User manual - Wheelchair Review
Contents
1. Front seat height is adjustable between 40 44 cm 23 15 WEIGHT AND DIMENSIONS STANDARD MODELS Twin Backrest Total width Transport Weight height i with rear wheels h KG 40m cm 13160105 ao cm 40 40 45 cm cm 62cm cm 22cm 32 16 9 kg Twin low Art nr Backrest Total width Transport Weight Twin low i i height i with rear wheels BIQ Colour choice for frame 30 blue texture 34 plum texture Functional seat depth from 47 48 cm Given measurements can vary 1 cm Without rear wheels 242. A Be sure to turn the anti tippers back to the down position 13 10 SETTINGS OPERATING CONDITIONS Assistant driving up backwards Reverse the chair until the rear wheels meet the obstacle Tilt the chair with help from the tipper bar so that the castors are off the ground Pull the wheelchair up and backwards ensuring that the castors have cleared the obstacle before setting down the chair onto all four wheels A Be sure to turn the anti tippers back to the down position 10 3 OPERATING CONDIITONS Kerb down User alone drive down forwards This method is recommended only for the experienced wheelchair user Ensure that the anti tippers is turned upwards Drive forwards to the edge of the kerb Balance the wheelchair on its back wheels so that the castors lift off the ground 7 Drive carefully down the kerb and set down the castors again A Be sure to turn the anti tippers back to the down position Assistant drive down forwards a Ensure that the anti tippers are turned upwards Tilt the wheelchair with help from the tipper so that the castors clear the ground Drive carefully down the kerb and set down the castors onto the ground again A Be sure to turn the anti tippers back to the down position User alone drive down backwards This method is not recommended for obstacles over 10cm in height Ensure that the anti tippers are turned upwards 7 Reverse the chair to the edge
3. of the kerb Reverse carefully down the kerb while at the same time A There is a greater risk of tipping during this manoeuvre Be sure to turn the anti tippers back to the down position Assistent drive down backwards 7 Ensure that the anti tippers are turned upwards Reverse the chair to the edge of the kerb Reverse carefully down the kerb and continue backwards keeping the castors raised until they have cleared the kerb Set down the wheelchair onto all four wheels A Be sure to turn the anti tippers back to the down position 14 10 SETTINGS OPERATING CONDITIONS 10 4 OPERATING CONDITIONS Angled surface Please read carefully this important advice for driving up or downhill tominimise the risk of tipping Never attempt a U turn in the middle of a hill Hold as straight a course as possible It is better to ask for help than to take a risk on your own Uphill driving Lean forwards to correct your centre of balance Downhill driving Lean against the backrest to correct your centre of balance Control your speed using the handrims never attempt to apply the brakes when in motion 10 5 OPERATING CONDITIONS Staircase up A Always ask for help Never use an escalator even if you have an assistant With assistant backwards Turn the anti tippers upwards and ensure that height adjustable push handles are securely fastened Reverse the wheelchair to the first step Tilt
4. the tyres Adjust the distance between brake and tyre Rear wheel loose Ensure that the axle shaft washer is in place Adjust the length of the axle shaft Rear wheel hard to remove Clean and lubricate quick release with cycle oil or similar replace Adjust the length of the axle shaft Front forks are not tightly fitted Check that the front fork attachments are mounted at Castor wobbles the same height Adjust the angle of the front fork attachment To much weight over the castors Adjust the centre of balance Wheelchair is hard to fold unfold Upholstery is to tight Clean and lubricate the Cross brace under the seat Wheelchair feels awkward Inflate the tyres Check that all screws nuts and bolts are properly fastened The user may experience several of these problems in a wheelchair that is incorrectly adjusted or is being incorrectly used If necessary lubricate moving parts joints with cycle oil or similar 21 13 TESTS AND GUARANTEES Twin Handicap Institute CE certifying Guarantee Specially adjusted chairs Assemblage is tested and approved for use indoors and out and is CE certified Max user weight is 125 kg tests both functionally and technically Test methods conform to ISO s norms standard 7176 The product has passed all tests and met all criteria set by specific productgroup European standards A proof that the product meets national and EU s MDD M
