SOMA SM-150.3 User manual

User manual
SM-100.3 Series
(SM-100.3、SM-150.3)

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GENERAL WARNING
DO maintain your chair well, in particular check the tyre (tire) pressure since
this affects the efficiency of the brakes.
DO make sure both brakes are applied before getting in or out of the chair.
DO make sure both brakes are applied when the chair is not being pushed
or used.
DO take care when climbing curbs or turning on slopes.
DO avoid steep or uneven surfaces that may cause the chair to tip over.
DO avoid soft surfaces because the casters may become bogged down.
DO travel smoothly in all conditions.
DO look well ahead to anticipate hazards such as furniture, doors, potholes,
etc.
DO make sure that both feet are safely on the footrests and that clothing is
safely tucked out of the way so that it cannot get caught in the wheels.
DO take care when traveling up or down or across inclines.
DO keep both hands on the push handles to control the chair, if you are the
attendant.
DO pay attention to keep the chair balanced.
DO check the frame and components regularly and refer to this user guide
during and after the warranty period.
DO tie-up the upholstery or replace it with a new one when it becomes
loose.
DO lubricate bearings regularly.
DO equip with anti-tippers to avoid falling backwards.
DO equip with a seat belt designed for disabled people.
DO equip with "ankle supports" for disabled people.
DO clean both hands after oiling the wheelchair.
DO NOT overload the chair in any circumstance.
DO NOT hang anything heavy on the back of the chair that could cause the
chair to become unstable, particularly when negotiating inclines.
DO NOT allow more than one user at a time.

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DO NOT allow any unconscious patient to use the wheelchair.
DO NOT use other transport to pull the wheelchair.
DO NOT do "wheelies", since you my fall or tip over backwards and suffer a
severe injury.
DO NOT sit in the wheelchair within a moving vehicle unless it has been
affixed the labels of hook mark. The labels of hook mark mean that the
wheelchair fulfils the performance requirements for a “Crash Test” of ISO
7176-19 and is suitable to use as a seat in vehicles that have been adapted
for this purpose.
DO NOT go too fast or turn too quickly.
DO NOT stand on the footplates when getting in or out of the chair.
DO NOT go down steps forward, whether solo or with an attendant.
DO NOT attempt to lift the wheelchair by any removable (detachable) parts.
Lifting by means of any removable (detachable) parts of the wheelchair may
result in injury to the user and/or assistant or damage to the wheelchair.
DO NOT use the wheelchair when back joint folded to against tipping over
backwards. It is only for folding and storage purpose.
DO NOT hang anything on the back joint that could cause the backrest
folding suddenly and may cause injury.
YOU AND YOUR KARMA SERVICE PROVIDER
No tools are required for assembly. Your wheelchair should be assembled
by your authorized Karma dealer. Your authorized Karma dealer is also your
service provider. Unauthorized repairs, upgrades and add-ons will void your
warranty. Anything wheelchair related that requires tools should be done by
your authorized Karma service provider. Your Karma service provider has
the necessary service/maintenance manual for your wheelchair.
If you have any defective parts or lose any parts, please contact your dealer
for repair and/or replacement. Please only use parts authorized by Karma.
Use of parts that are not authorized by Karma will void your warranty.
Part numbers are listed on our bill of materials (explosion drawings), which
we give to our authorized dealers and service providers. Customers should

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order parts through their dealer as well as all repairs and scheduled
maintenance.
Customers should go to their dealership for all service needs to guarantee
their warranty is not void. Always go to an authorized service provider.
Unauthorized repairs will void your warranty. Procedures other than those
described in this owner's manual must be performed by a qualified
technician. They also have the service manual with a complete list of
maintenance required to keep your Karma wheelchair in top performance.
Check the warranty section of this owner's manual to find out what Karma
guarantees and what maintenance service and parts that are not covered by
the warranty.
Karma does not have an official list of service providers at this time. Please
contact your dealer for service. If you cannot contact your dealer, please
contact another authorized Karma dealer for service. If all else fails, contact
Karma directly via our website or give us a call and we can refer you to your
new service provider.
CE MARKING
This wheelchair complies with the requirements of the Medical Devices
Directive 93/42/EEC.
CAUTION:
When prescribing wheelchairs for use by full or partial amputees (above or
below knee, single or double) or other conditions that affects the user's
natural center of gravity and might cause the wheelchair to tip or the
person on the wheelchair to fall off, we suggest contacting your therapist
or dealer as well as attaching anti-tippers, pelvic belt, or other additional
safety accessories.
When using the wheelchair, ALWAYS follow the Highway Code or your
local traffic regulations when outdoors and the guidelines written in this
manual.

