Atlas Lite User Manual
I n v a c a r e Atlas Lite
®
ISO 9001
Yes, you can.
User guide
Foreword
The information contained in this manual is subject to change without notice. Some information is submitted
under copyright – all rights reserved. Any information in this document cannot be photocopied or duplicated
without prior written authorization by Invacare.
As the European and world leader manufacturer of wheelchairs, Invacare endeavours to supply a wide range
of wheelchairs to meet all the needs of the user in everyday life. However, final selection of the wheelchair
rests solely with the user and his/her qualified health advisor.
Proper and efficient use of the wheelchair that you have chosen is based upon the medical prescription
which was issued for you on the basis of your pathology and the nature of your disability.
Your wheelchair is especially designed to be used inside, and with certain restrictions outside. Please comply
with traffic regulations.
Stamp of the Distributor
Introduction
Dear Customer
Thank you for purchasing an Invacare wheelchair.
This model was designed to provide you with all the benefits and features to meet your needs. Only quality
components were selected for your wheelchair based upon rigorous inspections during the entire manufacturing process.
This manual describes the operating limits of your wheelchair, maintenance operations and adjustments that
you or your assistant can make.
This product conforms to the requirements of Council directives 93/42/EEC related to medical devices class
1(one) product by application of following standards: NF EN ISO 14971 and NF EN 12182.
However, all the repairs (except for inner tubes) as well as some adjustments, require specific technical
training and, therefore, must be performed by your distributor.
The I n v a c a r e Atlas Lite is designed for both indoor and outdoor use with the purpose of helping people
who are not able to walk over a long distance.
®
TABLE OF CONTENTS
B. DESCRIPTION OF YOUR CHAIR
A. GENERAL GUIDELINES
Page
2
1. Safety and operating limits
1.1. Reaching an object from the chair
1.2. Sideways transferring to other seats
1.3. Tilting
1.4. Tilting, kerbs
1.5. Stairways
1.6. Slopes
3
5
6
6
7
7
2. Operating instructions
2.1. Folding and Unfolding the wheelchair
2.2. Wheelchair propulsion
2.3. Lifting the wheelchair
8
9
9
3. Safety inspection and maintenance
3.1. Performance control
3.2. General inspection
10
10
4. Transportation
4.1. Test report
4.2. Observation
4.3. Restraint systems
11
12
13
5. Warranty
5.1. Standard terms and condition
5.2. Limitation of liability
14
14
6. Summary of operating instructions
14
1. General
1.1. Introduction
1.2. General description
2. Adjustments
2.1. Seat elements
2.1.1 Padded seat upholstery
2.1.2 Rigid seats
2.1.3 Backrest type
2.1.4 Backrest upholstery
2.1.5 Footrest supports
2.1.6 Armrests
2.2. Frame
2.2.1 Side frame
2.2.2 Folding system
2.2.3 Seat height adjusment
2.3. Rear wheel
2.3.1 24" wheels
2.3.2 Handrims
2.3.3 Axles
2.4. Castors
2.5. Brakes
2.5.1 Manual brakes
2.5.2 Hub brakes
2.6. options
2.6.1 Seating options
2.6.2 Transit version
3 Specification and tool
3.1. Standard wheelchair specifications
3.2. Tools for adjustments and regular maintenance (Not supplied)
3.3 Dimensions
Page
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A GENERAL GUIDELINES
1. Safety and operating limits
For a safe operation of your wheelchair, the following parameters should be observed :
- Stability and balance
Your wheelchair has been designed to provide the stability
you need during normal daily activities.
Any movement in the wheelchair will have an impact on
the position of the centre of gravity, which may lead to the
wheelchair tipping and a fall.
To improve your safety when you move a lot or you transfer your weight from one place to another, we recommend
using seat belts.
- Weight distribution (figure 1)
Many actions cause the user of a wheelchair to reach out,
lean over or move about within the wheelchair and outside
it. These movements cause a change to normal balance,
centre of gravity (G) and weight distribution of the wheelchair.
1
- Weight Limit
The maximum recommended weight of the user is 120
kg. However, the level of activity is an essential factor. For
example, an active user who weighs 75 kg may subject the
wheelchair to more stress than that of a user who weighs
100 kg. To this purpose, we recommend that you consult
your retailer when choosing the model of wheelchair based
upon your daily life style.
1.1 Reaching an object from the chair
The limitations on reaching out from a wheelchair indicated
in the following diagrams have been calculated based on a
representative sample of wheelchair users:
- Only the arms should be extended beyond the seat of the
wheelchair. (figure 2).
- The body and head should remain within the boundaries of
the seat. (figure 3).
2
3
3
1.1.1 Leaning forward
1.1.2 Leaning backward
Do not extend your chest over the armrest (figure 4).
In order to reach an object in front of you, you must lean and
bend down ; therefore, you must use the castors as a tool
(pointing them forward) to maintain stability and balance. An
accurate alignment of the wheels is essential for your safety
(figure 5).