5. using the four Velcro straps and the cover Allow the backrest cover ample space between the seat and the backrest so that it is possible to sit in against the backrest Loosen all the Velcro straps so that the user is sitting as far back in the seat as possible Tighten the straps so that they follow the contour of the back ensuring that they give support all the way down A Risk for tipping Always check the positioning of the anti tip after adjusting the backrest upholstery Do not over tighten the upper Velcro straps as this can prevent the cross brace from unfolding properly i e the seat frame tubes do not sit flush in the side frames 11 9 SETTINGS LEGRESTS Twin legrests are detachable and can be swung away either to the side or under the seat Lockable legrests are also available as well as two types of variable angle adjusted legrests with calf supports N Never stand on the footrests as the chair may tip Never lift the chair by the legrests unless they are lockable 9 1 Lockable legrest option Twin can be obtained with lockable legrests The legrests are detachable and can be swung away under the seat or to the side To remove the legrests press the red button A and lift To fix the legrests press the red button B put the legrest into place and release the button The legrest is now locked A A When lifting a wheelchair without lockable legres
6. CONTENTS 13 14 15 Title Page General cereo A E A E O E EERE 3 Handling Transpoftsssussssesiinciniiseinnii aane 4 5 Productdes iiption Wifi acicsossec a nestedpcecssycvacacpanadedvooeencedaccaasgtuonteseasnncs 6 Mode a a a datedeattanaiante 7 TAIO EG E EAE AAE I A ea 8 OPtONS reniir TEE E ETENEE RTE 8 Settings OAP EE E E caren P E uadasema oeemleiseraiaes 9 10 BCP e AE EEA E AEE A A 11 TG OPESES Toiora ENR EER TEIE 12 Operating conditions Assembly instructions ACCESS LIES a2 dacsasiatna vonsauidenshoadanyiasnnivetaasecdaneaauass 19 Care and maintenance ceeeeeeeeeceeceecseecesessssnsssssessnsenccsnsensenencaaeeeecees 20 21 Tests and SUATATLCES eaea EE E EE EEEE 22 Alternative seat heights angles ssssssssesersssrisrsrsrsrsrsrersrsrersrrrrsrererrsrers 23 Weights and dimensions standard mde casisisossnccnssvesssnsenssndcsorvenervvesrinie 24 This manual is valid from november 2004 and replaces the previously published manual Art nr 74140D 04 11 08 1 GENERAL In order to avoid damage or injury when using Twin it is important that the manual is read thoroughly A is a warning triangle used when special care should be taken gives advice and tips Anti tip is available as an accessory Installed correctly it will prevent the chair from tipping over backwards We recommend that all chairs have one fitted unless the user is highly experienced and has absolute control over the chair Twin is an allrou
7. G CONDITIONS Transferring into out of the wheelchair The method for transferring a user into out of a wheelchair should be practised together with trained personnel This paragraph should be used only in an advisory capacity With or without an assistant sideways Before transference Reverse the wheelchair 5 10 cm so that the castors are turned fully forwards The wheelchair should be placed as near to the object of transference as possible Apply the brakes remove or swing up armrest side guard and legrest on the side you intend to move across With or without helper forwards Before transference Reverse the wheelchair 5 10cm so that the castors are turned fully forwards The wheelchair should be placed as near to the object of transference as possible Apply the brakes and swing the legrests in under the seat A Never stand on the footrests as the chair may tip Assistants should remember while lifting to keep their backs as straight as possible 16 Bil E 10 SETTINGS OPERATING CONDITIONS Operating a wheelchair is a dynamic activity Therefore operating conditions are every bit as important to take into consideration as seat position The wheelchair should be as easy to handle as possible It must be adapted individually to the user s capacities Weight distribution is the determining factor The more weight there is on the castors the harder the wheelchair is to manoeuvre Weight distribu
