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1. unnssonesesnonessenonnessenonmerssnonnertsronnerserenne 27 AntitiDDet eren ane ee PE EUIS 2 8 Tipperald iec tritis roris crisis tees 4 9 Cane holder 4 10 Security belt 4 11 Passive lighting s 412 Air DUI je S c k schall 5 I la eec 20 5 1 Cleaning 20 52 Maintenance 20 5 3 Service life and disposal eee 22 5 4 Detecting and repairing defects sss 23 5 5 Technical data nina 24 5 6 Warranty conditions eerte 25 Adjustments carried out by the authorized dealer 26 6 1 One piece footplate adjustment 6 2 Two piece footplate adjustment 6 3 Seat height rear adjustment sss 6 4 Rear wheel position adjustment sss 6 5 Seat height front adjustment sss 6 6 Backrest height adjustment sss 6 7 Backrest angle adjustment 6 8 Clothes Guard Mud guard adjustment 31 Front frame Cross brace Seat Adapter plate Adapter plate support Rear wheel 900060090 Front wheel Footplate Figure 1 C c k schall 1 General 1 1 Introduction Thank you for purchasing a lt lt ktischall wheelchair With the c K schall Ultra Light you have purchased a top quality product In order to make optimum use of its functionalities and learn about its safety requirements please read these operating instructions
2. Clothes guard adjustment Figure 36 Loosen the bolts and Move the clothes guard into the required position Tighten both bolts and again Adjustments carried out by the authorized dealer 31 Horizontal adjustment Loosen the bolts on the holder support from the inner side Slide the holder support on the upper frame until the required position has been achieved Tighten the bolts again Fix mud guard adjustment Figure 37 Loosen the bolts and Move the mud guard into the required position Tighten both bolts and again Removable mud guard adjustment Vertical adjustment Loosen the bolt from the adapter plate and slide this up or down into the required position The adapter plate acts as an end stop for the holder 32 Adjustments carried out by the authorized dealer c k schall K schall AG Benkenstrasse 260 CH 4108 Witterswil k schall distributors Belgium amp Luxemburg Invacare Autobaan 14 B 8210 Loppem Danmark Invacare A S Sdr Ringvej 39 DK 2605 Br ndby Deutschland amp Ost Europa Invacare Deutschland GmbH Kleiststra e 49 D 32457 Porta Westfalica Eire Invacare Ltd Unit 5 Seatown Business Campus Seatown Road Swords Co Dublin Espana Invacare S A c Areny s n Pol gon Industrial de Celr E 17460 Celr Girona France Invacare Poirier SAS Route de St Roch F 37230 Fondettes Italia Invacare Mecc San s r l Via d
3. are adjusted to the correct height The HH distance to the floor must not exceed 2 cm Move the wheelchair to an object which gives you a firm hold Holdon to the object with one hand and incline the wheelchair until the rear wheel on the opposite side leaves the floor 16 Adjustments and options ccktischall Push your thumb on the head of the removable axle and pull the rear wheel out of the adapter sleeve Lower the wheelchair again Now it rests on the transit wheels on one side Repeat the procedure for the other side y Warning Now the parking brakes are no longer effective Change over from transit wheels to rear wheels Move the wheelchair to an object which gives you a firm hold Hold on to the object with one hand and incline the wheelchair until the transit wheel on the opposite side leaves the floor Reinstall the rear wheel with the removable axle also refer to Chapter 3 2 Installing the rear wheels After installing the wheels always make sure that the A removable axles are engaged completely c k schall 4 7 Antitipper The Antitipper device prevents the wheel chair from tipping backward Figure 22 Activating the Antitipper With your foot press the Antitipper shackle downward and outside at the same time until it engages In any case deactivate the Antitipper device before WN driving over a curbstone or a step Danger of tipping Deactivating the Antitipper Sl