TABLE OF CONTENTS
1. PREFACE............................................................................................................................................................................1
2. SAFETY...............................................................................................................................................................................2
2.1 DOORWAYS.................................................................................................................................................................2
2.2 LEANING.......................................................................................................................................................................2
2.3 NEGOTIATING INCLINES............................................................................................................................................2
2.4 KERB(CURBS)..............................................................................................................................................................2
2.5 STAIRS...........................................................................................................................................................................3
2.6 STREETS........................................................................................................................................................................3
2.7 GENERAL......................................................................................................................................................................3
2.8 UPHOLSTERY...............................................................................................................................................................4
2.9 ANTI-TIPPERS..............................................................................................................................................................4
2.10 MAXIMUM USER WEIGHT LIMIT.........................................................................................................................4
2.11 AVOID GENERAL MISUSE......................................................................................................................................5
2.12 LABELING...................................................................................................................................................................6
3. INTENDED USE & PARTS.........................................................................................................................................7
3.1 INTENDED USE............................................................................................................................................................7
3.2 PARTS DESCRIPTION (SM-150.3 WIT 24” SERIES).......................................................................................8
3.3 PARTS DESCRIPTION (SM-150.3 WIT 14” SERIES).......................................................................................9
4. OPERATION..................................................................................................................................................................10
4.1 UNFOLDING..............................................................................................................................................................10
4.2 FOLDING....................................................................................................................................................................10
4.3 REAR WHEEL............................................................................................................................................................11
4.4 REAR WHEEL REMOVAL.........................................................................................................................................11
4.5 REAR WHEEL ATTACHMENT.................................................................................................................................11
4.6 IMPORTANT DOS AND DON'TS........................................................................................................................12
4.7 FOOTPLATE HEIGHT................................................................................................................................................12
4.8 HOW TO USE THE TIPPING LEVER........................................................................................................................13
4.9 FOOTREST INSTALLATION AND ADJUSTMENT..................................................................................................13
4.10 TRANSPORTING ANDSTORING.........................................................................................................................14

4.11 TRANSFERRING IN................................................................................................................................................15
4.12 TRANSFERRING OUT............................................................................................................................................15
4.13ATTENDANT PUSHING ANDSELF-PROPELLED................................................................................................16
4.14 TILTING BY THE ATTENDANT...............................................................................................................................18
4.15 TILTING BY THE USER............................................................................................................................................18
4.16 GOING DOWN CURBS.........................................................................................................................................19
4.17 GOING DOWN CURBS FORWARDS WITH AN ATTENDANT.........................................................................19
4.18 GOING DOWN CURBS BACKWARDS WITH AN ATTENDANT.......................................................................19
4.19 GOING UP CURBS.................................................................................................................................................20
4.20 GOING UP CURBS FORWARDS WITH AN ATTENDANT.................................................................................20
4.21 GOING UP CURBS BACKWARDS WITH AN ATTENDANT...............................................................................20
4.22 GOING UP AND DOWN STEPS/STAIRS.............................................................................................................20
5. INSPECTION AND MAINTENANCE................................................................................................................21
5.1 DAILY CHECK............................................................................................................................................................21
5.2 REGULAR MAINTENANCE RECORD....................................................................................................................22
6. OPTIONA AND ACCESSARIES...........................................................................................................................24
7. TROUBLESHOOTING..............................................................................................................................................25
8. SPECIFICATIONS........................................................................................................................................................26
9. CLEANING & RECYCLING....................................................................................................................................27
10. WARRANTY...............................................................................................................................................................28
10.1 SERIAL NUMBER...................................................................................................................................................28
10.2 CONTENTS AND DURATION OF WARRANTY.................................................................................................28
10.3 THE CLAIMS FROM THIS WARRANTY SHALL NOT ARISE FOR THE FOLLOWING REASONS...............29
10.4 KARMA IS NOT RESPONSIBLE FOR THE FOLLOWING COSTS..................................................................30
10.5 THE RESPONSIBILITIES OF THE USER................................................................................................................30
10.6 THE RESPONSIBILITIES OF THE DEALER............................................................................................................30
10.7 TRANSFER OF WARRANTY RIGHTS...................................................................................................................30

