Alu Rehab Netti 4U comfort|CED User manual

Netti 4U comfort|CED
This product conforms to 93/42/EEC for medical products.
USER MANUAL

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Language: English Model: Netti 4U comfort|CED Version: November 2010
CONTENTS
1. INTRODUCTION 4
1.1 Areas of use/indications for Netti 4U comfort|CED 5
1.2 Contraindications 5
1.3 Quality and durability 5
1.4 The environment and waste disposal 5
1.5 Information for re-use 6
1.6 About this manual 6
1.7 Vital measures 7
2. QUICK REFERENCE 8
3. DESCRIPTION 9
4. FEATURES OF NETTI 4U COMFORT|CED 10
5. ACCESSORIES 11
5.1 Assembly of Hip-Belt 13
6. ASSEMBLING AND ADJUSTMENT 13
6.1 Unpacking 13
6.2 Main wheel 14
6.3 Front castors 14
6.4 Seat height adjustment 14
6.5 Back rest 15
6.6 Seat depth adjustment at the rear 16
6.7 Seat depth adjustment in front 16
6.8 Anti tip 17
6.9 Seat cushion 17
6.10 Back rest cushion 17
6.11 Adjusting velcro back 18
6.12 Foot support 18
6.13 Head support 20
6.14 Arm support 22

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6.15 Adjusting the brakes 22
6.16 Push bow 24
6.17 Seat angle/tilt 25
6.18 Back rest angle 25
7. MANOEUVERING THE WHEELCHAIR 25
7.1 General about driving and parking 25
7.2 Driving techniques - Step up 26
7.3 Driving techniques - Step down 26
7.4 Driving techniques - Slope 26
7.5 Driving techniques - Up stairs 27
7.6 Driving techniques - Down stairs 27
7.7 Transfer 28
7.8 Lifting the wheelchair 28
7.9 Push rim 28
8. TRANSPORT
8.1 Folding for transport 29
8.2 Transport in a car 29
9. MAINTENANCE
9.1 Maintenance instructions 30
9.2 Cleaning and washing instructions 30
10. TROUBLESHOOTING 31
11. TESTS & WARRANTY 32
11.1 Tests 32
11.2 Guarantee 32
11.3 Claim 32
11.4 Spare part guarantee 33
11.5 Special adjustment/adaptation 33
11.6 Combination with other products 33
11.7 Service and repair 33
12. MEASURES & WEIGHT 34

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Netti Rullestoler
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1. INTRODUCTION
Netti 4U comfort|CED is a comfort
wheelchair meant for both indoor and out-
door use. It is tested to DIN EN 12183:2009.
The tests were carried out by TÜV SÜD Product
Service GmbH in Germany.
In Alu Rehab we believe that wheelchairs
should be chosen based on a thorough
assessment focusing on the needs of the
user and demands from the environment.
Therefore it is important to know about
the possibilities and restrictions of the
wheelchair. Netti 4U comfort|CED is a
wheelchair designed for users with the
need for comfort and relief. The combi-
nation between the seating system and the
ergonomical solutions in the frame construction,
offers many possibilities for adaptation and
adjustments.
The wheelchair is constructed for indoor and
outdoor use, and offers the possibility to
vary the sitting position from activity to
rest using tilt and recline functions.
Max user weight: 140 kg.
When mounting accessories such as
power kit etc, the weight of the
accessories must be subtracted from the
max user weight.
Specifications varies between
countries.