4. carefully and follow the safety instructions 1 2 Warning and instruction signs The following signs and abbreviations are used in these operating instructions Warning sign containing important information to prevent injuries and material damage Useful information for user Required tool Hexagon socket wrench 3mm Required tool Wrench 8mm Required tool Screw driver Some drawings in this manual are allegorized Your wheelchair model may differ from the pictured one c k schall 1 3 Description of wheelchair The wheelchair consists of two side frames which are attached by a cross brace Q The cross brace to which the seat cover is attached enables the wheelchair to be folded The rear wheels are attached to the side frame by the adapter plates and an adapter plate support The front wheels as well as the footrest which can be either one or two piece are attached to the front of the side frame See figure 1 1 4 Useas per specifications The wheelchair is driven manually and is used for independent or guided locomotion of gait impaired persons e g hemiplegia paraplegia tetraplegia multiple sclerosis traumatic brain injury etc The wheelchair may only be used without a guide by persons who are physically competent to handle the wheelchair eg driving steering and braking The wheelchair is designed for in and outdoor use on level ground and paved terrain 1 5 Before using the wheelc
5. characteristics of a wheelchair The alignment of the bearing block must be checked and if necessary corrected after every alteration to the seating angle Figure 34 Loosen the bolt from the front frame Adjustments carried out by the authorized dealer Move the front fork in the guide until the fork is vertically aligned To do this position a spirit level against the front of the fork Make sure that the adjustment has been made to both WN sides of the wheelchair 6 6 Backrest height adjustment The height of the backrest can be adjusted in steps of 15 mm A new backrest tube must be mounted if the adjustment possibilities do not suffice Figure 35 Remove the backrest cover push the upper Velcro Band down until the adjustment bolt is visible Velcro backrest only c k schall c k schall textunit UMO5 en Ultra Light doc Slide up the upholstery to uncover bolt Standard backrest only Remove the adjustment bolt Slide the backrest tube up or down to the required height Insert the adjustment bolt and tighten Repeat this process on the other side of the backrest 6 7 Backrest angle adjustment An optional angle adjustable backrest must be mounted for a variable backrest angle c k schall 6 8 Clothes Guard Mud guard adjustment The position of the clothes guard or the mud guard must be adjusted after the position of the rear wheel has been changed
6. parking brakes Reach out backward only as much as possible without leaving your sitting position y Do not lean over the backrest You might tip backward c k schall 2 6 Drum brake cM WLAN If your wheelchair is equipped with a drum brake a guide can decelerate the wheelchair The drum brake can also be used as a parking brake Figure 9 Braking Pull back the braking lever at the push handle Locking the brake Pull the braking lever firmly until the securing lever engages Release the braking lever Now the brake is locked Releasing the brake Pull the braking lever and push the small securing lever on the underside of the braking lever until it is disengaged Release the braking lever Now the brake is released Using the wheelchair 9 2 7 Parking brakes If your wheelchair is not equipped with a drum brake deceleration is effected manually by applying force on the hand rims of the rear wheels The parking brakes are used only for keeping the wheelchair in place when standing and to prevent it from rolling away The correct function of the parking brakes is ensured only if sufficient air is in the tire see Chapter 5 2 Maintenance Never apply the parking brakes when the wheelchair is in Al motion Danger of tipping H For adjusting the parking brakes please see chapter 4 Standard brake A 2 M e Figure 10 Using the wheelchair Applying the brake Pus
7. step Drive to the edge of the step make sure that the wheelchair is in a straight position Lift up the front wheels from the floor by shifting your body weight and keep your balance Now let the two rear wheels roll down over the edge Make sure to hold the hand rims tightly Tilt forward the wheelchair until the front wheels have ground contact again Driving up a step Drive the wheelchair backward until the rear wheels hit the edge of the step c k schall Lift up the front wheels from the floor by shifting your body weight and keep your balance Now let the two rear wheels roll up over the edge Make sure to hold the hand rims tight Move the wheelchair until you can tilt the wheelchair forward safely Lower the front wheels again 2 4 Driving on ramps and slopes Only drive on long slopes if a guide is behind the yY wheelchair Do not drive on steep or lateral slopes max assending grade 7 Danger of tipping Avoid abrupt changes of direction when driving on slopes Danger of tipping Never pull the parking brakes when the wheelchair is in motion Danger of tipping Driving uphill To drive uphill you must set the wheelchair in motion and maintain the motion in order to be able to control the direction c k schall Figure 5 Lean forward and drive the wheelchair by pushing the hand rims quickly and powerfully Downhill When driving downhill direction and above all