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1. PREFACE
Please carefully read this owner's manual before using the wheelchair. Improper
use of the wheelchair could resultin harm or injury. Therefore, for safe and
enjoyable use of the wheelchair, pleaseread this owner's manual.
1.1 This owner's manual includes operationinstructions for the aspects of the
wheelchair, unfolding/folding instructions and instructions on how to deal
with possible accidents.
1.2 This owner's manual is written for Karma wheelchair: SM-100 series.
1.3 The symbols used in this owner's manual are explained below. Pay special
attention to the parts marked with these symbols.
WARNING:
Improper use could lead the user to severe injury or death.
CAUTION:
Improper use could lead the user to severe injury and/or
damage to your wheelchair.
SUGGESTION:
Follow these instructions to keep the wheelchairin good
condition.
1.4 This owner's manual includes the repairand maintenancechart as well as the
warranty.
1.5 Ifsomeone else uses the wheelchair, make sure that you give him or her this
owner's manual for his or her reference.
1.6 As designs change, some illustrations and pictures in this owner's manual
may not correspond to the wheelchair that you purchased. We reserve
the right to make design modifications without further notice.

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2. SAFETY
2.1 Doorways
The safest way to operate the chair is on level floors that are free of obstacles.
Whenever possible use a ramp to enter or exit a facility. Keeping yourhands on
the push rims will allow you to maintain maximum balance. Do not try to force
yourself over an obstruction by propulsion and never use the sides of a
doorway to pull yourself through a passageway.
2.2 Leaning
Do not lean over the side of your wheelchair since such an actionmay cause
you to lose balance and fall. (See Figure 2.3)
2.3 NegotiatingInclines
2.3.1 Never turn on a hill due to the danger of tipping.
2.3.2 When assisting, go straight up a slope. If user needs to go down midway,
walk backwards until user is on level ground.(See Figures 2.4 and 2.5)
2.3.3 Avoid stopping on an incline; it can potentially cause you to lose control of
the chair.
2.3.4 Do not use the brakes to slow down or stop the wheelchair; this could
cause it to seize up, causing you to lose control or fall out of the chair.
2.3.5 Whenever possible, utilize help from an assistant/attendant while
negotiating inclines.
2.4 Kerb(Curbs)
2.4.1 Whenever possible get help from an assistant/attendant(if you have
assistance make sure that your chair is equipped with push handles).
2.4.2 Avoid hard impacts when descending a curb.A hard impact could
adversely affect the chair.
2.4.3 Never try to scale or descend curbs that exceed a normal height
(30-50mm).
2.4.4 Always be careful when climbing curbs and never move up or down a curb
in reverse without an assistant.

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2.5 Stairs
2.5.1 Always use two or more assistants. Tilt the wheelchair to its point of
equilibrium. One assistant (at the back) holds thewheelchair up againstthe
first step, gripping the handles firmly to lift. The second assistant, holding
firmly a fixed part of the front frame, lifts the wheelchair above thestairs
and holds it while the first attendant places one foot on the following step
and repeat the operation. (See Figure 2.1)
2.5.2 Never go down steps forwards.
2.5.3 Never use an escalator for transport, use an elevator.
Figure 2.1
Figure 2.2
2.6 Streets
2.6.1 Always use extreme cautionwhen crossing streets.Reflective tape on the
chair and/or your clothing will make you more visible to drivers.
2.6.2 Avoid potholes and rough terrain thatmight cause the casters to become
stuck. (See Figure 2.6)
2.7 General
2.7.1 The expected service life of the product is two years, presuming that the
product is used daily in accordance with the safety operation instructions,
inspection and maintenance instructions,and intended use, which
described in this manual.
2.7.2 Always make sure BOTH brakes are applied before getting in or out of the
chair.
2.7.3 Never stand on the footplates when getting in or out of the chair.
2.7.4 Never carry more than one passenger. Karma wheelchairs are limited to
one user.

