Invacare Kuschall Ultra Light
Contents
1. c k schall 23 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Sideparts Size of the clothes guard mudguard The clothes guard and mudguard can be adjusted to suit the height of the rear wheel exactly Two sizes of each are available Clothes guard mudguard with respect to the position of the rear wheels with standard adapter plate SHh Rear wheel 22 Rear wheel 24 Rear wheel 25 Rear wheel 26 2 3 4 1 23 4 1 2 3 4 1 2 34 4 N EN 37 LT LILILIEIEILIEILEILI EI JAS I IE EI Li S LP bye eye yey EI EN EI TE i EN 39 ELE S IB LEA JALEN KANEA le eye Ye ee ey ANE 40 ILLI S he ee EI eye EN eye eye 47 E L ESNESN LIL LESLI E eye ye E ELE 42 L i E ESES EVE Lg E CIE eye ey eye ye 43 C L L BBL eye 2 44 L ESNESSESN L LERNEN LIL LEN LIL LIL 45 ESSESNESSESN L L ETET LIL LESLI LL ES A 3 18 46 ESNESNESENESN L L WARSA Lo ct SNC LL S o 2 47 ESNESNESNESM L ESRESSESE LL WARSA L L L S un 48 ESEESRESRESSN L ESRENSSESS L L WARSA L L L ES 49 ESNESNESEESSESEESMESEESS L ESEESSESE L L BSEES 50 ESNESRESSESNESSESSESEESS L ESEESSESE L L SEES Clothes guard mudguard with respect to the position of the rear wheels with rear wheel extension SHh Rear wheel 22 Rear wheel 24 Rear wheel 25 Rear wheel 262. Make rear wheels parallel Drum brake set too narrow Set the drum brake Bearings are dirty or faulty Replace the bearings The front wheels wobble when moving fast Too little tension on the clevis pin housing Tighten the nut on the castor fork slightly Front wheel has worn smooth Replace front wheel The front wheel is stiff or stuck Bearings are dirty or faulty Replace the bearings The wheelchair is very difficult to unfold The backrest cover is too tight Loosen the topmost Velcro band of the backrest cover a little Left and right side of the wheelchair can be moved in parallel to one another Longitudinal stopping bolts on the seat edge are loose Tighten the longitudinal stopping bolts on the seat edge c k schall K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light ee Frame Frame Q Rear frame Q Retaining lever Cross A k i Front frame AY 4 gt NNUS G Upper connecting tube Su gt Lower connecting tube p NN NN SON Seat locking mechanism SAN 4 Longitudinal stopping bolts IN SAN WN SN NS N o p WR S lt Y P Sy 7 Ey 9 s S8 Aa c k schall 6 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Frame Rear frame Replacing the rear frame Difficulty e o Tool amp 5 10 Remove backrest Loosen and remove b
3. f N K schall AG Schweiz 03 2010 Service Manual Backrest Fitting height adjustable rear set push handles Difficulty O Tool 8 3 4 5 8 10 The Velcro bands may have to be replaced with narrower ones as space is required to secure the holder on the telescopic tube MW Secure the telescopic tube to the rear frame at the required height E Press the cover cap onto the end of the telescopic tube E Push the Velcro bands onto the telescopic tube E Push the holder onto the telescopic tube and fix in place by tightening the clamp bolts 13 Nm E Fitend band onto the telescopic tube and secure with a bolt E Attach protective cushion Fitting angle adjustable backrest with height adjustable push handles Difficulty eo Tool X 3 4 5 5 8 10wm C10 Shorter rear frame variant III required E Push the lower joint pin into the rear frame and fix it using the bolts EB Fit backrest tube onto the upper joint pin using bolts Assemble the upper and lower joint pins and and secure with a bolt 13 Nm E Set the desired backrest angle and secure in the nearest hole using a nut and bolt 13 Nm E Retighten the bolt 13 Nm E Push the single Velcro band and then the other Velcro bands and end band over the backrest tube E Push in push handle completely E Using the clamp bolt fit the hei