Position wheelchair as close as possible to the desired object
so that you can simply pick it up by stretching your arm
while sitting in the chair in a normal position. In any case, do
not lean backwards because you may cause the chair to tip
(figures 6 and 7).
4
4
5
6
7
1.2 Sideways transferring to other seats
This may be done without assistance provided that you are
sufficiently mobile and have a strong enough torso.
- Move the wheelchair as close as possible to the seat
to which you would like to sit, with the castors pointed
forward. Lock the wheels by applying the brakes. Move the
weight of your body towards the seat (figure 8)
- While moving from the wheelchair to the seat, your body
will have little or no support. Where possible use a transfer
board during transfers.
- If you are more or less able to stand up and if your upper
body is sufficiently strong and mobile, you can transfer
forward to another seat. Fold the footplate up and push
the footrest/legrest to the side, bend your body forward
leaning on the two armrests and lift yourself up; then shift
your body towards the place where you want to sit while
distributing your weight to the arms and hands (figure 9).
8
!
Warning :
- Position yourself as close as possible to the place where
you wish to sit.
- When transferring, position yourself as far back as possible
in the seat to prevent breaking screws, damaging the seat
upholstery or causing the wheelchair to tip forward.
- Lock the two brakes ; they should not be used in any case
as support for transfers.
- Never stand on the footrests when you are getting in or
out of the wheelchair (figure 10).
5
9
10
6
1.3 Tilting (balancing on the rear wheels)
1.4 Tilting, Kerbs
For greater safety, this operation must be performed by an
attendant. The attendant should be aware of the required
physical effort and use appropriate positioning in order to
relieve the strain on his/her back (keep a straight back and
bend your knees during this operation).
To tilt the wheelchair, the attendant must firmly grab the handles making sure both are properly fixed. Warn the occupant
in the wheelchair before tilting it and remind him / her to
lean backwards and make sure that both feet and hands of
the user are clear of the wheels.
Place a foot on the footstep tube and move continuously
until the chair reaches the equilibrium point. At this stage, the
assistant will feel a difference in weight distribution, which
usually occurs at approximately 30°. At this point, the
wheelchair can get over the obstacle easily.
Finally, the attendant slowly and gradually lowers the front
down to the ground, while firmly holding the handles.
To get on the pavement :
- Method 1 (figure 11)
The attendant positions the wheelchair in front of the
pavement facing forward. Attendant tilts the wheelchair
backwards until the castors reach the pavement; attendant
pushes the wheelchair forward until the rear wheels are
against the kerb and again pushes the wheelchair until the
rear wheels climb over the kerb.
- Method 2 (figure 12)
In this case, the attendant stays on the pavement and
moves the wheelchair in a backwards position with the rear
wheels against the kerb. The attendant tilts the wheelchair
backwards until it is balanced and pulls the wheelchair with a
steady movement until the rear wheels climb over the kerb ;
then he / she lowers the castors, while making sure that the
chair is far enough on the pavement so that the castors do
not fall into empty space.
! Warning :
- Be aware of detachable parts such as armrests or legrests :
they must NEVER be used as lifting supports as they may be
inadvertedly released, resulting in possible injury to the user
and / or attendant.
- Do not lower the wheelchair suddenly, even if it is several
centimetres from the ground, as this may result in injury of
the user.
11
12
To get off the pavement :
The attendant positions the wheelchair facing forward on
the pavement and tilts it backwards until it is balanced, then
he/she pushes the wheelchair forward until the rear wheels
touch the road after getting over the obstacle; then, he / she
gradually lowers the castors to the ground.
1.5 Stairways
Because this is a difficult movement, we recommend using
two attendants, one in front of the wheelchair and one
behind the wheelchair.
To climb stairways (figure 13) :
After tilting the wheelchair to the point of equilibrium, one
assistant (at the back) holds the wheelchair up against the
first step grasping the handles firmly to lift..
The second assistant, lifts the wheelchair above the stairs,
while holding firmly a fixed part of the frame, and holds it
while the first assistant takes a step and repeats the operation.
13
The wheelchair must not be lowered until the last step has
been passed and the chair is clear of the stairs.
To descend stairways :
Same operation as above, however, in reverse order.
!
Warning :
- Do not attempt to lift the wheelchair by any removable
parts (such as armrests, legrests or footrests).
- Avoid using an escalator which may lead to serious injury
in the event of a fall.
1.6 Slopes
It is recommended to avoid using ramps with a slope higher
than 9°. The wheelchair risks tipping over in the event of
spinning or side movement (figure 14).
14
7
Upward slopes (figure 15) :
2. Operating instructions
Lean the upper body forward and move the wheelchair
forward with short quick pushes on the hand rims to maintain speed and direction control. If you want to rest, apply
both brakes when stopping.