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1.1 Areas of use/indications
for Netti 4U comfort|CED
Netti 4U comfort|CED is a multi-function
wheelchair for partially or fully immobile
persons with physical and/or mental
disabilities. These disabilities may have
multiple causes. Netti 4U comfort|CED
has an adjustable seat and back angle,
thus facilitating for the user change of
position, mobilisation or posture correction
(stabilisation), wherever the following
functional impediments with their multiple
possible causes are present:
• limited or lacking mobility
• limited or lacking muscle power
• limited movement range
• lacking or limited trunk and body stability
• hemiplegia
• rheumatic-type disorders
• craniocerebral injuries
• amputations
• other neurological or geriatric disorders.
1.2 Contraindications
Netti 4U comfort|CED is not suited for persons
with a strongly enhanced muscular spasticity.
In this case we recommend the Netti III, which
offers a version with reinforced frame and leg
rests for this particular need.
Ignoring this advice could in unfavourable
circumstances lead to the deformation or
fracture of metal parts in the area of the back
tube, the leg rests or the arm rests
1.3 Quality and durability
The Netti 4U comfort|CED wheelchair is
tested at TÜV SÜD Product Service GmbH
in Germany, following the European
Standard DIN EN 12183:2009. As
manufacturer, Alu Rehab A.S evaluates
the test to be equal to 5-6 years of
normal use of the chair. The disability
of the user as well as the level of
maintenance done foremost decides the
durability of the wheelchair. Thus, the
durability will vary depending on these
two factors.
1.4 The environment and
waste disposal
Alu Rehab and its suppliers wish to
protect the environment.
This means:
• That we avoid using
environmentally harmful
substances and processes
to the greatest extent possible.
• That Alu Rehab’s products are
ensured a long service life and a high
degree of flexibility - to benefit the
environment and economy.
• That all packaging can be recycled.
• That the wheelchair was designed to
be separated into its component
materials - to make recycling easier.
Contact your local recycling agent
to get correct information how to
handle in you area.

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1.5 Information for re-use
All products from Alu Rehab are
designed to give years of maintenance-
free service. All products can be adapted
for re-use by an authorised dealer. In
order to guarantee performance and
safety, Alu Rehab recommends the
following tests prior to any re-use.
Please examine the following
components for function, integrity etc.
and replace parts as necessary:
• Wheels (tyre tread)
• Wheelchair frame
• Cushions
• Hubs
• Brake function
• Directional stability of wheels
• Bearings and front castors
Please also note the contents of
Section 9.2 Cleaning and care
1.6 About this manual
In order to avoid damages while using the
Netti 4U Comfort|CED wheelchair, please
read this manual carefully before starting
to use the chair.
Symbol of forbidden actions.
No warranty can be claimed
whenever these actions are
mplemented.
Symbol of warning.
Whenever this symbol is used,
caution has to be taken.
Symbol for
important
information.
Symbol for
useful tips.
Symbol for
tools.
Anti-tip
Correctly fitted, the anti-tip will secure the
chair from tipping backwards. We strongly
recommend use of the anti-tips.

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1.7 Vital measures
Netti 4U comfort|CED is a comfort wheelchair
designed for both outdoor and indoor use.
Specifications varies between countries.
Total weight: 29 Kg
(450 mm width chair)
Seat width:
350, 400, 430, 450, 500, 550 & 600 mm
Seat depth:
(From back rest cushion to front of seat plate)
425, 450, 475, 500 mm
Seat height:
(From floor to top seat plate using 24” main
wheels in upper hole position).
465 mm*
*By changing position of main wheels, it is
possible to achieve seat height of 500 mm.
whewheel
Backrest height:
480 mm*
* Using back rest extender gives 600 mm
Specification min. max.
Overall length with foot
support
1160 mm -
Overall width 530 mm 780 mm
Folded length 610 mm 645 mm
Folded width 530 mm 780 mm
Folded height 570 mm -
Total mass 28 kg 32 kg
Mass heaviest part 2,3 kg -
Static stability uphill - 4,6°
Seat plane angle 5°20°
Effective seat depth 425 cm 500 cm
Effective seat width 400 mm 650 mm
Seat surface height at front 465 mm 500 mm
Backrest angle 90°135°
Backrest height 48 cm -
Foot support to seat
distance
280 mm 480 mm
Leg to seat surface angle 98°176°
Arm support to seat
distance
265 mm 365 mm
Front location of arm
support structure
265 mm 355 mm
Push rim diameter 535 mm -
Horizontal axle location 70 mm 100 mm
Minimum turning radius 860 mm -

