well as sounds that are unexpected or
previously not noted or odours that deviate significantly from the state of the product at the time of delivery.
►Contact the qualified personnel.
NOTICE
Use under incorrect environmental conditions
Damage to product due to corrosion or abrasion
►Do not use the product in salt water.
►Make sure that the wheel bearings are not damaged by sand or other particles.
4.4 Side effects
The following side effects may occur during use of the product:
• Neck, muscle and joint pain
• Circulatory disorders, risk of pressure sores
Contact a doctor or therapist in case of problems.
4.5 Further information
INFORMATION
Even in the event of compliance with all applicable guidelines and standards, alarm systems (e.g. in department
stores) may respond to your product. Should this happen, remove your product from the area where the alarm
was triggered.
10
Safety
Centro S1

INFORMATION
The serial number required for enquiries and orders can be found on the nameplate. For explanations of the
nameplate, see the section "Nameplate" (see Page11).
4.6 Nameplate
The nameplates are found on the crossbrace.
Label Meaning
AManufacturer’s product name
BCE marking
CMaximum load (see section “Technical data”)
DManufacturer information/address
ESerial number1)
FManufacturing date2)
GSymbol for medical device
HWARNING! Read the instructions for use before using the
product. Observe important safety-related information
(e.g.warnings, precautions).
IThe product has not been approved by the manufacturer for use
as a seat in vehicles for transporting persons with reduced
mobility
JManufacturer’s reference number for the product variant
KSerial number (PI)3),1)
LGlobal Trade Item Number (DI)4)
1)YYYY = year of manufacture; WW = week of manufacture; PP = production site; XXXX = sequential production
number
2)YYYY = year of manufacture; MM = month of manufacture; DD = day of manufacture
3)UDI-PI to GS1 standard; UDI = Unique Device Identifier, PI = Product Identifier
4)UDI-DI to GS1 standard; UDI = Unique Device Identifier, DI = Device Identifier
5 Delivery
5.1 Scope of delivery
• Wheelchair ready for use
• Instructions for use
• Instructions for use for accessories (depending on equipment)
5.2 Storage
5.2.1 Storage during daily use
The product should always be stored so it is protected against external influences.
5.2.2 Storage during extended disuse
The product must be stored in a dry place. Specific information for extended storage: see Page33.
It is not necessary to disassemble the product.
Maintain sufficient clearance from sources of heat. If the product is parked for an extended period of time or the
tyres overheat (e.g.in the vicinity of radiators or in case of exposure to strong sunlight behind glass), the tyres may
become permanently deformed.
During extended storage, the knee lever wheel lock on wheelchairs with PU tyres (=tubeless tyres) must be
released since tyre deformation may otherwise result.
11Centro S1
Delivery

6 Preparing the product for use
6.1 Assembly
CAUTION
Exposed pinch points
Crushing, pinching due to incorrect handling
►When folding the wheelchair out or together, only grip by the specified components.
CAUTION
Failure to verify readiness for use before putting into operation
Tipping, falling due to incorrect adjustment or installation
►Before you start using the wheelchair for the first time, check the chosen wheelchair settings with the support
of qualified personnel.
►After every assembly, check for proper mounting of the drive wheels. The quick-release axles must be
securely locked in the receiver bushings.
►Pay particular attention to the stability against tipping, free running of the drive wheels and correct function of
the brakes/wheel locks.
INFORMATION
On the topic of disassembly/transport: see Page27.
It only takes a few simple steps to prepare the wheelchair for use:
1) For drive wheels with quick-release axle: Attach drive wheels to the quick-release axle mountings (see
fig.2):
→Press in the button on the quick-release axle.
→Attach the drive wheel to the quick-release axle mounting and release the button on the quick-release axle.
→The quick-release axles must not be removable after releasing the push-button.
2) Unfold the wheelchair (see fig.3; see fig.4).
3) Attach the leg supports (see Page19).
4) If necessary: Fit the seat cushion. The seat cushion is secured against sliding by being pressed on to the
hook-and-loop closure.
2 3
12
Preparing the product for use
Centro S1