8. N The front seat height is 47 cm and is dependant upon Castor 8 Front Fork short Front fork attachment s setting adjustable in height and angle A Risk for tipping always check the positioning of the anti tip See also para 14 Alternative seat height angles 7 1 1 FRONT SEAT HEIGHT TWIN LOW The front seat height is 42 cm and is dependant upon Castor 6 Front fork short front fork attachment s setting adjustable in height and angle Also adjust the angle of the front fork attachment see para 7 3 7 2 Adjusting the height of the front fork attachment The height of the front fork can be adjusted 4 cm up or down by loosening the two attachment screws A 1 2 turns and changing the height of the attachment See position marking B to obtain equal height on both sides Check and adjust the angle of the attachment and tighten the screws I Tool 6 mm Allen key a spirit level may be useful A Risk for tipping Always check the positioning of the anti tip Also adjust the angle of the front fork attachment see para 7 3 7 3 Adjusting the angle of the front fork attachment Loosen the lower screw A 1 4 1 2 a turn and the upper screw B 1 4 turn Insert a small Allen key in the hole C at the edge of the shaft and turn until the attachment is at 90 to the floor Hold the shaft in place with the Allen key while the lower and upper screws are tightened Tools 6 mm Allen key and a smaller Alle
9. ed Make sure the brake sits securely in its track and tighten the nut Test the brakes Tool 10 mm spanner N The effectiveness of the brakes is dependant upon the amount of air in the tyres The brakes are parking brakes only and should not be applied when the wheelchair is in motion 7 7 Seat cushion accessory The cushion can be made even more comfortable by the use of a comfort wedge which rounds off the front edge of the seat Remember Push the cushion all the way in with the rounded corners against the backrest The cushion is a standard model and is not suitable for users with sitting sores 10 8 SETTINGS BACKREST 8 1 Backrest Height Twin The backrest is adjustable to heights 40 42 5 and 45 cm Loosen the screws A Pull the upholstery up Loosen the nuts B and install the desired height Check that the height is the same on both sides Tools 3mm Allen key and 8mm socket wrench 8 2 Backrest angle The backrest is infinitely variable between 0 and 6 Loosen the nuts install the desired angle and tighten the nuts again Tool 13 mm ring spanner Check that the angle is the same on both sides by comparing the distance between the backrest posts and the armrests A Risk for tipping Always check the positioning of the anti tip when changing the backrest angle 8 3 Backrest upholstery option The shape of the backrest upholstery is individually adjustable
10. edical Device Directive standards Gives customers the chance to choose the best possible product by comparing the test data Frame 5 yrs against material and or constructional defects Back arm footrest 1 yr against material and or constructional defects Upholstery wheels spokes No guarantee are those which are altered outside of the norms and standards contained in the manual Wheelchairs specially adjusted by a customer cannot retain a CE certificate Etac s guarantee no longer applies If in the least doubt about the validity of adjustments please contact Etac for advice of Twin with another product not manufactured by Etac Generally ensures loss of CE certificate by both products Etac has contracts with certain companies whose products are approved in combination with Twin These can be combined and still retain their CE certificates from the manufacturer Please contact Etac for current information 22 14 ALTERNATIVE SEATHEIGHTS ANGLES REAR SEAT HEIGHT TABLE Given measurements can vary 1 cm depending upon tyre type and seat angle Twin Rear wheel pos Rear seat height Distance rear 24 Seat angle 3 wheel seat Front seat is adjustable between 45 49 cm Twin lag WYStoy Iwas 1Y Distance rear wheel seat ow A cz 3 5 B a oO fos S gt T 8 gt 3 Vv Rear wheel pos Rear seat height Distance rear 22 Seat angle 3 wheel seat
11. eelchair ensure that the brakes are applied and that the antitips are swung down Parking Increase the overall support base of the wheelchair by reversing for about 10cm thereby ensuring that the castors swing forwards 10 2 OPERATING CONDITIONS Kerbs and raised thresholds up User alone driving up forwards This method is recommended only for experienced wheelchair users Ensure that the ant tippers are turned upwards E Drive forward to the edge of the kerb threshold Balance the wheelchair on its back wheels so that the castors lift off the ground high enough to clear the obstacle Push forwards firmly on the handrims while at the same time leaning forwards with your upper body A Be sure to turn the anti tippers back to the down position Assistant driving up forwards Ensure that the anti tippers are turned upwards Tilt the wheelchair with help from the tipper bar so that the castors are high enough to clear the obstacle E Lift by the push handles to help the rear wheels up over the obstacle A Be sure to turn the anti tippers back to the down position User alone driving up backwards This method only works if the obstacle is low relative to the installed height of the footrests Ensure that the anti tippers are turned upwards Reverse the chair until the rear wheels meet the obstacle E Push back firmly and strongly on the handrims while at the same time leaning the upper body forwards