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2. QUICK REFERENCE
The content of this page is a summary
of the whole manual. It gives a brief
introduction to the use and care of the
Netti 4U comfort|CED wheelchair.
The quick reference is not a replacement
for the manual, only a reminder/check
list.
• Unpack the wheelchair (Chapter 6.1)
• Mount the main wheels (Chapter 6.2)
• Mount the front castors (Chapter 6.3)
• Put the back rest back, and mount the
recline gas strut to the back rest using the
locking bolt. (Chapter 6.5)
• Mount the cushions (Chapter 6.9 and 6.10)
• Mount the foot supports (Chapter 6.12)
• Mount the head support (Chapter 6.13)
• Set anti-tip in active position (Chapter 6.8)
• Mount accessory. (See chapter 5 for more
information. Mounting descriptions will
accompany the accessory.)
For troubleshooting, see chapter 10.
For mounting and adjustments see
chapter 6.
Drive carefully!
Drive carefully!
Be aware that friction against push
rims can create a warm surface.
Salt water can increase risk of
corrosion. Further precautions related
to environmental conditions not
needed.
When the chair is tilted rearwards,
the anti tips and brakes should
always be in use.
Be sure to lock all handles properly.
The anti-tips should always be used
for the safety of the user.
Surface temperature of metal parts in
frame structure might increase when
exposed to direct sunlight.
Never stand on the foot supports due
to risk of tipping forwards.
Never lift the wheelchair by the foot
supports or arm supports.
Product configuration may vary
between different countries.
For visually impaired people, manuals
and catalogues can be downloaded
at www.alurehab.com
If in doubt - contact your dealer!

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4
3
7
1
8 2
19
9
18
12 17
16
10 11 15
13 14
3. DESCRIPTION
Standard version*
1. Lock for push bow
2. Release handle
3. Push bow
4. Head support bracket
5. Angle and depth
adjustment for head
support
6. Head support
7. Back rest
8. Arm support with pad
9. Seat cushion
10. Angle adjustable foot
support
11. Calf support bracket
12. Calf support
13. Foot plate
14. Front castors
15. Front fork
16. Brakes
17. Anti tip
18. Main wheel
19. Knee upholstery
If any of these parts are
missing, please contact
your dealer.
* Product configuration may vary
between different countries.

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Standard
SEAT
• Pressure distributive cushion
• Tilt -5° to +20°
• Adjustable depth of 7.5 cm
WHEELS
• 24” x 1” Puncture proof main wheels
with quick release axle
• Push rim: Aluminium
• 7” Puncture proof front castors with
quick release axle
* Standard main wheels may vary
between countries.
BACK REST
• Angle: 90° to 135°
• Height: 48 cm
• The back rest cushion has integrated
lumbar support and side support
• Push bow
FOOT SUPPORT
• Angle adjustable foot support
• Height- and angle adjustable foot
plates
• Removable
ARM SUPPORT
• Height and depth adjustable
HEAD SUPPORT
• Height, depth and angle adjustable
• Removable
Accessories
SEAT
• Trays & reading stand for trays (See chapter 5)
• Hip belts (See chapter 5)
WHEELS
• Puncture proof PU wheels 12”, 16” and 24” 1
with drumbrake (See chapter 5)
• Puncture proof PU 24” 1/3/8
• Pneumatic wheels
BACK REST
• Back rest extender (See chapter 5)
• Lumbar support and wedge (See chapter 5)
• Different back cushions
FOOT SUPPORT
• Universal foot support
ARM SUPPORT
• Hemi cushions (See chapter 5)
HEAD SUPPORT
• Different head support models
(See chapter 5)
4. FEATURES OF NETTI 4U COMFORT|CED