8. Fold up the foot rests or swing them aside depending on design Hold on to the wheelchair and if necessary to a stable object nearby Using the wheelchair 2 2 Driving and steering the wheelchair Finding the tipping point The tipping point of the wheelchair depends on the adjustment of the seat position The correct seat position is adjusted depending on parameters such as the weight of the user the type of handicap and the driver s driving skills The seat position which is adjusted upon delivery corresponds to the information indicated in your order Figure 2 To find the tipping point of your wheelchair proceed as follows see Figure 2 When determining the tipping point an aide must always WN stand directly behind the wheelchair in order to catch it in case it tips To ensure that you are in control of your wheelchair at any given point you should not exceed a speed of 7km h 4Mph c k schall Loosen the brakes Sitting in the wheelchair move forwards briefly hold both hand rims tightly and pull back with a slight swing By shifting your weight slightly and applying a counter force to the hand rims the tipping point can be determined To avoid the wheelchair tipping backward we recommend that the wheelchair should be equipped with an antitipper see Chapter 4 Please note that a heavy backpack fixed to the backrest can affect the tipping behaviour of the wheelchair 2 3 Driving o
9. Height adjustable armrests The height adjustable armrests can be adjusted steplessly to the Figure 20 exact height required or even removed completely To adjust the height proceed as follows Loosen the bolts from the holder support Slide the holder tube of the armrest up or down until the required position has been achieved Tighten the bolts again PY Make sure that the same adjustments have been made on both sides of the wheelchair Adjustments and options 15 To remove the armrests simply pull them up and out of their holders The armrest can be removed easily or with more difficulty by tightening or loosening the bolts 4 5 Swing away armrests The swing away armrest can be folded back as follows Loosen the Bowden cord under the seat Both armrests will swing backwards To position the armrests correctly again pull them forward until a they snap into the correct position click Figure 21 Change over to transit wheels Move the transit wheels to their working position by 4 6 Transit wheels pushing the pin inward until you can pull down the tube Push in the second pin too and pull the tube further down If your wheelchair is too wide for certain applications e g when f until the pin engages in the recess travelling by train or airplane or when driving in narrow aisles or through narrow doors you can use the transit wheels Check if the transit wheels
10. The air pump is delivered with a valve adapter Depending on the size of the valve of your model it may be necessary to turn the adapter at the air outlet of the pump Remove the locknut Take out the valve adapter Turn it around and reinstall it Tighten the locknut again Adjustments and options 19 20 5 Service 5 1 Cleaning The service life of your wheelchair increases if you maintain and clean it regularly Clean cushions and metal parts with a moist soft cloth Carefully dry your wheelchair after using it in rainy weather y Sand and sea water may damage the ball bearings After using your wheelchair in a dirty environment clean and dry it thoroughly as soon as possible Do not use rough scouring agents aggressive cleaning agents or high pressure cleaning machines 5 2 Maintenance We strongly advise that you should have your wheelchair thoroughly checked by the authorized dealer once a year as a minimum This is in addition to to the general maintenance procedures detailed below In order to make sure that your wheelchair will give you the necessary safety and reliability over its whole service life you should carry out the following work regularly or have it carried out by your authorized dealer Service Maintenance plan Weekly Check air pressure in tyres Check the proper fitting of the rear wheel axle in the sleeve Monthly Check bolted connections Oil removable axles Che