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2.7.5 Use caution to assure your clothing doesn't get tangled with the wheels.
2.7.6 When the user is operating the wheelchairusing the pushrims, please push
the wheelchair gently. DO NOT apply a sudden huge force on the pushrims.
It could cause the chair to tip over. Please refer to thefigure below for the
best grip points for using the pushrims.
2.8 Upholstery
2.8.1 When cleaning the upholstery, use warm water and a mild soap.
2.8.2 Upholstery cleaner/foam can also be used, but avoid othercleaning
solvents.
2.9 Anti-tippers
Please purchase anti-tippers and always use them to avoid personal injury.
The distance between anti-tipper and wheels is more than 5cm; the height to
floor doesn't be over 5cm. (See Figure 2.2)
2.10Maximum User WeightLimit
Refer to "Max. User Weight" in Section8. SPECIFICATIONS.Loads exceeding
maximum capacity can damage yourwheelchair and causemalfunctions
yielding a safety hazard. The warranty does not cover damage caused by
improper operation of the wheelchair.

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2.11Avoid GeneralMisuse
2.11.1 Please note that our "Owner's Manual"contains a numberof cautions --
any vehicle can cause injury if misused -- use within our guidelines and
with reasonable care and your safety will be increased. Your wheelchair
will give years of safe use if used sensibly and carefully. Be aware that
careless use endangers your own safety as well as that of others.
ALWAYS follow the Highway Code when outdoors and the guidelines
written in this owner's manual.
2.11.2 Do not let children stand or play on the wheelchair.(See Figure 2.7)
Figure 2.3
Figure 2.4
Figure 2.5
Figure 2.6
Figure 2.7

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2.12Labeling
Please carefully read all the labeling on the wheelchair before driving it. Do
not remove them. Protect them for future reference.

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3. INTENDED USE & PARTS
3.1 IntendedUse
3.1.1 The SM-100 Series is a self-propelled or transit wheelchair. Thatis, it can
either be propelled by an attendant (transit) or by the user (self-propelled).
3.1.2 These wheelchairs are suitable for users up to 100 kg in weight. Hand
brakes are provided for both rear wheels.
3.1.3 It has pneumatic tyres (tires) for traction and comfort.It also has an
extremely durable aluminumalloy frame with toughaccessories and does
not suffer in dramatic extremes of temperature (neither user nor attendant
need to touch metal parts in normal use).
3.1.4 The casters have PU tyres (tires for greaterdurability; pneumatic casters are
available on request.
3.1.5 Rear wheels are 24 inches in diameter and solid PU tyres (tires) are available
on request.
3.1.6 SM-200 series are equipped with 14″rear wheels.

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3.2 Parts Description(SM-150.3 Wit 24” Series)
1. Push Handle
2. Attendant Brake
3. Hand Brake
4. Rear Wheel
5. Cross Frame(Cross Bar)
6. Caster
7. Backrest Upholstery
8. Armrest
9. Side Panel
10. Seat Upholstery
11. Calf Strap
12. Footplate
13. Tipping Lever

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3.3 Parts Description(SM-150.3 Wit 14” Series)
1. Push Handle
2. Attendant Brake
3. Hand Brake
4. Rear Wheel
5. Cross Frame(Cross Bar)
6. Caster
7. Backrest Upholstery
8. Armrest
9. Side Panel
10. Seat Upholstery
11. Calf Strap
12. Footplate
13. Tipping Lever

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4. OPERATION
4.1 Unfolding
4.1.1 Unfold the push handle.(See Figure 4.1)
4.1.2 Holding the armrests, pull outwards.(See Figure 4.2)
4.1.3 Pointing your fingers inward with the palm of your hand on the frame, push down
until the seat is fully lowered. Make sure the frame is firmly seated in its holder.
(See Figure 4.3)
4.1.4 Swing the footplates down. (See Figure 4.4)
4.1.5 Ready for action!
Alternatively, you can stand at the side of the chairand completestep 1 by
pulling the nearest armrest towards you and pushing theother one away.
Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
CAUTION:
●When completing step 2, never put your fingers around
the sides or under the chair as they can be trapped
between the seat and the frame. (See Figure 4.5)
Figure 4.5
4.2 Folding
4.2.1 Flip up the footplates. (See Figure 4.6)
4.2.2 Pull up on the seat upholstery by holding it in the center of its front and back
edge. (See Figure 4.7)
4.2.3 Press the two release levers on the backrest frame (push handle tubes) to fold the
backrest down for compact storage and easy transport (for SM-150.3). (See
Figure 4.8)
4.2.4 Folding is now completed.