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5. Accessories
Belts
Several variants:
Hip belts with or
without uphols-
tery and with
plastic lock or
car lock.
(See chapter 5.1 for mounting)
Trays
2 models:
Swing-able and
lockable
Upholstery for tray
Offers a soft base for
the arm resting on the
tray.
Wedge
Increases side support.
Lumbar support
Increases lumbar
curvature.
Vital Base Integral
Pelvic stabilizer.
Seat Cushions
Many to choose from.
Please contact your
dealer.
Backrest Cushions
Many to choose from.
Please contact your
dealer.
Spoke protectors
For 20”, 22” and 24”.
Black or transparent is
optional.
Foot box
Upholstered
Foot supports:
Angle adjustable
Universal
Adjustable in fixed positions
between 33° to 105° using an
adjustment wheel.
Amputation support
Upholstery for
calf support bracket
Reduces pressure.

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Head support
Support C Large.
Support A Side support
Support B Small
Hygiene cover
Protects the core of the
head support.
Head cushion
40x40 cm cushion with
Kospoflex filling and rubber
band.
Head cushion Comfort
Cushion with Kospoflex
filling to pull onto
head rest.
Hemi cushion
An accommodating
support for hemiplegic
users.
Backrest extender
12 cm extender.
To be used together with
60 cm back rest cushion.
Main wheels
12”, 16” and
24” with drumbrake
Foot board with lock
The foot support can
be swung to the side
like standard foot
supports.
Side support Correction
Meant for correction of
bad postures in the
upper trunk.
Pad for side support
Correction
Side support Stable
Meant for users with de-
creased stability of the
upper trunk. For otimal
function use together
with Stable cushion.
Pad for side support Stable
Calf pad hinged
The user doesn’t
have to lift the leg
when mounting or
dismounting the
foot supports.
Abduction block
The block reduces
abduction.
Small: 80 mm
width
Medium: 120 mm
width
Large: 140 mm
width
Anti tip
Anti tip with
tramp pedal
Tool set

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5.1 Assembling of hip belt
Illustration 5.1.1
• Pull the belt through the hole in the hip
belt bracket.
Ill. 5.1.1
Illustration 5.1.2
• Thread the belt back through the belt
clamp.
Ill. 5.1.2
Illustration 5.1.3
• Fix the hip belt bracket to the back rest
hinge in the rearmost hole, using the
enclosed screws and nuts.
Ill. 5.1.3
2 pcs13 mm open-end spanner
6. ASSEMBLING AND
ADJUSTMENT
6.1 Unpacking
1. Unpack all the parts, and check that
everything is there according to the
packing list.
2. Mount the main wheels (Chapter 6.2)
3. Mount the front castors (Chapter 6.3)
4. Check and adjust the seat dept (Chap. 6.6)
5. Mount the back rest (Chapter 6.5)
6. Mount the seat and back cushion (Chapter
6.9 and 6.10)
7. Mount the foot supports (Chapter 6.12)
8. Mount the head support (Chapter 6.13)
9. Mount any accessories (Chapter 5).
Weight of components (45 cm width chair):
Main wheels: 1,9 kg each
Anti tip: 0,1 kg each
Front castors: 0,8 kg each
Foot support angle adj.: 2 kg each
Uno|Back: 1,25 kg
VB Sit: 1 kg
Head support A: 1 kg
Head support C: 0,9 kg