12. hips are available in all Twin frame colours MISCELLANEOUS If there is a fault on your wheelchair you should contact your dealer at once Defective chairs not be used If your chair needs reconditioning or repair only original Etac parts or parts of equal quality as specified in our diagrams and manuals should be used Etac will not be held responsible for damage or injury caused by use of no original parts If necessary lubricate moving parts joints with cycle oil or similar 20 12 CARE AND MAINTENANCE TORUBLECHOOTING CHART Problem Solution Inflate the tyres Check the front fork attachments angle Wheelchair willnoth d Check that the front fork attachments are mounted at the same height Rear wheel mountings are incorrectly fitted The user is distributing weight unevenly More strength being used on one side than the other when propellning the chair a straight course Inflate the tyres Wheelchair feels heavy to propel Rear wheel mountings are incorrectly fitted Ensure that the castor axles are free from dirt etc To much weight over the castors Adjust the centre of balance Inflate the tyres Check that the front fork attachments are not to tightly fastened Wheelchair feels heavy to turn Adjust the angle of the front fork attachments Ensure that the castor axles are free from dirt etc To much weight over the castors Adjust the centre of balance Brakes not effective Inflate
13. itioning belt is inadequate to prevent the user from being thrown out of the wheelchair in the event of sudden braking The restraining device must not pass through the wheels or around the seat back tubes Options accessories that can be removed without tools such as trays must be removed and secured or placed where hey cannot fly around inside the vehicle in the event of a collision If a wheelchair was present in a vehicle that has been involved in a collision it should be inspected at the local mobility centre or by Etac before it is used again e OmONA NM BW NY PR 3 PRODUCT DESCRIPTION TWIN Backrest upholstery Seat upholstery Brakes Footrest Footrest locking knob Legrest Castor Front fork Front fork attachment Protective stopper Cross brace Side frame Tilter Fixed hub alternative quick release Armrest attachment Armrest Handrim Rear wheel Backrest posts Push handles 4 MODEL TWIN Seat with adjustable height and angle Front seat height set at 47 cm 8 castor allround Short front fork Rear seat height set at 46 cm 24 rear wheel fixed hubs alt quick release 1 3 8 low pressure tyre with innertube Aluminium handrims Camber 2 Backrest adjustable in height and angle Standard backrest height 40 cm Standard backrest angle 0 90 between back and seat Fixed push handles Legrests detachable swi
14. mal lifetime of a manual wheelchair to be five years of normal use by one and the same user The lifetime of the wheelchair is dependant above all on the type of handicap that the user has and on the proper degree of maintenance This means that different users may experience both a shorter and longer wheelchair lifetime then the above mentioned Twin Twin lag Rear seat height 46 cm Rear seat height 41 cm Front seat height 47 cm Front seat height 42 cm Backrest height adjustable between 40 42 5 Backrest height adjustable between 40 42 5 and 45 cm and 45 cm Fixed hubs Alternative quick release Fixed hubs Alternative quick release Toolkit contains 5 Allen keys 6 5 5 4 och 3 mm 3 spanners 13 10 och 8 mm 1 socket wrench 1 Phillips screwdriver 3 2 HANDLING TRANSPORT 2 1 Folding Ifa bow handle or cross brace is mounted they should be removed Flip up the foot rests Lift the seat upwards see illustration 2 2 Unfolding Push down on one side of the seat frame using the whole of the flat of the hand see illustration Do not hold the seat frame while unfolding as there is a risk of pinching your fingers 2 3 Lifting the wheelchair Wheelchair without lockable legrests Flip up the footrests and swing the legrests in under the seat or remove them completely Lift by the push handles and the front frame by the legrest mounting point Wheelchair with lockable legrests Lift by the push ha