2.1 Unfolding and Folding the wheelchair
2.1.1 Unfolding the wheelchair (figure 18) :
Downward slopes (figure 16) :
Lean backward cautiosly and let the hand rims slide in your
hands. Be ready to react at any moment to control speed
and direction.
8
! Warning :
- Avoid turning suddenly and never try to climb and descend
a ramp diagonally (figure 17).
15
16
- With one hand, grab the armrest or the seat support
tube on one side of the wheelchair and slightly tilt it towards you (so that the rear wheel and castor lift from the
ground) ;
- With the other hand, push on the seat upholstery until
the tube supporting the upholstery is fully unfolded. The
seat upholstery must be fully extended ;
- Then, engage the two manual brakes, open the footrest/
legrest and check the ground clearance (footrest/ground
distance - see § B-2.1.5). You can now sit down in the
wheelchair.
17
18
2.1.2 Folding the chair (figures 19 and 20) :
2.2 Wheelchair propulsion
- Fold and lock the footrest/legrest toward the front of the
wheelchair.
- Swivel the plates into the vertical position. Using both
hands, take the centre front and back edges of the seat
upholstery and lift it. Or, tilt the wheelchair to one side
and close it using the handles on the backrest.
Wheelchair propulsion is provided by the handrims mounted on the wheels.
!
Warning :
- Fold the wheelchair while keeping the seat upholstery
upwards to avoid damage by the folding system.
! Qualified medical and paramedical staff will be able to
provide you with advice regarding the propulsion which is
best adapted to your disability.
2.3. Lifting the wheelchair
Preliminary folds the chair (see § 2.1.2), always lift the
wheelchair by gripping the frame at the points (A) shown in
the figure 21.
! Never lift the wheelchair by removable parts (armrests,
footrests). Ensure the backrest canes are securely in place.
A
19
20
21
9
3. Safety inspection and maintenance
3.2 General inspection
3.1 Performance control
Your distributor, who has the required technical expertise, is
responsible for any wheelchair repairs.
We recommend that you take the wheelchair to your
retailer at least once a year for a complete inspection. Regular maintenance allows the identification and replacement of
defective and worn parts, which improves the daily operation of your wheelchair.
As the user, you will be the first to notice the possible
operational defects of your wheelchair. The following table
indicates the easiest troubleshooting symptoms to identify
and the preliminary inspection that you can perform.
10
In the event that the symptoms persist after adjusting the
pressure in the tyres and tightening screws and nuts, please
consult your retailer.
The inner tubes of the wheels are the only components that
you can repair yourself (see § B-2.3).
The
wheelchair
swerves
to the right
The
wheelchair
swerves
to the left
The
wheelchair
turns or
moves slowly
The
castors
lift
Creaking
and
clinking
Play in
the
wheelchair
Inspections
Make sure that pressure
in the pneumatic tyre
is correct
(cf. § B-2.3)
Make sure that the bolts
are tight
Check the fork angle
Make sure that the 2
castors come in contact
with the ground at the
same time
Regular inspections to be performed by you or your
assistants :
a. General
Make sure that the wheelchair folds and unfolds easily.
Make sure that the wheelchair moves in a straight line. (no
resistance or deviation)
b. Manual brakes
Make sure that the manual brakes do not touch the moving
tyres.
Make sure that the manual brakes operate easily.
Make sure that the joints are not worn and do not have
excessive play.
c. Folding system
Check the folding system for worn or distorted parts.
d. Skirtguard/armrest upholstery
Make sure that all the fittings are properly tightened.
e. Armrests
Make sure that the armrests are firmly attached, but easy to
remove.
f. Armpad
Make sure that the armpads are in good condition.
g. Seat and backrest upholstery
Make sure that the upholstery is in good condition.
h. Rear wheels
Make sure that the wheel nuts and precision bearings are
tight.
Make sure that the wheels are parallel to the frame.
i. Handrims
Check for rough patches.
j. Spokes
Make sure that the spokes are not distorted, loose or broken.
k. Castors
Make sure that the axle is tight by turning the wheel the
wheel must gradually come to a stop.
l. Fork/steering tube
Make sure that all the fittings are well tightened.
m. Pneumatic and solid tyres
Check the pressure of the pneumatic tyres (front =2,5 KPa,
Rear = 3,5 KPa) check the wear of the solid tyre tread.
n. Cleaning and Disinfection
Cleaning: Use only damp clothes and gentle detergent. Do
not use abrasive or scouring liquid. Do not use high pressure cleaning devices on ball bearings (front & rear wheels,
fork axles)
Disinfection: Spray or wipe disinfection using a tested and
recognised product is permitted. A list of the current
permitted disinfectants is available from the Robert Koch
Institute at http://www.rki.de
Make sure you dry the wheelchair if it is wet (e.g. after
washing it or going out in the rain).