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Tools needed are described under each chapter.
Accessories described in chapter 5
is a presentation of options and will be
delivered with sepearate mounting descriptions.
6.2 Main wheel
To mount the main wheel remove the
quick release bolt from the hub bushing,
lead it through the centre of the main wheel
and into the hub bushing while pressing the
knob in center.
To check that the main wheel is
properly attached to the hub, remove
the finger from the central knob and
pull at the main wheel.
If the main wheel doesn’t lock, don’t
use the wheelchair but contact
your dealer.
Sand and sea water (salt used for
gritting in the winter) can damage the
bearings of the main wheels and front
castors. Clean the wheelchair
thoroughly after exposure
6.3 Front castors
To take off
• Press the release button under the front
fork.
To mount
• Lead the quick release axle into the
bearing house. Pull the fork slightly to
ensure that the fork is fully locked.
6.4. Seat height adjustment
The seat height at the rear depends on:
• Size of main wheel.
• Position of main wheel.
• Using 24” main wheels in the upper hole,
the seat height is 46.5 cm from the floor
to the seating plate.
• Using 24” main wheels in the next upper
position, the height will measure 50 cm to
the seating plate.
• Using 12” and 16” main wheels the seat
height is 46.5 cm from the floor to the
seating plate.
If it is required to change position of the
main wheels or to change to a different
size of main wheels, unfix the hub bushing
including washer and nut. Remove the
hub bushing and mount it in the required
position.

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2 pcs. 24 mm open-end spanner.
Make sure that the nut on inside of
frame totally wreathes the wheel
bushing.
Main wheels and front castors should be
mounted according to the description below.
When the seat height is changed ensure
that the front castors are placed so
that the lower frame tube is parallel
with the ground.
Check the position of the anti tip
and readjust the brakes after moun-
ting the main wheels or changing the
6.5 Backrest
• To mount the gas spring, lift the push
bow with one hand, and lead the gas
spring locking head into the plastic
bracket (Ill. 6.5.1).
• Check that the hole in the locking head is
parallel with the open holes in the plastic
bracket.
Ill. 6.5.1.
• Lock the back rest by pushing the locking
bolt through the plastic bracket and
gas spring locking head (Ill. 6.5.2.)
Ill. 6.5.2.
To check that the back rest is
locked, grip the push bow and
press the back rest forward. If
the back rest falls forward -
repeat the locking procedure
or contact your dealer.
• The wheelchair is set to a standard seat
depth, and the plastic bracket has 4 holes
of which three are temporarily blocked with
plastic plugs (Ill. 6.5.3).
24”main
wheel
24"
12" main
wheel
24", 16" and
12" main wheel
24" main wheel
16"

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Ill. 6.5.3
• The back rest hinge has 4 holes (Ill.
6.5.4) The hole positions are in
accordance with the holes in the
plastic bracket. If the locking head of
the gas spring is mounted in the
inner hole of the plastic bracket, the
back rest hinge should also be
mounted in the inner hole etc.
Ill. 6.5.4.
6.6 Seat depth adjustment
at the rear.
• If the seat depth should be adjusted at
the rear, release the locking bolt from
the plastic bracket (Ill. 6.5.2).
• Find the required position for the locking
head in the plastic bracket, and remove
the plastic plug from this hole.
• Lock the back rest by pushing the locking
bolt through the plastic bracket and
the gas spring locking head.
• After changing the hole position in the
plastic bracket, the hole position in the
back rest hinge must be changed into the
parallel position.
Check that the hole in the back rest
hinge and the plastic bracket are
mounted in parallel position.
6 mm Allen-key
6.7 Seat depth adjustment
in front
It is possible to adjust the seat depth with
up to 10 cm in front. Do the following.
• Screw out the screws in the adjustment
piece (Ill. 6.7).
• Place the adjustment piece in the wanted
position
• Replace and tighten the screws
Ill. 6.7
6 mm Allen-key
If the user has spastic tendencies the
adjustment piece should not be pulled
out more than 5 cm.