11. ate and incorrect use defective assembly or setting up the purchaser or third parties defective or neglectful treatment use of unsuitable spares Service 25 6 Adjustments carried out by the authorized dealer This chapter is expressly intended for trained authorized A dealers Authorized dealers should inspect the wheelchair thoroughly for wear or damage and replace components as necessary Minor changes may have great effects on the seat position and the driving behaviour and thus the safety Since many adjustments influence each other sufficient product know how and technical experience is required in order to carry out these adjustments properly We recommend that you have all adjustments and repair work described in this section carried out by an authorized Kiischall dealer For your local authorized dealer please contact the ktischall m representation in your country see back of this user manual Adjustments carried out by the authorized dealer 6 1 Onepiece footplate adjustment Please carry out these adjustments on the unfolded WN wheelchair only Height adjustment The footrest height can be adjusted in steps of 10mm Figure 27 Remove the bolts from both sides Holding the telescope tube with both hands slide the footrest into the required position Insert the bolts into the nearest holes and tighten them again Make sure that the same adjustment has been made to both il s
12. cck schall designed for life User manual cckuschall Ultra Light Table of contents 1 General TN i oi fore ero er asotsa obsta daat SRi 3 1 2 Warning and instruction signs see 3 13 Description of wheelchair een 3 1 4 Use as per specifications eene 3 15 Before using the wheelchair s 3 Using the wheelchair eee eere eee e rennen eene 4 2 1 Getting into or out of the wheelchair 4 22 Driving and steering the wheelchair 4 2 3 Driving over stairs and steps sesenta 5 2 4 Driving on ramps and slopes eee 7 2 5 Stability and balance when sitting in the chair 8 2 6 Drum brake e etienne 9 2 Parking brakes 10 Transporting the wheelchair 12 3 1 Folding and unfolding the wheelchair 12 3 2 Removing and installing the rear wheels 13 Adjustments and options eursorsonssnssnnsnnssnnsnnssnnsnnssnnne 14 4 1 Adjusting the parking brakes sss 14 4 2 Adjusting the tension of the backrest cover 14 4 3 Height adjustable push handles ss 15 44 Height adjustable armrests aa 4 5 SWING AWAY armrests ssssessennsssenssssunsssennsssunsssnnsssennsssunnse 46 Transit wheels
13. ck tension of spokes Yearly General check by an authorized dealer Measuring the air pressure To ensure that the driving and braking function is maintained it is important that the air pressure in the tires is correct Check weekly if there is sufficient air in the tires The optimum pressure values are indicated in the following table Type of tire Air pressure Smooth running tires 7 bars 700 kPa 100 psi Treaded tires 7 5 bars 750 kPa 110psi Indoor sports tire Coll 10 bars 1000 kPa 140 psi Mountain bike tire 5 bars 500 kPa 70 psi If you are not sure about the tires of your wheelchair contact your authorized dealer c k schall Oiling the removable axles To ensure the proper function of the removable axles they must be oiled at regular intervals Pour some resin free bicycle oil on a cloth and slightly oil the balls at the end of the removable axles the axle and the push button Checking the bolted connections Bolted connections may loosen if the wheelchair is used frequently Checkthe bolts monthly for tight fit re tighten if necessary Locknuts and locking bolts should be replaced if they become loose For replacement please contact an authorized dealer Repairing or replacing tires Take off the wheel see Chapter 3 2 Deflate the tire by pressing on the valve Lift one flank of the tire off the wheel rim Use a bicycle tire lever for this Do not use sharp or pointed HH objects suc