4. Transportation
Transport of wheelchairs in vehicles
The Invacare® Atlas Lite has been tested for safety in collisions according to ISO-7176-19:2001, Invacare® Atlas Lite
can be used for transport in vehicles that have been specially
adapted for this purpose. The wheelchair must be securely
fastened in the vehicle according to the methods described
on the following pages.
Remember that the best solution is always to move
the user from the wheelchair into a normal car seat.
4.1 Test report from dynamic safety restraint test
(ISO-7176-19)
Test no : BMF P602501D (fixed backrests)
Customer : Invacare Rea AB, Date : 2006-08-16
Testing to be carried out
Pulse specification : ISO-7176-19
Wheelchair Manufacturer :
Invacare Portugal Lda
Model : Atlas lite
Weight : 16,5 kg (fixed)
Configuration : Forward facing
11
Safety restraint device Manufacturer :
Unwin Safety Systems
Model : 4 Pt WWR/ATF/K/R
Attachment device : Unwin Low Profile Rail
User safety belt : Manufacturer: Unwin Safety Systems
Model : 3 Pt WWR/HD/ATF/K/R
Test dummy : Hybrid III - 75 kg
Test configuration
12
Chassis : Height 50 cm
Backrest : Fixed
Seat : sling type
Armrest : Standard
Legrest : Swing out
Rear wheel : 12" pneumatic
Castor : 8" x 1/4" solid
Accessories : Heel strap
Tested : 2006-08-16
The safety restraint devices used in this test must be approved
according to ISO-10542. We have chosen to work with Unwin,
a well-known quality manufacturer of safety restraint devices
for wheelchairs.
4.2 Observations before transport of wheelchairs in
vehicles
• We recommend that wheelchair users should transfer to the
seat of the vehicle and use the installed restraint system of the
vehicle whenever feasible.
• The wheelchairs are tested in a basic configuration. The use
in other configurations has not been tested. See user manual,
section «Test report from dynamic safety restraint test», for
test configuration.
• Auxiliary wheelchair equipment is either secured to the
wheelchair or removed from the wheelchair and secured in
the vehicle during transit. (i.e. table trays).
• Alterations or substitutions are not to be made to points of
the wheelchair or to structural and frame parts without the
written consent of Invacare®.
• A wheelchair-anchored posture belt must be fitted across
the wheelchair occupant in addition to the lap and diagonal
and restraint (3-point belt).
• Belt restraints are not to be held away from the body by
wheelchair components or parts such as armrests, postural
restraints, wheels, etc. (Picture 22)
• The wheelchair must be securely fastened in the vehicle
with an ISO 10542-2 approved 4-point belt system, according
to the methods described in the manual.
• The occupied wheelchair must be tied down in an forwardfacing configuration, with the parking brake applied.
• The test dummy weight is 75 kg, according to ISO 7176-19,
although the chairs are approved for users up to 120 kg.
• The wheelchair backrest should be positioned as close as
possible to 90 degrees.
• If possible, a headrest should be used during transit, in
order to reduce the risk of neck unjury. The headrest should
be placed as high as possible.
Please observe that even if these products and recommendations are provided in order to increase security and safety.
Correct and incorrect placements of safety belt (picture 22).
4.3 Restraint systems (picture 23)
* Non contractual picture, only for information !
Please refer to best practice recommended instructions
from the safety belt manufacturer.
A. Front restraints with straps
1. Connect the front straps around the frontal part of the
frame.
2. Release brakes and tension front straps by pulling the
wheelchair backwards from the rear.
3. Re-apply wheelchair brakes.
B. Rear restraints
1. Attach the snap hooks on the rear straps to the frame just
above the rear wheel attachments.
2. Tighten the straps.
C. Lap belt
1. The lap belt is mounted on the back frame
(picture 24).
2. Check that the lap belt on the wheelchair is correctly
fastened.
If lap belt on the wheelchair is missing we recommend that
the user should transfer to the seat of the vehicle, if possible.
D. Fastening of car safety belt
The car safety belt should not be kept from the user’s body
by the parts of the wheel chair.
B
D
22
13
23
C
A
24
5. Summary of warranty terms
5.1 Standard Invacare terms and conditions
14
This is to certify that your manual wheelchair is warranted by
Invacare for a period of 2 years for the frame, crossbars and
all others parts, subject to the following conditions :
- The manufacturer will not accept responsibility for damage
caused by misuse or non-observance of the instructions set
out in the user manual.
- During the period of warranty, any parts that have become
defective due to faulty workmanship or materials, will be
renewed or repaired without charge by the Invacare dealer/
supplier.
- The warranty will be forfeited should any unauthorised
alteration be made to the equipment.
- The Purchaser’s statutory rights under the Consumer
Protection Act are not affected.
5.2 Limitation of liability
This warranty does not extend to the consequential costs
resulting from fault clearance, in particular freight and travel
costs, loss of earnings, expenses, etc.