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6.8 Anti tip
The anti tips should be mounted according to
the mounting description which is enclosed
with the chair upon arrival.
Use of the anti tip
• Pull the anti tip out
• Turn it up or down 180°.
• Lock it in position
Adjusting the height of the anti tip
The anti tip can be adjusted in to fixed
positions. The short position is for 12” & 16”
main wheels and 24” in upper position. The
long position is for 24” main wheels in lower
position.
• Unfix the screw in the adjustable extension
piece as shown in picture below.
• This extension piece has two holes. Place
it in the required position and tighten the
screw
5 mm Allen key
The anti tip should always be used for
the safety of the user.
6.9 Seat cushion
The seat cushion is attached to the seat
plate with velcro.
It is very important to place the cushion
in the wheelchair before use.
6.10 Back rest cushion
The back rest cushion is attached to the
back rest with the velcro.
The seat and back rest cushion covers
are washable and thereby reuseable.
Follow the instruction on the
cushions for correct maintanance and
washing of the cushions.

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6.11 Adjusting the velcro
back
• Loosen the straps and place the back
rest cushion so that the user gets room
for the bottom and the integrated
lumbar support in correct position.
• Tighten the straps so that they follow
the curvature of the spine and gives a
little extra support at the top of the
sacrum.
6.12 Foot supports
Angle adjustable foot support
The angle adjustable foot support is freely
adjustable in angle. It is also swingable and
removeable. The foot plates are foldable
and can be angled in fixed positions.
Delivered with height and depth adjustable
calf support
Mounting of foot support
• Grip the foot support in the hinge point.
Hold it in an angle of app. 20° to the side
frame. Put it into the plastic lock
attached to the extractable adjustment
bar. Swing it in and push down
Adjusting the angle
• The angle of the foot support can be
adjusted using the star wheel.
• Loosening this star wheel enables you to
adjust the foot support to the required
angle.
• Fix the angle by tightening the star screw.

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Squeeze hazard. When adjusting foot
supports in angle, do not put the fingers
in the adjusting mechanism
between the moving parts.
Adjusting the length of the foot support
• Untighten the screw (A) to make the
adjustment tube move
• Adjust the foot support in required
position and fix the screw properly.
Adjusting the angle of the footplate
• The foot plates can be adjusted in angle.
• Untighten the screw (B) and adjust the
foot plate to the required angle. Fix the
screw properly
5 mm Allen key.
Locking and releasing the foot plates
• The foot plates come with a locking bolt
which makes the plates stronger
• To lock the foot plates pull the plastic
lock on the right foot plate and place the
lock over the bolt on the left foot plate.
• To release the foot plate pull the plastic
lock and lift the right foot plate up.
While making the adjustment there
must be no load on the foot plates.
For outdoor use, there should be a
clearance of 4-5 cm between the
foot plate and the ground.
Removing the foot support:
• Pull the plastic lock on the foot plate
rearwards, so that the pin is released,
and the foot plate can be folded up.
• Raise the foot support a few degrees.
• Release the foot support by pulling it
slightly straight up.
• Swing the foot support outwards.
• Lift and remove the foot support. (ill. next
page).

20 Language: English Model: Netti 4U comfort|CED Version: November 2010Language: English Model: Netti 4U comfort|CED Version: November 2010
Language: English Model: Netti 4U comfort|CED Version: November 2010
Netti Rullestoler
Language: English Model: Netti 4U comfort|CED Version: November 2010
Adjusting the calf support
The calf support is height and depth
adjustable. To adjust height unfix the nut on
the outside of the calf support bracket, find
the required height and fix the nut again (Ill.
A).
10 mm open-end spanner
To adjust in depth, the calf pad is
removed from the bracket by using an
open-end spanner between the pad and
the bracket. Find the required position
and refix it (Ill.B)
13 mm open-end spanner
Never stand on the foot supports!
Never lift the wheelchair by the
foot supports.
6.13 Head support
A - Lever for depth adjustment
B - Wheel for angle adjustment
C - Lever for height adjustment
D - Head support bracket
• Place the squared nut in the trace of the
head support bracket as shown above.
• Place the head support in the head
support bracket.
• The height and the depth of the head
support is set to the required positions
and tightened.