15. n key A spirit level may be useful Itis a good idea to keep your eye on something vertical e g a doorframe or table leg whilst setting the angle 9 7 SETTINGS SEAT 7 4 Changing the front fork Unscrew the protective stopper from the front fork attachment in order to reach the retaining nut Unscrew the nut and remove the front fork Take the washer from the fork s axle and place it on the new fork with the bevelled side A towards the fork Insert the new fork into the at tachment It is important that the washers in the attachment under the retaining nut are in the correct order with the spring washer B in the middle Tighten the retaining nut until it locks then loosen it 1 2 1 turn This should give the spring washer the correct tension which reduces the risk of the castor wobbling Tools 19mm socket wrench and Phillips screwdriver Also adjust the angle of the front fork attachment see para 7 3 7 5 Rear wheel with quick release hub option Press in the button on the wheel hub and slide the axle completely into the shaft Release the button and ensure that it pops out completely and that the wheel is securely mounted N Always ensure that the wheel is securely mounted and that the button pops out fully 7 6 Adjusting the brakes The brakes are variably adjustable Loosen the nut A a couple of turns so that the brake block is about 20mm from the tyre when the brake is not appli
16. nd wheelchair in tended for both indoor and outdoor use It is fully tested in accordance with ISO standard 7176 The tests are conducted by the Handicap Institute of Sweden T v in Tyskland and Tno of Holland Testing Etac wheelchairs are tested in accordance with ISO 7176 19 and 10542 These ISO standards specify requirements for the design of the wheelchair restraint points and describe how the wheelchair and user are secured in the vehicle as well as describing how testing should be carried out and how the test results should be interpreted Etac wheelchairs are crash tested by the Swedish National Testing and Research Institute The tests were carried out with the wheelchairs in their standard configurations see manual for respective wheelchair together with a restraining device UNWIN_WWR ATF K R and a three point seat belt UNWIN_WWR HD ATF K R The cross folding wheelchairs Cross Twin and Transit were fitted with securement points The following wheelchairs passed the tests in accordance with ISO 7176 19 and ISO 10542 Cross Ser No 18C Twin Ser No 24A Transit Ser No 26B Seat width From 35 cm to 50 cm Seat depth 42 cm Functional seat depth 47 48 cm Max user weight 125 kg Twin is delivered with wheels ready mounted Lifetime The wheelchair meets fully the demands and specifications of prEN 12183 Etac calculates that this test is equal to 5 6 years normal use of the wheelchair This means that we judge the nor
17. ndles and the leg rests Before lifting ensure that height adjustable push handles are fully fastened 2 4 Car transport Private car taxi The wheelchair should be placed in the car boot If this is not possible ensure that the wheelchair is placed in the back seat in such a way that it cannot roll or overturn If possible the wheel chair should be secured using a safety belt 2 HANDLING TRANSPORT 2 5 Securing The wheelchair must be secured as follows The straps must not run through the wheels or around the seat back tubes 2 6 Seat belt If the wheelchair is used as a seat for travelling in the vehicle Etac recommends that the user wears the three point seat belt that is fitted to the vehicle It is important that the three point seat belt is fitted correctly as shown in the drawings 2 7 Recommendations Etac recommends that the user transfers to one of the seat s in the vehicle and wears the ehicle s three point seat belt while travelling a three point seat belt is worn positioning belt 25668 is used a correctly adjusted headrest is used the wheelchair is positioned facing forwards and is secured in accordance with the instructions provided by the supplier of the restraining device the back of the wheelchair should be level with or above the user s shoulders when travelling in the vehicle the parking brake is used and the anti topple guard is lowered 2 8 Warning The wheelchair pos