4
7 Settings and assembly instructions
7.1 Prerequisites
WARNING
Making incorrect adjustments
Tipping over, falling or malposition of the user due to incorrect adjustments
►Adjustment and assembly work may be carried out only by qualified personnel.
►Only the adjustments described in these instructions for use may be carried out.
►Settings may only be changed within the allowable adjustment ranges; otherwise, the stability of the product
may be impaired (see this section and the “Technical data” section). If you have questions, contact the
manufacturer’s service department (see inside back cover for addresses).
►Only conduct tests in the presence of an assistant.
►Unless expressly described, you may not change any settings with a person sitting in the product.
►Secure the user against falling out during all tests.
►Before testing setting changes with the user seated, firmly tighten all screw connections.
►Check for safe function before delivering the product.
CAUTION
Unsecured screw connections
Pinching, crushing, tipping over, falling of user due to assembly errors
►Always firmly re-tighten the mounting screws and nuts after changing settings. Observe the specified torques
in doing so.
►Any time you loosen a screw connection with thread lock, replace it with a new screw connection with thread
lock or secure the old screw connection with medium strength thread locker (e.g.Loctite241).
►Always replace self-locking screws and nuts with new self-locking screws and nuts after disassembly.
Fine-tuning and adjustments should always be carried out in the presence of the user. The user should be sitting
upright in the wheelchair while making adjustments.
All parts of the product should be cleaned thoroughly before adjustments are made.
The tools required for adjustments and maintenance tasks as well as the torque values for screw connections are
listed in the section "Appendices" (see Page34).
7.2 Safety Instructions for Assembly
WARNING
Improper assembly of removable wheels
Tipping, falling over of the user due to wheels coming off
►After each assembly, verify the proper fit of the removable wheels. The quick-release axles must be firmly
locked in the wheel attachment.
13Centro S1
Settings and assembly instructions

CAUTION
Use of unsuitable tools
Pinching, crushing or damaging the product due to use of unsuitable tools
►When completing the tasks, only use tools that are suitable for the conditions at the place of work and for
which safety and the protection of health are assured with proper use.
►Observe the specifications in the section "Required Tools".
NOTICE
Tipping or falling of the product
Damage to product due to lack of attachment
►When you work on the product, secure it so that it cannot tip over or fall over.
►Use a clamping fixture to secure the product whenever you work on it at a workbench.
7.3 Adjusting the drive wheels
7.3.1 Adjusting the position of the drive wheels
The rear wheel position cannot be adjusted with this wheelchair type.
7.3.2 Adjusting the quick-release axle
The quick-release axle should be set so the wheel is correctly engaged, with no play on the axle.
1) Hold the quick-release axle by the head (wrench size: 19mm) and by the tip (wrench size: 11mm) with a ring
and open-ended wrench respectively.
2) Adjust the play by turning the nut on the end of the quick-release axle (see fig.5, item1) in or out.
5
7.3.3 Adjusting the handrims
With this wheelchair type, the handrims cannot be adjusted.
7.4 Adjusting the caster wheels
With this wheelchair type, the caster wheel position and caster wheel journal angle cannot be adjusted.
7.5 Adjusting the wheel locks
WARNING
Failure to verify brake functionality
Accident, falling of the user due to incorrect adjustment
►Check the correct spacing between the wheel lock bolt and tyre (see the following section for details).
►Check the correct position of the wheel lock bolt relative to the tyre. During braking, the wheel lock bolt has to
cover at least half the tyre width.
►Always carry out adjustments to the wheel lock on both sides.
►Ensure that the user can operate the wheel lock without great effort. The force required to do so must not
exceed 60N.
►Only use original drive wheels with a verified maximum radial out-of-round of 1mm.
This adjustment must be made for fine adjustment of the wheel lock.
14
Settings and assembly instructions
Centro S1