4. Function check Tip the wheelchair backwards 90 so that it is lying on the backrest and rear wheels Turn the fork up A and allow it to swivel down The fork is adjusted correctly if it just passes the lowest point and stops there B If the fork moves back when in its lowest position C it has not been tight ened enough There is a risk that the front wheels will start to wobble when travelling at high speeds c k schall 25 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light S N Front wheels Setting the steering error angle Difficulty O Tool 85 510 E Loosen bolts and nuts E Hold spirit level against the clevis pin housing E Turn the bolt until the clevis pin housing is vertical E Retighten bolts and nuts 13 Nm CAUTION It is important that the settings on the left and right are precisely the same Correcting the trail angle Difficulty O Tool 85 O 10 E Loosen bolts and nuts E Remove clevis pin housing E Attach adjustment template for toe out insert template at the bottom G for toe in insert template at the top E Fit clevis pin housing E Set the angle gt Manual Castor fork Adjusting the angle Special housing guides Fitting special housing guide for smaller SHv housing guide fitted high Difficulty eeo Tool 85 O 10 Remove clevis pin housing Rem
5. 5 6 5 6 5 6 5 6 EN 37 L L IL L L L L L Eu 38 NE 5 L L L L L L EN 39 S S iL L IL L L iL ELM 40 S S IL IL IL L L 41 S S L IL L L L iL 42 S S L IL L L L L 43 S S L L S S S S 8 4 NS S S S S S S S all o 45 S S S S S S S S 00 20008 46 S S S S S S S S id 7 BEENESSSEIESENE GNE 5 48 S S S S S S S S 49 S S S S S S S S 50 S S S S S S S S c k schall 24 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Front wheels Front wheels Replacing the front wheel Difficulty OO Tool 8 3 El Remove bolts pull out wheel axle El Remove front wheel and replace with a new one or move to a new position In the case of the Starec wheel skater wheel 3 sports wheel and the 5 soft roll wheel 2 sleeves must be pushed onto the axle These sleeves are already in place on the low resistance wheel the sports wheels and the pneumatic wheels E Re insert axle and tighten bolt 4 Nm Function check There must be no play in the wheel but it must turn easily Castor fork Replacing the castor fork Difficulty 0 Too 3 19 EI Remove bolts wheel axle and front wheel El Remove nuts and pull the castor fork from the clevis pin E Replace castor fork and secure with nut such that the fork has no play E Re insert the front wheel CAUTION Do not overtighten nut as this can damage the fork bearing
6. 7 Nm Two piece footrest adjustable angle Adjusting the angle Difficulty oo Too 5 El Loosen bolt El Change the angle of the footrest until it reaches the required position E Retighten bolt 13 Nm c k schall 20 K schall AG Schweiz 03 2010 Service Manual Sideparts Sideparts Clothes guard mudguard Fitting the clothes guard mudguard Difficulty O Too 3 8 El Fit side fastenings onto the frame FJ Fit clothes guard mudguard with bolts and nuts onto the side fastenings 4 Nm CAUTION Fit the mudguard such that it is positioned either 8 mm or 25 mm above the tyres to avoid the risk of trapping one s fingers Adjusting the clothes guard mudguard Difficulty eo Too 6 3 5 8 El Loosen bolts Move the clothes guard mudguard E Retighten bolts 4 Nm or FJ Loosen and remove bolts E Re fit clothes guard mudguard Din another position 4 Nm Fitting and adjusting the removable mudguard Difficulty e o Tool 8 3 4 5 5 10 El Fit side fastening element with bolts 2a 4 Nm and 2b 7 Nm FJ Insert mudguard G in the side fastening element Adjust the height by loosening the three bolts on the end stop EJ If the edge of the mudguard does not run evenly over the tyre loosen bolts 9 6 and push the mudguard into the required position Retighten bolts 9 6 7 Nm CAUTION Fit the mudguard such that it
7. either the front two or all four seat locking mechanisms can be ro tated by 180 Difficulty OO Too 3 E Loosen bolt in seat locking mechanism E Turn seat locking mechanism by 180 MW Secure bolt with adhesive low strength E Retighten the bolt 4 Nm O Screw out the bolt only to the extent that the seat locking mechanism ll can be turned as otherwise the threaded insert can move and is then difficult to re position c k schall 10 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Backrest Backrest Backrest height The backrest height can be changed by fitting the telescopic tubes into an other position in the backrest tubes If this setting option is insufficient the telescopic tubes can be replaced Adjusting the height of standard backrests Difficulty 00 Tool 3 4 6 8 10 E Push the backrest cover upwards and remove the bolt on both sides El Push the push handles GO upwards or downwards until you reach the required height Replace the bolt and tighten jl If this setting range is insufficient use new push handle tubes O Ifthe backrest height was changed considerably a new backrest cover may have to be fitted Adjusting the height of Velcro adjustable backrests Difficulty oo Tool 3 4 6 8 10 BE Remove backrest cover and move the Velcro bands until bolt is visible E Remove bolt and move the push