Invacare shall not be liable for :
- Natural wear and tear.
- Inappropriate or incorrect use.
- Defective assembly or setting-up by the purchaser or third
parties.
- Defective or neglectful treatment use of unsuitable spares.
6. Summary of operating instructions for
optimal safety
- Maximum user’s recommended weight : 120 kg.
- Do not attempt to reach objects if you have to move
forward in the seat.
- Do not attempt to pick up objects from the floor by reaching down between your knees.
- Do not lean over the top of the upholstery back to reach
objects located behind you : this may cause you to tip over
- Always engage both manual brakes simultaneously.
- Manual brakes are parking brakes : they must not be used in
any case to slow down the wheelchair or as support during
transfers.
- Do not tilt the wheelchair (down kerbs or steps) without
using an assistant.
- Do not carry in the stairways or escalator, user sited in the
wheelchair whith only one attendant; this may cause serious
injury.
- Do not use the wheelchair unless it has the proper tyre
pressure (front =2,5 KPa, Rear = 3,5 KPa)
- Do not overinflate the tyres : this may cause the tyres to
explode and cause bodily harm.
- Do not expose the wheelchair to a temperature higher than
40°C.
- To avoid injury, keep your fingers away from mobile parts
(armrests, folding system, legrests/footrests), and maintain
good posture before lifting the wheelchair.
!
Avoid riding on wet areas as well as gravel, grass, etc.
(sand and sea water particularly damage ball bearings). When
using the wheelchair inside, we recommend using solid tyre
castors, especially when riding on carpet.
1.2 General description (see photo)
B. DESCRIPTION OF YOUR WHEELCHAIR
1. PRESENTATION
1.1 Introduction
Your wheelchair has been factory set before you purchased
it. However, it must be specifically adapted to your needs.
The following detailed paragraphs describe the various
functions and possible adjustments as well as available
options. You can make some adjustments yourself, while
others can be made only by your dealer.
Important: based upon the selected model or options, your
new Atlas Lite wheelchair may be equipped with all of the
components or options which are described in the
following pages.
Your wheelchair is made of various parts and this manual
describes only the main parts. We recommend that you
become acquainted with the following terms in order to
better understand your wheelchair operation :
The seat consists of the seat and backrest upholstery,
the backrest and armrests. This unit is designed to provide
optimal comfort.

The swing-away footrest support or legrest : this
is the supporting part between the frame and the footrest
which swivels to facilitate transfers and can be removed
during transport.

The footrest consists of an adjustable tube and the
footplate which supports the foot.

The folding frame consists of side frames and a folding
system including the seat rails. These parts constitute the
frame, which is the supporting component of the wheelchair
and its strength is well tested (checked at 120 kg).

! This is a warning symbol ; you must
imperatively follow the instructions that
are provided in these paragraphs to
prevent personal injuries as well as
injuries to people around you !
The rear wheel consists of the wheel, axle and handrim.
The rear wheels ensure the rear stability and allow the
propulsion of the wheelchair using the handrims. They are
mounted on a fixed wheel support brackets.

15
The castor consists of the front wheel and the fork. The
castors provide front contact with the ground and determine
the steering by the direction of the forks.

2. Adjustments
2.1 Seat elements
2.1.1 Padded seat upholstery
The manual brake is a parking brake. The two manual
brakes are used to secure the wheelchair when stationary.

Armpad
Backrest upholstery
Armrest
Backrest
16
Seat
upholstery
Rear wheel
Rear wheel
support
Adjustable
footrest tube
Rear wheel axle
Handrim
Manual
brake
Footplate
Folding
frame
Front wheel
Swing away
footrest
It provides comfortable support to the user.
 Standard padded seat are not adjustable; in the event that
they become slack, it is recommended to request your dealer
to replace them.
2.1.2 Rigid seats :
Toilet seats : they are removable allowing the folding of the
wheelchair, simply lift the seat and put it away, then take hold
of the 2 seat rails and pull them upwards.
Repeat the operation in reverse order to unfold the wheelchair (see § 2.1.1).
 The upholstery and casing of the two seats will wear,
please contact your dealer for possible replacement.
! Make sure that the seat is properly positioned on the 2
seat rails to provide safety and comfort for the user.
Keep your fingers away from movable parts to prevent
injuries during folding and unfolding !
2.1.3 Backrests type
Note : Dismounting backrest: it can be removed for transportation or to change the type, unscrew both buttons (A)
until you can pull up the backrest canes, reverse the procedure to reinstall.
Make sure that the backrest cane preset hole and the button
thread hole are well aligned and firmly tighten the buttons
until their complete locked position.
!
To prevent falls or possible injury to the user and/or
attendant as the backrest canes are used as a support to tilt
and/or climb kerb or stairways, make sure that the backrest
canes are severally tied up to the frame.