1) Loosen the connection in the groove on the inside of the frame tube (see fig.6, item1).
2) The wheel lock is continuously adjustable/moveable (see fig.6, item2).
3) When the wheel lock is disengaged, the gap between the tyre and wheel lock bolt must not exceed 25mm
(see fig.7).
4) Tighten the hexagon nut on the inside of the frame tube to 15Nm.
→After adjustment, the left and right knee lever wheel locks must both have the same braking force.
6
5 mm
7
7.6 Adjusting the back support upholstery / seat upholstery
The back upholstery and seat upholstery tension cannot be adjusted with this wheelchair type.
7.7 Installing and adjusting the leg supports
The distance between the footplates and the sitting surface influences sitting stability. The height adjustment acts
on the pelvis and ischial bones.
7.7.1 Installing the supplied leg support
Depending on the order, the elevating leg support (see Page20) was included with the overall product.
The following steps are required for installation:
1) Push the release lever of the installed leg support to the inside (see fig.19).
2) Fold the existing leg support out by 90° and remove it from the leg support holder (see fig.17).
3) Hold the elevating leg support 90° out to the side and insert it into the leg support retainer (see fig.8, item1).
4) Swing the leg support into the direction of travel until it engages.
8
7.7.2 Adjusting the lower leg length
The required leg support height depends on the lower leg length of the user and the thickness of the seat cushion.
“Folding” leg support
1) Loosen the thumb screw on the leg support (see fig.9).
2) Press in the push-button on the leg support and adjust the leg support height (see fig.10).
→The ball engages at the chosen level.
3) Hand-tighten the thumb screw on the leg support (see fig.9).
15Centro S1
Settings and assembly instructions

9 10
“Elevating” leg support
1) Loosen the clamping screw on the leg support (see fig.11, item1).
2) Adjust the leg support height (not illustrated).
→A mark on the foot plate bar indicates the minimum insertion depth of the bar during installation.
3) Tighten the clamping screw to 5Nm (see fig.11, item1).
11
7.7.3 Adjusting the posterior lower leg pad on the elevating leg support
The posterior lower leg pad on this leg support is height-adjustable.
1) Loosen the mounting nut (see fig.11, item2).
2) Slide the calf pad to one of the three possible levels.
3) Tighten the mounting nut to 5 Nm.
7.7.4 Adjusting the angle of the elevating leg support
Adjusting the angle of this leg support is described in the section “Use” (see Page20).
7.8 Installing and adjusting the side panels
Depending on the order, the side panel with long arm support was included with the overall product.
The following steps are required for installation:
1) Loosen the screw connection of the existing side panel (see fig.12, item1/2).
2) Pull the screw connection out and remove the side panel. If a lap belt is installed: Also remove the lap belt.
3) Install the supplied side panel in place of the old side panel (see fig.12, item1/2). If a lap belt was installed:
Reinstall the lap belt in the same position.
4) Firmly tighten the screw connection. Make sure that the side panel can be folded over.
16
Settings and assembly instructions
Centro S1

12
With this wheelchair type, the armrest height cannot be adjusted.
7.9 Installing and adjusting the anti-tipper
CAUTION
Incorrect installation of the anti-tipper
Tipping over, falling of the user due to incorrect adjustment
►Verify that the anti-tipper has been installed and adjusted properly. Find the appropriate position with the
assistance of a helper.
7.9.1 Installing the anti-tipper
Depending on the order, the anti-tipper was included with the overall product.
Installing the anti-tipper is highly recommended for untrained users. The following steps are required for installa
tion:
1) Cut open the end cap on the frame tube and remove (see fig.13).
2) Press in the push-button on the upper tube section of the anti-tipper (see fig.14, item1).
3) Slide the anti-tipper into the frame tube until the tripod spring snaps into place automatically.
13 14
7.9.2 Adjusting the anti-tipper
The length of the anti-tipper does not have to be separately adjusted after installation on this wheelchair model.
7.10 Installing and adjusting the lap belt
CAUTION
Incorrect approach to the adjustment process
Injuries, malpositions, user discomfort due to adjustment errors
►The qualified personnel is responsible for the individual positioning and fitting of the belt system.
►Adjusting the belt system too tightly may lead to unnecessary pain or user discomfort.
►Adjusting the belt system too loosely can cause the user to slide into a dangerous position. In addition, the
fastening snaps could open unintentionally if they slide against hard parts of clothing (e.g.buttons).
17Centro S1
Settings and assembly instructions