8. 03 2010 Service Manual c k schall Ultra Light S 2 General Introduction This Service Manual contains all the technical information necessary for the a inspection configuration or repair of a K schall wheelchair w To maintain the necessary levels of safety and reliability every wheelchair RH must be thoroughly examined once a year 5 Some aspects of the assembly and configuration of the wheelchair require a high level of expertise These assembly instructions therefore break the various tasks down into 3 categories lt SHh m SHv Requirement Symbol Easy technical understanding required eoo H SB Medium technical knowledge required eeo n p q Difficult technical knowledge and expertise in LII assembling wheelchairs required The required tools and their sizes are listed before the instructions The various torque values with which the nuts are to be tightened are also specified in the instructions A torque spanner must be used in order to comply with the specified torque values Tool Symbol Allen key 3 4 5 nn GB Torx wrench k 10 Phillips head screwdriver x Open end spanner wmm 89 10 18 8 10 19 22 Socket spanner Box spanner Spare parts and adaptations All spare parts may be obtained from the K schall customer service de partment An electronic spare par
9. 5 L 1B 2B S 33 S S S S 1B 4B S 34 5 S S L t S 1B 4B S o 36 S S L v S 1B 4B S 37 5 S S L L 1B 48 S x 59 S M S M L E L 1B 4B M 40 5 S M S M L D L 1B 4B M 42 S M S M L 9 L 1B 4 M o Q 43 5 M M L S 1B 6B M 5 LI 45 M M g S 1B 6B M lg B 46 5 M M L D S 1B 6B M i BSS 48 M M L S 1B 6B L LI I 49 5 M M L L 1B 6B L N 51 M M L EZ E1Br 6B2 Assumption No stabilising bar fitted For RH51 with height adjustable integrated push handles 9 S 2x4B c k schall 16 6 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Backrest Foldable angle adjustable backrest with respect to push handles Standard Folding Height adjustable Velcro push push integrated push band handles handles handles 2 r n A Backrest 1 E height o RH o e 06060696 L7 30 S S S S S 31 5 S 5 5 5 S 33 S S S S S 34 5 S S 5 S L 2B S a ES 36 S S EN o EN o DEM 37 5 S S sgl s fu 2 S x 39 S S s sS s L 2B M Fel a 40 5 S S L Zass SIs 4B M 42 S 5 le 9 S 4B M o o 43 5 M M L S z S 4B M oO I 45 M M L T L 5 E 4B M 46 5 M M L D L o L 4B M 48 M M IL L IL 4B L 49 5 M M L L L 4B L 51 M M IL L IE 4B IL Assumption No stabilising bar fitted For RH37
10. stability The tipping stability is influenced by the rear wheel being fitted further for ward or further backward on the adapter plate The further back the adapter sleeve is fitted the greater the tipping stability of the wheelchair If the rear wheel is to be fitted even further back a rear wheel extension can be fitted to increase the tipping stability even more Adjusting the position of the rear wheel on the adapter plate Difficulty OO Tool 19 22 El Remove the adapter sleeve El Set the adapter sleeve at the required position in the adapter plate O and tighten the nut securely 33 Nm E Perform the same setting on both sides O Brakes and mudguard must be repositioned if the position of the rear wheel is changed Fitting the rear wheel extension Difficulty OO Tool 5 C 10 19 22 El Remove the adapter sleeve and adapter plate FJ Position the adapter plate for the rear wheel extension at the required height and tighten securely on the counterpiece using bolts O and 13 Nm Set the adapter sleeve at the required position in the adapter plate O and tighten the nut securely 33 Nm Rear wheels Wheel camber A wheel camber of either 0 or 3 is possible Changing the wheel camber Difficulty eee Tool mmm 18 C 19 22 The wheel camber is changed by replacing the adapter sleeve El Remove adapter sleeve El Insert new adapter sleeve