- Fixed backrest of 10° (photos 1 and 1A)
Those backrest do not require adjustments.
- Folding backrest (photos 2 and 2A)
To save space during transport, operate lever (A) by pulling or
pushing it and fold the top of the backrest.
A
1
1A
To return to the initial position, bring the top in the vertical
position; it locks automatically.
!
Always make sure that the backrest is properly locked
in place before the user settles down in the wheelchair to
prevent any injuries !
- Reclining backrest 0° to 30°(photos 3 and 3A)
Angle can be adjusted very easily which provides a comfortable rest position, there are 4 angles position by step of 10°.
Simultaneously pull the levers (A) to provides the same angle
on both sides, release the levers when you reach the desired
angle.(photos 3-3A)
Note : Push on the backrest canes before operating the
levers, this is to release the auto-locked security system.
! It is recommended that this operation be performed
only by the attendant. Always make sure that the backrest is
locked in place to ensure perfect safety for the user.
A
2
2A
17
Keep away fingers from moving parts (levers, cylinders, mechanisms, etc.) to prevent injuries !
Avoid operating levers (A) (photos 3-3A) during a sideways
transfer, for example, in order to prevent destabilising the
user’s position !
To ensure safety for the user, when backrest is reclined, we
recommend to use anti-tippers (available as an option).
!
Maintenance of reclining backrest mechanism varies with
use. Please contact your Dealer.
2.1.4 Backrest upholstery
18
Padded backrest it provides excellent daily comfort for the
user who does not need specific support for the upper body.
 In the event that the upholstered backrest slackens, ask for
a replacement from your Dealer.
2.1.5 Footrest supports
- Standard footrest supports (photo 4) they swing away during
transfers and can be removed during transport.
Operate lever (A) by pushing sideways and swivelling towards
outside. To return to the initial position, align the footrest
support it locks automatically.
To remove the footrest support, simply pull up after
unlocking the assembly.
To refit it, brings the support up in the open position, align the
holes (B) on the side mounting and press on, while still in the
unlocked position.
- Legrest (photo 5) performs the same operation as for the
footrest support to swing away or remove the legrest, by
operating lever (A) which unlocks the locking system.
To adjust the angle upwards, support the leg and the front
tube to the required position. To return legrest to lowest
position, operate lever (B) by pulling up.
A
B
B
A
A
3
3A
4
A
5
The calfpad swings away during transfers and is 3 height positions adjustable by sliding.
- Footrests (photo 6) : the footplate can be lifted during
transfers, footrests are height adjustable.
Loosen the bolt (A) to adjust to the desired height, firmly
tighten the bolt after adjustment.
Straps for standard legrest : to ensure a good position of the
feet.
Calf strap attached to the footrest support are both
adjustable by Velcro fasteners.
2.1.6 Armrests
To remove armrest (photo 7), push down the push pin (A)
simply pullthem up, reverse the procedure to reinsert making
sure that the push pin (B) is properly engaged in its housing.
Reverse the procedure to reinstall.
Note : the armrests are mounted in pairs on the wheelchair ;
whenever you remove them, remember that you have a right
and a left side !
!
Note : the standard footrest supports and legrests are mounted in pairs on the wheelchair; whenever you remove them,
remember that you have a right side and a left side !
19
2.2 Frame
2.2.1 Side frame
!
Never lift the wheelchair by the footrest supports or
legrests !
Keep your fingers away from movable parts during folding,
disassembling or adjustment to prevent injuries !
A
Never lift the wheelchair by the armrests !
Keep your fingers away from movable parts during folding,
disassembling or adjustment to prevent injuries !
The side frames are designed to accommodate fixation of
the front and rear wheels. No adjustment is required on side
frames.
A
B
B
6
7
A
8
A
8A
2.2.2 Folding system
It consists of two cross-bars which integrate the seat rails.
To fold and unfold your wheelchair, see chapter A “ General ”
paragraph 2.1. No adjustment is required on folding system.
2.2.3 Seat Height adjustment
The Atlas Lite allows 2 seat heights 50 cm (A) or 47,5 cm (B),
always delivered with 50 cm height (Photos 8-8A).
To achieved 47,5 cm seat height, insert rear wheel quick release axle (see chapter 2.3.3 for detailed operation) into the
chassis bearing (B). Loosen the front wheel bolt (6 mm Allen
key), extract the nut from A and insert into B, firmly tighten
the bolt.
20
2.3 Rear wheels
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.
!
Never exceed the pressure specified on the sidewalls of
the tyre, otherwise, the tyre may explode and cause injuries !
 Pneumatic tyres wear out. In addition, the roughness of
the ground surface and driving have an impact on their longevity. The pressure in the two tyres should be the same.
Replace them regularly to avoid trouble caused by puncture.
Please consult with your Dealer.
2.3.2 Handrims
2.3.1 24" Wheels
The 24" (610 mm) rear wheels are spoked wheels. They can
be delivered with pneumatic or solid tyre.