CAUTION
Lack of instruction
Injuries, malpositions, illness of the user due to incorrect information
►The qualified personnel is responsible for making sure that the user and/or attendant/nursing staff has under
stood the proper adjustment, use, maintenance and care of the belt system.
►In particular, ensure that the user and/or attendant/care staff knows how to quickly loosen and open the
product to avoid delays in case of emergency.
Depending on the order, the lap belt was included with the overall product.
The following steps are required for installation:
1) Loosen the screw connections of the existing side panels one after the other (see fig.12, item1/2).
2) Slightly pull out the respective mounting screw from the inside. Hold the lap belt against the bore respectively
from the outside.
3) Put the mounting screw respectively through the safety belt and firmly tighten the screw connection (see
fig.16, item1). Make sure that the side panel can be folded over.
4) Adjust the safety belt. Information on the settings can be found in the manufacturer’s instructions for use
accompanying each product.
15 16
8 Delivery
8.1 Final inspection
A final check must be carried out before the wheelchair can be handed over:
• Do the quick-release axles rotate freely and lock securely?
• Only after adjustment: Have the brakes (wheel locks) been adjusted correctly?
• Only after adjustments: Has the anti-tipper been adjusted correctly?
8.2 Transport to the customer
The wheelchair should be transported to the user in disassembled state using the outer packaging.
8.3 Handing over the product
WARNING
Lack of instruction
Tipping over, falling of the user due to lack of knowledge
►Instruct the user or the attendant in the proper use of the product when handing it over.
The following steps must be performed for the safe delivery of the product:
• A sitting test has to be conducted with the user of the product. Pay special attention to proper positioning
according to medical considerations.
• The user and any attendants must be instructed in the safe use of the product. In particular, the enclosed
instructions for use are to be used.
• The instructions for use must be given to the user/attendant upon delivery of the wheelchair.
18
Delivery
Centro S1

9 Use
9.1 Instructions for use
• Attaching loads (e.g.backpacks) can adversely affect stability. Therefore, suspending additional loads on the
wheelchair is not permitted.
• The recommended overall width for manual wheelchairs in an operational state is 700mm. This specification
should ensure unhindered use of escape routes,for example. Please note that the product dimensions can
exceed the recommended value in versions with very large seat widths (for more information see see Page33
ff.).
• The wheelchairs in this series fully satisfy the minimum technical requirements for wheelchairs transportable by
train. However, please note that it is possible that not every individual wheelchair will fulfil the minimum require
ments due to the variation in designs (please see see Page34 for further details).
9.2 Getting in and transferring
CAUTION
Incorrect handling when getting in
Risk of falling, tipping or rolling away due to incorrect handling
►Activate the wheel lock each time before you get into or out of or transfer to or from the wheelchair.
►Always get into the wheelchair from the side, where possible.
►Never step on the foot plates when getting in and out.
►Do not support yourself on the wheel lock when getting in/out.
CAUTION
Incorrect caster wheel position when leaning forward in the wheelchair
Tipping over, falling due to incorrect caster wheel positioning
►Prior to activities that require you to bend forward in the wheelchair (e.g.tying your shoes), maximise the sta
bility of the wheelchair.
►In order to do so, push the wheelchair backwards until the caster wheels turn forward.
Users can choose the method for getting into and out of the wheelchair which is most suitable for them. The
respective procedure should be discussed and practised with a therapist.
As a rule, the frame tubes, seat bottom or side panels can be used as supports for getting into the wheelchair.
If getting in independently is not possible, transferring or getting in always has to be performed with the help of an
assistant. The manufacturer also offers transfer aids for getting in, such as transfer boards.
9.3 Legrests
CAUTION
Improper use of the legrests
Tipping over, falling due to errors in handling the product
►Fold up the footplates before getting in.
The user's feet can be placed on the leg support.
9.3.1 Attaching and removing the leg support
The leg supports can be removed to make it easier for the user to get in and out.
Attaching the leg support
1) Hold the leg support 90° out to the side and insert it into the leg support retainer (see fig.17).
2) Swing the leg support into the direction of travel until it engages (see fig.18).
3) Fold the foot plate down.
Removing the leg support
1) Fold the foot plate up.
2) Push the release lever to the inside (see fig.19).
3) Fold the leg support out by 90° and remove it from the leg support holder (see fig.17).
19Centro S1
Use

17 18
19
9.3.2 Special features of the “elevating” leg support
These leg supports allow positioning of the leg at different angles.
Adjusting the leg support angle
1) Push the release lever on the leg support forward (see fig.20, item1)
2) Set the leg support to the desired angle (see fig.20, item2).
Use the fine grid to adjust the angle (see fig.21, item1)
3) Push the release lever back (see fig.21, item2).
The new angle setting is locked.
20 21
9.3.3 Adjusting the leg supports
Further adjustments may be made only by qualified personnel.
20
Use
Centro S1