11. 5 with height adjustable integrated push handles 8 S und 2B 4B Additionally a band is fixed close to the backrest joint The band is of different length according to the seat width SB There are 3 lengths SB 28 36 gt short SB 38 44 gt medium SB 46 50 gt long c k schall 17 K schall AG Schweiz 03 2010 Service Manual Footrests Footrests One piece and two piece footrests are available One piece footrest Replacing the footplate Difficulty OO Too 040 10 E Loosen bolts on both sides E Remove footplate and replace with a new one E Re insert bolts Dand tighten 3 Nm Disassembling fitting the footrest Difficulty 00 Tool 0408 El Remove bolts on both sides Fl Pull out the footrest EI Insert new footrest EI Tighten bolts on both sides at the same height and in the required position 4 Nm Adjusting the height of the footrest Difficulty 00 Tool 0408 El Remove bolts on both sides FJ Hold the telescopic tubes with both hands and push the footrest into the required position EI Insert bolts into the nearest hole on both sides and at the same height and tighten securely 4 Nm c k schall 18 c k schall Ultra Light S 4 Ktischall AG Schweiz 03 2010 Service Manual c k schall Ultra Light S Footrests Centring and adjusting the angle Difficulty OO Too 4 10 E Loosen bolts an
12. 761 81 08 lt sweden invacare com lt finland invacare com Switzerland Mobitec Rehab AG lt Benkenstrasse 260 lt CH 4108 Witterswil Tel 41 0 61 487 70 80 lt Fax 41 0 61 487 70 81 lt switzerland invacare com United Kingdom Invacare UK Operations Limited Pencoed Technology Park Pencoed Bridgend CF35 5HZ Tel 44 0 1656 776 222 Fax 44 0 1656 776 220
13. and fix at the required height E Secure end band on the telescopic tube with a bolt c k schall 12 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Backrest Setting the backrest angle Difficulty O Tool 5 C 10 10 El Remove the backrest cushion and push the Velcro bands upwards until the backrest joint is invisible El Remove the bolt El Set the desired backrest angle insert the bolts in the nearest hole and tighten 13 Nm E Retighten the bolt 13 Nm E Perform the same setting on both sides Visual check By looking from the side check that both backrest tubes are level and thus that the same angle has been set on both sides Fitting the joint for a folding backrest Difficulty e o Too 4 5 10 Shorter rear frame variant III required El Set the desired backrest angle insert bolt in the nearest position Pos 1 2 or 3 and tighten 13 Nm With the curved backrest tubes other positions can be achieved in addition to the 3 positions specified E Fold down upper joint pin with intermediate backrest tube FJ Push the joint housing into the rear frame and fit it using a bolt 13 Nm Backrest angle Position 1 rear position 82 with curved backrest tube 90 Position 2 mid position 86 with curved backrest tube 94 Position 3 front position 90 with curved backrest tu
14. antitipper on the ground In this position the distance between the wheel and the ground must be 3 cm c k schall 31 c k schall Ultra Light S 2 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Options amp accessories Tipper aid Fitting the tipper aid Difficulty OO Tool 5 10 E Secure adaptation support with bolt onto adapter plate 13 Nm Push in spring clip and push the tipper aid into the adaptation support E Make sure that the spring clip is correctly engaged in the adaptation support Height adjustment Difficulty oo E To adjust the height remove cap and e g using a screwdriver compress the spring inside the tube and push into the required position Cane holder Fitting a cane holder Difficulty oo Tool 8 5 10 MW Secure adaptation support with bolt onto adapter plate 13 Nm Push in spring clip amp and push the cane holder into the adaptation support E Make sure that the spring clip is correctly engaged in the adaptation support Height adjustment Difficulty oo E To adjust the height remove cap and e g using a screwdriver compress spring inside the tube and push into the required position c k schall 32 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Options amp accessories Transit wheels Fitting transit wh