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Figure 4.6
Figure 4.7
Figure 4.8
CAUTION:
●Be careful not to get your fingers caught when folding the wheelchair.
4.3 Rear Wheel
Your wheelchair may be supplied with quick-releasewheels. If so, please follow
the instructions below.
4.4 Rear WheelRemoval
4.4.1 Support the weight of the chair with one hand by holding the push handle.
4.4.2 Depress the hub cover and hold down the quick-release mechanism.
4.4.3 Remove the wheel. (See Figure 4.9)
4.5 Rear WheelAttachment
4.5.1 Pick up the wheel: Hold the center of the rearwheel by grasping two
adjacent spokes with four fingers of one hand, use the thumb to depress
and keep depressed the quick-release. Take thequick-release axle and
depress the button in its center. This retracts the bearings at the opposite
end of the axle. This will allow you to push the axle through the center of
the hub of the wheel. Your wheels are now ready to be assembled to the
frame of your wheelchair.
4.5.2 First ensure that the brake is in the OFF position. Take up the assembled
wheel and axle and depress the button in the center of the axle,as above.
This retracts the ball bearings that will allow you to push the axle into the
wheel bracket that is located on the lower rear frame of the wheelchair.
When you remove your thumb from the buttonon the axle,the ball
bearings should be visible protruding from the axle at theback of the

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wheel bracket. This will secure the wheel safely in the frame. (See Figure
4.10)
CAUTION:
●You must make sure that the axle is fully located in the wheelchair
bracket and that the ball bearings are fully open and have positively
attached the wheel in the frame.
●The rear wheel can be mounted at different positions on the frame to
alter the seat height and overall stability of the chair. Changing the wheel
position should be carried out by your approved repairer or therapist.
Figure 4.9
Figure 4.10
4.6 Important DOs and DON'Ts
4.6.1 DO: Keep axles clean and lubricated with light oil or maintenance spray.
4.6.2 DO: Maintain correct tyre(tire) pressure if using pneumatictyres (tires).
4.6.3 DO NOT: Try to remove the wheels while the wheelchair is occupied even
when using anti-tippers.
4.7 Footplate Height
4.7.1 To adjust footplate height use the Karma tool provided to loosen the bolt at
the bottom of the footrest arm.
4.7.2 Adjust to required height and re-tighten. (See Figure 4.11)
Figure 4.11
Figure 4.12

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SUGGESTION:
●Make sure that the footplate height is adjusted properly according to the
user's calf length to reduce pressure on the body.
●The footrest height must be more than 5cm. (See Figure 4.12)
4.8 How to Usethe TippingLever
4.8.1 Unfold the tipping lever with foot slightly. (See Figure 4.13).
4.8.2 Step the tipping lever downward with foot and hold the both push handles
and push them downward by two hands simultaneously to lift the casterto
overcome the obstacle. (See Figure 4.14).
4.8.3 The tipping lever can be folded with foot if you do not use it. (See Figure
4.15).
Figure 4.13
Figure 4.14
Figure 4.15
4.9 FootrestInstallation andAdjustment
Install footrest：
4.9.1 Unpack the footrestbox and take the footrest out of the box. Unscrew the
screws of the footrest by using 5mm Allen key which bundled in the tool
box. (Figure 4-16).
4.9.2 Attach the sleeve to the front tube (slot side faces inwardly) and align it with
the hole. (Figure 4-17).
4.9.3 Fix the footrest with the sleeve and tube. (Figure 4-18).
4.9.4 Lock the footrest with screws and hex nut. (Figure 4-19)
Adjust footrest：
4.9.5 Loose screws by using 5mm Allen key which bundled in the tool box and
adjust the length to an appropriateposition to fit user’s leg-length.
(Figure 4-20).