A flat tyre (photo 9) must be removed in order to be
repaired.
They provide the wheelchair propulsion. They are made of
anodized aluminium.
!
Handrims are constantly in contact with your hands.
Make sure that they are not damaged !
B
A
C
A
9
10
10A
2.3.3 Axles (photo 10)
2.5 Brakes
The Quick release axles connect the wheels and frame :
Depress the button (A) and insert the axle in the bearing (B)
of the chassis until it locks in place.
The locking balls (C) must rise above the bearing.
2.5.1 Manual brakes
No significant side clearance is allowed.
To reduce clearance as much as possible (photo 10A), remove
the axle and adjust the nut using a large appropriate key ; then
block the axle with an appropriate open-end key.
! Make sure that the axle and the locking balls are clean.
To prevent falls, it is essential that the button (A) and the
locking balls (C) are disengaged providing a perfect lock of the
rear wheels.
The quick release axle is a precision part, take care of shocks and
clean regularly to ensure the good working of the mechanism.
2.4 Castors
The solid front wheels are available in 8" x 1 1/4" (200mm x
28 mm) diameter.
B
A
C
Manual brakes (photo 11) are designed to be used for parking
position only.
They should not be used to slow down the wheelchair or as a
support during transfers.
To operate the brakes, push both handles (A) simultaneously
forward and make sure the wheelchair doesn't move at all.
To make transfers easier, the handle (A) can be folded back :
pull it upwards and then push it backwards.
Note : brakes adjustments are based upon the diameter and
type of the wheels. After repairing a flat tyre or in the event of
wear of the pneumatic or solid tyre, you may need to adjust the
brake(s).
To adjust the brake(s), loosen the two screws (B) and slide
the brake assembly to obtain the following value between the
wheel and the brake shoe in unlocked position :
Solid tyre X = 6 mm, Pneumatic tyre X = 5 mm
B
A
A
X
10
10A
11
21
!
Firmly tighten the screws (B) after adjustment.
Keep your fingers away from movable parts to prevent injuries !
2.5.2 Hub brakes
Besides the functions provided by manual brakes, the hub
brakes provide the slow down (for example, on a slope) and
improved safety because they are still efficient when you have
a flat tyre !
The specific adjustments of hub brakes must always be
performed by your Dealer.
!
Always operate the two brakes simultaneously and do
not take slopes exceeding 5% to ensure perfect control of the
wheelchair steering !
2.6.1 Seating options
To slow down, gradually pull the lever (A) upwards.
To lock the brake in parking position, with the lever (A)
tightened, push the lock (B) to engage it in the notches of the
brake handle ; then pull the lock up to unlock.
B
!
2.6 Options
Attendant control : (photos 12 and 13)
22
To adjust braking : turn the screw (C) counter clockwise to
increase braking force and turn clockwise to reduce it.
- Anatomic headrest (photos 14 and 15) : it is mounted on a
specific back brace.
This mounting allows you to adjust the height by operating
button (A), angle and depth using a two levers (B and B’) ; the
cushion is also angle adjustable by operating the lever (B).
B
C
14
B'
A
12
13
A
15
Note : make sure that you properly position the indexable
levers so that they are not in the way or causing injury for
the user or attendant.
!
Do not adjust this option when the user leans over
and make sure that their mounting to the backrest is correct to prevent injuries.
- Back brace (photo 16) : it provides tension to the backrest
upholstery and provides the attendant better ergonomics
when pushing the wheelchair.
- Transit version (photo 17)
The wheelchair is designed to be driven only by the attendant.
To facilitate sideways transfers and save space, the wheelchair
is equipped with rear wheels of 12" (315 mm) with pneumatic
or solid tyre.
The manual brakes with extension lever are only accessible to
the attendant; operate the handle (A) to lock the wheelchair
in parking position.
For brakes adjustments see § 2.5.1
Note : it swings away to facilitate the wheelchair folding;
slightly loosen the button (A), pull up and swivel along the
backrest until it is in vertical position.
To reposition it, reverse the procedure and firmly tighten
the button (A) making sure that the button is properly
tighten (B).
23
!
Do not lift the chair by handling the back brace. There
is a risk to unlocked the back brace by push it up. Keep your
fingers away from movable parts to prevent injuries.
B
A
A
16
17
3. Specifications and tool
3.2.Tools for adjustments and regular maintenance
(not supplied)
3.1. Standard wheelchair specifications
24
Function
Tool
Brake
5 mm Allen key
Footrest tube
8 mm open-end Wrench
Screwdriver Pozidriv n°2
Armpad
Screwdriver Pozidriv n°2
Castor
6 mm Allen key
Maximum user weight :
120 kg
Seat width :
38/41/43/45/48 cm
Seat depth :
42 cm
Floor/seat height :
50/47,5 cm
Rear wheel :
tyre
24" (610 mm) pneumatic
Castors :
8" (200 mm) solid tyre
Parking brake :
Manual brake
After sale and disposal recommendations
Backrest :
Fixed 10°, Folding or
reclining
• It is compulsary to use original Invacare spare parts which
you can buy through any Invacare dealer.