14. d terms This is to certify that your c k schall wheelchair is warranted by K schall for an unlimited period of time for the frame and 24 month for all other parts This warranty is subject to the following conditions 1 Only k schall wheelchairs purchased at full price are warranted against defective workmanship and materials If a defect or fault is discovered the K schall dealer from whom the appliance was purchased should be notified immediately The manufacturer will not accept responsibility for damage caused by misuse or the 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 free of charge by the K schall dealer 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 If the purchaser mounts additional adaptions to their K schall wheelchair they must obtain a written authorization from K schall AG Otherwise any possible liability claims cannot be asserted c k schall 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 K schall shall not be liable for natural wear and tear inappropri
15. ei Pini 62 1 36016 Thiene VI Nederland Invacare B V Celsiusstraat 46 NL 6716 BZ Ede Norge Invacare AS Grensesvingen 9 N 0603 Oslo Portugal Invacare Portugal Lda Rua Senhora de Campanha 105 P 4369 001 Porto Schweiz sterreich amp Middle East K schall AG Benkenstrasse 260 CH 4108 Witterswil Sverige amp Suomi Invacare AB Fagerstagatan 9 P O Box 66 S 163 91 Sp nga United Kingdom Invacare Ltd South Road Bridgend Industrial Estate Bridgend CF31 3PY UK www kuschall com The k schall brand is a registered trademark Every effort has been made to ensure that the contents of this publication are fully up to date at the time of going to print As part of its ongoing improvement of products K schall AG reserves the right to modify existing models at any time k schall dealers will be notified of any such modifications Any use of this publication of of parts thereof as well as any reproduction of images must have the written consent of K schall AG k sch all Your authorized dealer ight EN 1485341 01 2006 UM UltraLi
16. frame and A Warning Do not close fingers around the seat profile seat profile Press the rear corners of the seat downwards until a click is heard Flip down the footrests 3 2 Removing and installing the rear wheels To reduce the size of your wheelchair you can remove the rear wheels Figure 16 c k schall Removing the rear wheels Release the brakes With one hand hold the wheelchair in an upright position With the other hand hold the wheel at the spokes around the wheel hub see Figure Press the axle knob with your thumb and pull the wheel out of the adapter sleeve Installing the rear wheels Release the brakes With one hand hold the wheelchair in an upright position With the other hand hold the wheel at the spokes around the wheel hub see Figure Press the axle knob with your thumb keep it pressed Now insert the axle in the adapter sleeve of the axle tube until it comes to a rest Release the axle knob Now the wheel fits tightly removable axles are engaged completely The head must y After installing a wheel always make sure that the be extended completely Check by pulling the wheels outwards Transporting the wheelchair 13 14 4 Adjustments and options 4 1 Adjusting the parking brakes The parking brakes must be readjusted after adjusting the position of the rear wheels 2 Figure 17 Make sure that sufficient air is in the tyre
17. h as screw drivers in order to prevent the inner tube from being damaged Pull the tube out of the tire Repair the tube using a bicycle tire repair kit If repairing is not possible replace the tube c k schall Fitting tires Inflate the tube slightly until it has its round shape Insert the valve in the valve hole of the wheel rim and insert the tube in the tire the tube should be inside the tire completely without folds Starting at the valve push the tire flanks over the edge of the wheel rim with both hands Make sure that the tube is not jammed between the tire and the wheel rim objects such as screw drivers in order to prevent the inner tube H Use a bicycle tire lever for this Do not use sharp or pointed from being damaged Pumpthe tire up to the maximum operating pressure Make sure that the tire does not loose air anymore Spiderwheels If the Spiderwheel starts squeeking then proceed as follows Remove the wheel Tighten the bolt in the wheelrim Spare parts All spare parts are available at your authorized dealer To determine the size of a front wheel compare its outer nm diameter to the scale on the back of this manual Service 21 5 3 Service life and disposal We assume that our wheelchairs will be in use daily For this reason the whole equipment is subjected to an almost continuous stress and consequently a natural wear and tear Taking this into consideration and provided tha