18. ng away Legrest with wide standard knee anglee Footrest flip up adjustable in height depth and angle Armrest molded Length 26 cm height adjustable Seat with adjustable height and angle Front seat height set at 42 cm 6 castor allround Short front fork Rear seat height set at 41 cm 22 rear wheel fixed hubs alt quick release 1 3 8 low pressure tyre with innertube Aluminium handrims Camber 2 Backrest adjustable in height and angle Standard backrest height 40 cm Standard backrest angle 0 90 between back and seat Fixed push handles Legrests detachable swing away Legrest with wide standard knee anglee Footrest flip up adjustable in height depth and angle Armrest molded Length 26 cm height adjustable Tilter Tilter 5 ACCESSORIES ANTI TIP swing up with built in tilter adjustable in height TILTER TRAY transparent mounted on long armrests CUSHION dark grey plush and black velour 56 cm long can be cut to the desired depth washable WALKING STICK HOLDER two part elastic spring part fastens around the walking stick ANTI TIP POSITIONING BELT in two parts with snap lock fastened to wheelchair frame SECUREMENT POINT 6 OPTIONS ARMREST height adjustable 36 cm long one piece black LOCKABLE LEGREST wide standard knee angle HANDRIMS stainless ADJUSTABLE BACKREST UPHOLSTERY 7 SETTINGS SEAT 7 1 FRONT SEAT HEIGHT TWI
19. pe of handrim chosen and its distance from the wheel Friction coated cellular rubber and plastic coated handrims are available as options A The optional handrims give a better grip but also increase friction It is therefore important to remember that when stopping suddenly friction burns e g blisters may occur A Remember that when passing through a narrow space you may pinch your fingers between handrim and wall Also be careful that your fingers do not slip into the spokes A If there is a risk that the user s fingers will catch in the spokes we recommend the use of spoke guards 10 10 Adjusting the distance of the handrim Aluminium stainless steel handrims the distance between wheel and handrim can be adjusted by adding or removing spacers Tool 4 mm Allen key 18 TRR ELY Spacers 11 ASSEMBLY INSTRUCTIONS ACCESSORIES 11 1 Armrest height adjustment The detachable armrests comes in two varieties short and long The armrest attachment can be fitted in two different heights In position 1 the armrest is adjustable between 19 26 cm and in position 2 standard between 24 31 cm with 1 cm intervals Tools 10 mm spanner 5 mm Allen key The locking claque is used both to install the height and to fix the side guard to the stem Loosen the screw that fastens the claque Slide the guard up or down to the desired height Fasten the screw again Tool 3 mm Allen key A Never use
20. the armrests to lift the wheelchair 11 2 Walking stick holder mounting 7 Mount the holder on the back of the wheelmount with the screws and nuts supplied A Thread the elastic band double around the cane to make a loop see illus The tip of the cane may have to be removed to allow you to attach the elastic Place the cane in the holder and stretch the elastic loop over the push handle Tools 4 mm Allen key and 10 mm spanner 11 3 Anti tip stabilisers mounting The anti tip consists of two parts The attachment bar is mounted under the wheel mount see illus The extension bar with the stabiliser wheel is fixed to the anti tip bar at the desired height with screws and nuts To allow you to negotiate thresholds and the edges of thick carpets a distance of 3 5 cm from the floor to the stabiliser bar is recommended Tools 4 mm Allen key 8 mm spanner When adjusting the seat height centre of balance or backrest angle you must check the position and performance of the anti tip stabilisers To swing up the anti tip pull out and swing round 19 12 CARE AND MAINTENANCE UPHOLSTERY The upholstery is made of two ply polyester or coated fabric The seat upholstery is fastened lengthways to the seat frame and can easily be removed from the frame by unscrewing the end caps The backrest upholstery is removed by loosening the screws 1 on each side on the rear of the backpost rests and pulling the
21. the chair onto the rear wheels using the tipper bar to help Pull the wheelchair carefully upwards one step at a time keeping it balanced on the rear wheels When the last step has been cleared continue backwards so that the castors can be set down into contact with the ground A Be sure to turn the anti tippers back to the down position If there are two assistants one can help by lifting from in front using lockable legrests or by removing swinging away standard legrests and lifting by the frame Assistants should remember while lifting to keep their backs as straight as possible 15 10 SETTINGS OPERATING CONDITIONS 10 6 OPERATING CONDITIONS Staircase down Always ask for help Never use an escalator even if you have an assistant With assistant forwards Turn the anti tippers upwards Drive forwards to the first step and tilt the wheelchair back onto the rear wheels using the tipper if necessary E Descend carefully one step at a time keeping the wheelchair balanced on its back wheels After the last step set down the wheelchair onto all four wheels A Be sure to turn the anti tippers back to the down position If there are two assistants one can help by lifting from in front using lockable legrests or by removing swinging away standard legrests and lifting by the frame Assistants should remember while lifting to keep their backs as straight as possible 10 7 OPERATIN