• For repair, please contact your local Invacare dealer.
• Disposal : the metal parts can be disposed of for scrap
metal through recycling. Plastic parts are disposed of as plastic
scrap. Disposal must be carried out in accordance with the
respective national regulation. Please apply to your municipal
authorities/local government for details about local disposal
companies.
Armrests :
Removable
Footrest supports & Legrests :
Removable and swing-away
Seat upholstery :
Black nylon on reinforced
upholstery
Frame :
Steel, epoxy coated
Wheelchair average weight :
16 kg
®
®
®
3.3. Dimensions
Picture
�������
Description
Min/Max
value
Seat effective
width (mm)
380/480
Overall
width (mm)
585/685
575/675
Drum brake
Width of
folded
wheelchair
(mm)
300
Picture
Description
Backrest
height
including
headrest
(mm)
�������
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������
�����
128
����������
�������
�����������
N/A
�������
����
�����
������
Static
on
obstacle
�������
�������
�����������
110
�������
��
�����
������
Static
on
obstacle
����������
��������
�����
600
�������
�������
���������������
������
Static
on
obstacle
N/A
�������
��������
�����
10
Backrest
angle
( 0° )
N/A
220
415/425
415/440
Wheelchair
height when
backrest is
folded (mm)
�������������
������
�����
830
Height from
ground to
back seat
(mm)
460
�������
�����
Lenght
without
footrest
(mm)
890/915
Backrest
height
(mm)
�����������
1090
Distance
between
front wheel and
rear wheel
(mm)
470/495
�������
�����
Overall
lenght
(mm)
Total
height
(mm)
Height from
ground to
front seat
(mm)
Min/Max
value
�����������
Bracket
angle
( 0° )
Distance
between
footrest and
seat (mm)
Distance
between
armrest and
backrest
(mm)
�������
21
18,5
17
530
���������
�����
Armrests
Legrest
Footrests
Rear wheels
����������
�����
�����
3
�������
������
����������
������
16
65
������
������������
�����
�����
815
������
�������
������
������
120
420/500
�������
������
����
870
�������������
��������
������������
������
9
200
�������
�����
����
N/A
�������������
����������
NF EN 1021-1
NF EN 1021-2
25
26
27
Invacare PORTUGAL Lda
Rua Senhora de Campanhã 105
4369-001 Porto
®
Yes, you can.
®
Invacare n.v.
Autobaan 22 8210 Loppem (Brugge) Belgium ( +32 (50) 831010 Fax +32 (50) 831011
®
Invacare A/S
Sdr. Ringvej 39 2605 Brøndby Danmark ((kundeservice) +45 - (0) 3690 0000 Fax (kundeservice) +45 - (0) 3690 0001
®
Invacare Deutschland GmbH
Kleislstraße 49 32457 Porta Westfalica Deutschland
((Technische Hotline) 01 80 - 5 26 22 64 Fax (Technische Hotline) 01 80-5 26 22 75
®
Invacare SA
c/Areny s/n Poligon Industrial de Celrà 17460 Celrà (Girona) España ( +34 - (0) 972 - 49 32 00 Fax +34 - (0) 972 - 49 32 20
®
Invacare Poirier SAS
Route de St Roch F-37230 Fondettes France ( +33 - (0) 2 47 62 64 66 Fax +33 - (0) 2 47 42 12 24
®
V2
Invacare Mecc San s.r.l.
Via dei Pini, 62 I-36016 Thiene (VI) Italia ( +39 - (0) 445-380059 Fax +39 - (0) 445-380034
®
Invacare AS
Grensesvingen 9 0603 Oslo Norge ((kundeservice) +47 - 22 57 95 10 Fax (kundeservice) +47 - 22 57 95 01
®
Invacare PORTUGAL Lda
Rua Senhora de Campanhã 105 4369-001 Porto Portugal
( +351-225105946 Fax +351-225105739
®
Invacare AB
Fagerstagatan 9 163 91 Spånga Sverige ((kundtjänst) +46 - (0) 8 761 70 90 Fax (kundtjänst) +46 - (0) 8 761 81 08
®
Invacare B.V.
Celsiusstraat 46 NL-6716 BZ Ede The Nederland ( +31 - (0) 318 - 69 57 57 Fax +31 - (0) 318 - 69 57 58
®
ATL-G-01 UK
09/2006 - V2
Invacare Ltd
South Road Bridgend Mid Glamorgan CF31 3PY United Kingdom
( (Customer Service) +44 - (0) 1656 - 647 327 Fax (Customer Service) +44 - (0) 1656 - 649 016
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