18. h the brake lever forward until it reaches the stopper Releasing the brake Pull the braking lever back Performance brake Figure 11 Applying the brake Push the brake lever forward until it reaches the stopper Releasing the brake Pull the braking lever back c k schall Active brake Figure 12 Applying the brake Pull the braking lever forward beside or between your legs until it reaches the stopper Releasing the brake Push the braking lever back beside or between your legs c k schall Stoplock brake Applying the brake Fold the red lever at the hub forward Releasing the brake Fold the red lever at the hub back Figure 13 Using the wheelchair 11 3 Transporting the wheelchair Remove the seat cushion if present Flip up the footplate footplates sit on the wheelchair during a transport use a properly With both hands pull the seat cover upwards The wheelchair Check if the parking brakes are released A Your wheelchair is not suitable for use in vehicles Do not secured seat folds up completely Unfolding the wheelchair 3 1 Folding and unfolding the wheelchair Folding the wheelchair Figure 15 Press against the front corners of the seat with the palm of your hand until the seat profile snaps into the frame click Figure 14 12 Transporting the wheelchair c k schall There is a danger of catching fingers between
19. hair Chapter 2 Using the wheelchair carefully and follow the safety instructions y Before using the wheelchair for the first time please read For security reasons it is essential that you check the functionality of your wheelchair daily Pay special attention on the following parts provided they are mounted Wheels backrest antitipper pushhandles quick release fork Normally your authorized dealer will unpack and unfold the wheelchair if necessary for you If you receive your wheelchair unfolded please read Chapter 3 1 Folding and unfolding the wheelchair General 3 2 Using the wheelchair Always adjust the clothes you wear and your driving Al behaviour to the conditions weather road conditions individual skills etc Please note that the risk of sliding is higher if the ground is wet on gravel roads and on rough ground 2 1 Getting into or out of the wheelchair When getting into or out of your wheelchair do not stand A on the footrests Danger of tipping You should only get into or out of your wheelchair if you are physically competant Please consult your physician or therapist Do not sit on the clothes guards the armrests or the brakes when getting on off the wheelchair They might bend or break Danger of injury The way you can get into or out of your wheelchair depends on your physical condition and the type of handicap Generally the procedure is as follows Pull the parking brake
20. ides of the chair c k schall c k schall textunit UMO5 en Ultra Light doc Angle adjustment Position adjustment The angle between the footrest and the frame tube can be The footrest can be mounted in 2 positions adjusted continuously Figure 28 Figure 29 Slightly loosen the bolted connection below the footplate Remove the bolts Adjust the angle as required Turn the footplate into the other position Tighten the bolts again Tighten the bolts securely again ccktischall Adjustments carried out by the authorized dealer 27 6 2 Two piece footplate adjustment A Always carry out these adjustments on an open wheelchair never on a folded wheelchair Height adjustment The footrest height can be adjusted in steps of 10 mm Figure 30 Remove the bolts Holding the telescopic tube with both hands slide the footrest into the required position Insert the bolts into the nearest hole and tighten again Make sure that the same adjustments have been made to both H sides of the wheelchair 28 Adjustments carried out by the authorized dealer Position adjustment Figure 31 The footrest can be mounted in two different positions Both footrests must be exchanged to change from the frontal position to the rear position Remove the bolts on both sides of the wheelchair Remove the footrests and insert them into the other side of the wheelchair again Tighten the bolts firml