22. tion is determined both by the user s size weight and position and the fore aft positioning of the back wheels The more weight that is placed over the back wheels the easier the chair is to handle Twin comes as standard with a 2 camber This means that the wheels are a little closer together up by the seat and backrest and a little wider apart at floor level The advantages of this are that the wheelchair Turns more easily Holds a steady course Has a broader support base Allows the user to keep his arms closer to his body when moving forwards which gives more strength to each push 10 8 Centre of Balance The centre of balance can be adjusted by changing the position of the rear wheels Move the axle shaft forwards backwards A Remember to adjust the brakes See para 7 6 Tools 24 mm socket wrench 10 mm spanner When the position of the rear wheels is moved forwards the wheelchair is easier to manoeuvre but the risk of tipping over back wards increases The centre of balance is also changed when the seat angle and or backrest angle is altered A We recommend the use of anti tippers A Ensure that rear wheels with quick release hubs are mounted securely 17 Fixed hub Quick release hub 10 SETTINGS OPERATING CONDITIONS 10 9 HANDRIMS Twin is delivered with aluminium or stainless steel handrims as standard The way in which the user is able to grip the handrim is influenced both by the ty
23. ts Swing the legrests under the seat or remove them altogether and lift by the frame lower or upper frame bar 9 2 Height angle and depth of the footrest Twin is supplied with flip up footrests adjustable in height angle and depth Height Loosen the locking handle A and remove completely Remove the screw B Install the desired height and replace the handle and screw Note Ensure that the screw is in the correct position see illustration Tighten securely Angle Loosen screws C slightly Adjust to desired angle and Extension tube in legrest tighten screws Tool 5 mm Allen key Right Wrong Depth The sides of the footrests have two different lengths By exchanging the right for the left side two different depths can be achieved A For outdoor use the footrests should be 4 5 cm above ground level Never stand on the footrests as the chair may tip 12 10 SETTINGS OPERATING CONDITIONS 10 1 OPERATING CONDITIONS Weight distribution is the decisive factor when it comes to operating conditions It is in part dependant upon the user s weight size and seating position and in part on the fore aft positioning of the rear wheels The more weight that is placed over the rear wheels the easier the wheelchair is to manoeuvre If more weight is placed over the castors the chair becomes heavier to drive Assistant If the user is left alone in the wh
24. upholstery upwards The seat and backrest upholstery can be machine washed at 40 C REAR WHEEL CASTOR FRONT FORK ATTACHMENT Tyre inner tube Check the tyre pressure see side of tyre at least once a month also check the tread Spokes Loose spokes can lead to wheel wobble Consult a cycle dealer or your wheelchair supplier if you need to adjust the spokes Wheel axles The axles should be kept free from dirt Clean as necessary Ball bearings The ball bearings require no maintenance Handrims If a handrim should be damaged in such a way that could lead to hand injury it should be replaced Front fork attachment To achieve the best operating conditions the attachments should be installed at the correct angle Check also that the front forks are tightened according to instructions see para 7 4 BRAKES The function of the brakes are dependant upon tyre pressure Encrusted dirt can have a negative effect on the brake mechanism The brakes should be checked at least once a month In the event of adjustments see para 12 10 WASHING THE FRAME Both for your own comfort and the longevity of the chair it is important to keep the wheelchair clean Twin is equipped with a drainage hole which ensures that it is easy to wash and keep clean Wash the chair with car shampoo or washing up liquid If the chair is particularly dirty a grease remover can be used TOUCH UP PAINT Small bottles of touch up paint to repair scratches and c
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