21. ightly press the Antitipper shackle down and inside The device will swing away upward Adjustments and options 17 4 8 Tipper aid 4 9 Cane holder The tipper aid facilitates tipping the wheelchair for the guide when crossing a step for example Figure 24 Put the cane in the holder Secure the cane at the push handle using the Velcro strap Figure 23 Hold the wheelchair by the push handles The cane must not project backward over the outer WN diameter of the rear wheel Danger of tipping With one foot step on the tipper aid and hold the wheelchair tipped until you have passed the obstacle The tipper aid must not project backward over the outer A diameter of the rear wheel Danger of tipping 18 Adjustments and options ccktischall 4 10 Security belt Your wheelchair can be equipped with a security belt which prevents falling out of the wheelchair Figure 25 Belt assembly The assembly of the belt should be carried out by your Al dealer Pull the belt through the backrest and position it so that the buckle is placed at the front Opening the belt Press on the PRESS button and pull the locker Q out of its socket The buckle will open up Closing the belt Insert the locker completely into the buckle socket Pull the belt until you are secured in the wheelchair c k schall 4 11 Passive lighting You can install two reflectors on the rear wheels 4 12 Air pump
22. k cover tightened too much Remedy Correct air pressure Chapter 5 2 Put bearing block in vertical position Chapter 6 4 Correct the shear pretension or the track Chapter 6 1 Position the front wheels such that they touch the floor at the same time Chapter 6 4 replace defective spoke s Tighten the loose fitting spokes Clean or replace bearing Shift wheels backward Chapter 6 3 Mount adapter place at a lower position of the lateral support Chapter 6 3 Select smaller front fork Reduce backrest angle Chapter 6 5 Correct air pressure Chapter 5 2 Change track Chapter 6 1 Correct air pressure Chapter 5 2 Tighten nut at bearing block axle slightly Slightly loosen topmost strap Service 23 24 5 5 Technical data GB Total width GL Total length SB Seat width SHv Seat height front SHh Seat height rear SW Seat angle ST Seat depth UL Length of lower leg RH Backrest height RLW Backrest angle Weight Maximal load GB SB 17cm cm cm cm cm cm cm cm cm cm kg kg Frame 75 Frame 85 49 67 89 86 32 50 42 55 39 50 Variable 6 32 50 32 52 30 55 5 12 8 4 0 49 8 12 9 8 130 Depends on seat level length of lower leg rear wheel and position of footrest With standard configurations can vary Service Figure 26 c k schall c k schall textunit UMO5 en Ultra Light doc 5 6 Warranty conditions Standar
23. s see Chapter 5 2 Maintenance Loosen the hexagon socket bolt at the brake holder hex socket wrench 5mm and move the brake to the required position With the brake applied the brake shoe should not sink into the tyre more than 4 mm Tighten the hexagon socket bolt at the brake holder again The function of the parking brakes is only ensured if A sufficient air is in the tyre see Chapter 5 2 Maintenance Adjustments and options 4 2 Adjusting the tension of the backrest cover If your wheelchair is equipped with a backrest cover with adjustable tension you can adjust the tension of the backrest cover to your individual requirements Remove the backrest cushion Figure 18 Loosen the Velcro straps on the rear side of the seat cover by simply pulling them off Tighten or loosen the straps as required and fix them again Do not tighten the topmost strap too much otherwise WN folding the wheelchair becomes difficult Fl Adjusting the backrest see Chapter 6 c k schall 4 3 Height adjustable push handles The stepless height adjustable push handles allow pushing the wheelchair in a comfortable position To ensure a maximum shoulder room for the wheelchair driver the push handles are inclined backward Figure 19 Adjusting the height of the push handles Loosen the locking bolt Move the handle to the required position Tighten the locking bolt again c k schall 4 4
24. speed must be controlled Using the wheelchair 7 2 5 Stability and balance when sitting in the chair For many every day life activities you will have to bend out of the wheelchair forwards to the side or backwards This has a great influence on the stability of the wheelchair In order to keep your balance at any time please observe the following NYY Leaning forward OS Lean back and let the hand rims slip through your hands carefully You should be able to stop the wheelchair at any time by holding the hand rims Figure 6 Please note that the hand rims can heat if you brake for longer A periods of time by hand This applies especially to MaxGrepp and Supergripp handrims Figure 7 Align the front wheels to the front To do this move the wheelchair slightly forward and then back again Apply both parking brakes When leaning forward make sure that your abdomen remains above the front wheels Using the wheelchair c k schall Do not lean forward too much You might fall out of the yY wheelchair Do not slide forward in your seat to reach out for remote objects You might fall out of the wheelchair Do not try to bend your abdomen forward between your legs in order to pick up something from the floor Leaning backward Figure 8 Align the front wheels to the front To do this move the wheelchair forward a bit and then back again Do not apply the
25. t the wheelchair is maintained properly the lifetime of the K schall wheelchairs is approximately 5 years If the wheelchair is used less frequently e g if you use it inside your apartment only and if it is maintained perfectly the service life will increase accordingly For proper disposal of your wheelchair please contact your authorized dealer 22 Service c k schall 5 4 Detecting and repairing defects The daily use of the wheelchair new adjustments or changed requirements may result in defects which can be repaired We recommend that the adjustments should be carried out by your authorized dealer Defect Wheelchair does not roll straight Wheelchair tips too easily Poor or asymmetric brake grip Rolling resistance is very high Front wheels vibrate when driving fast Unfolding the wheelchair is difficult c k schall Possible cause Wrong air pressure in one of the rear wheels Bearing block of the front wheel fork is not in a vertical position The rear wheels do not run parallel or are axially shifted Front wheels not adjusted to same height One or more spokes are broken Spokes are not equally tightened Front wheel bearings dirty or damaged Rear wheel mounted too far to the front Seat angle too large Backrest angle too large Wrong air pressure in one or both rear wheels Rear wheels are off track Wrong air pressure in the rear wheels Tension at front wheel bearing block too low Bac
26. ver stairs and steps PY c k schall Always be very careful and move slowly when driving over curbstones stairs or other steps Do not try to drive over steps which have a height of more than 25 cm Only drive on stairs with more than one step if an aide is behind the wheelchair With an aide Figure 3 Driving down a step Drive to the edge of the step make sure that the wheelchair is in a straight position Hold on to the two push handles on the rear of the wheelchair put one foot to the bottom part of the frame and tilt the wheelchair backward so that the front wheels leave the ground Hold the wheelchair in this position and push it down the step slowly The wheelchair driver can support you by using the hand rims Using the wheelchair 5 Tilt the wheelchair forward until the front wheels have ground contact again Driving up a step Move the wheelchair backward until the rear wheels hit the edge of the step Pull back both push handles tilt the wheelchair until the front wheels leave the ground and pull the rear wheels over the edge Move the wheelchair until you can safely tilt the wheelchair forward Without an aide If you want to drive down a step without a guide you A must have perfect control over your wheelchair and must be able to balance it on the rear wheels see Finding the Tipping Point in Chapter2 2 Using the wheelchair Figure 4 Driving down a
27. y again c k schall c k schall textunit UMO5 en Ultra Light doc 6 3 Seatheight rear adjustment The seat height rear can be adjusted by repositioning the adapter plate on the frame Figure 32 Remove the rear wheels and tip the chair onto the front frame Loosen the adapter sleeve and the rear bolt Remove the front bolt and move the adapter plate into the required position Mount the adapter plate with bolt and tighten the adapter sleeve Torque 40Nm and rear bolt again c k schall 6 4 Rear wheel position adjustment Figure 33 The further back you mount the adapter sleeve in the adapter plate the higher the tipping safety of the wheelchair is Remove the adapter sleeve in the adapter plate Insert the adapter sleeve in the required hole of the adapter plate Tighten the adapter sleeve again firmly Torque 40Nm Make sure that the same adjustment is made on both sides of HH the wheelchair The mud guard as well as the brakes must be repositioned after an adjustment has been made to the rear wheel position Adjustments carried out by the authorized dealer 29 6 5 Seat height front adjustment The seat height front can be adjusted by positioning the castors in another position in the fork or by replacing the front fork or the front wheels The bearing block of the front fork should always stand A vertically to the floor to achieve the optimal driving

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