15. ar wheels c k schall Ultra Light S 2 Seat height rear with respect to the rear wheels and positioning on the frame Rear wheel size inch SHh cm 22 24 25 26 3 1 Oo 1 38 2 Ol 2 39 3 1 Ol 3 40 41 4 2 1 O 4 42 5 3 2 1 O 5 43 6 4 3 2 O 6 44 7 5 4 3 O d 45 46 8 6 5 4 S 47 9 7 6 5 O 10 48 10 8 7 6 O 11 49 9 8 7 Ol 12 50 10 9 8 Seat width SB SBs range from 28 50 cm Once the SB is specified it is very difficult to change it the cross struts back rest cover on standard backs and on some configurations the footrests must be replaced Seat depth ST STs range from 32 50 cm To reduce the ST the cross struts must be shortened and a new appropri ately sized seat cover fitted At an ST gt 40 cm the frame can be shortened To enlarge the ST new cross struts a new appropriately sized seat cover and depending on the ST a new frame must be installed c k schall 9 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Seat Replacing the seat cover Difficulty O Tool kk 10 El Loosen bolts and remove plug FJ Remove seat cover including plastic rods E Position new seat cover Adjust seat cover to width SB 2 5 cm E Retighten bolts 4 Nm and plug Turning the seat locking mechanism If the seat edge can be too easily removed from the seat locking mecha nisms
16. at the required position on the adapter plate and tighten securely 33 Nm To fit a 3 sleeve the side of the sleeve must be aligned vertically using a spirit level to ensure that the rear wheels are parallel to one another Visual check The gap between the wheel and the frame at the front must be the same on both sides The gap between the wheels at the front and rear at axle level must be the same Adapter plate for drum brake Fitting the adapter plate for the drum brake Difficulty oo Too 5 10 El Remove the adapter sleeve and adapter plate FJ Position the adapter plate for the drum brake at the required height and tighten it securely on the counterpiece using bolts and 13 Nm gt Manual Fitting the drum brake Section Brakes Distance sleeves for rear wheels If new side parts are fitted on a wheelchair side rests arm rests clothes guard or mudguard the gap between the rear wheels must be increased by attaching additional distance sleeves Likewise distance sleeves may also have to be fitted if other rear wheels are fitted or if the seat height rear is altered Service Manual c k schall Ultra Light k Brakes Brakes Parking brakes Fitting adjusting the parking brake 1 Difficulty oo Too 5 10 CAUTION The parking brakes must be adjusted whenever the rear wheels are replaced BE Check the air pressure in the
17. be 98 990000000000 c k schall 13 K schall AG Schweiz 03 2010 Service Manual Backrest Replacing push handles push handles and backrest If the push handles are replaced with a different type of push handles e g height adjustable ones it can happen that the rear frame must also be re placed Changing the backrest height can also mean that the configuration of the Velcro bands must be changed Fitting standard push handles Difficulty O Tool 3 4 5 5 8 10 El Secure the telescopic tube to the rear frame at the required height FJ Push the backrest bands and end band onto the telescopic tube end band first E Secure end band on the telescopic tube with a bolt Fitting height adjustable integrated push handles Difficulty eeo Tool X 3 4 5 5 8 10 Special rear frame required for RH 30 46 5 variant II E Push lower telescopic tube and upper telescopic tube into one another and insert bolt E Secure pre assembled element telescopic tubes and at the required height on the rear frame with a bolt 7 Nm E Push the Velcro bands and end band onto the telescopic tubes E Using the clamp bolt secure the height adjustable push handles through the telescopic tube MW Push in push handle completely MW Secure end band on the telescopic tube GO with a bolt c k schall 14 c k schall Ultra Light S i BE
18. cck schall designed for life c k schall Ultra Light ce Service Manual Service Manual Contents GONEM al ssvniesscsisssssssscccassvsiassevzsacncessccucessdsnccetecuvesessnsnassciasosssase Introduction Spare parts and adaptations Fastening with hexagon socket bolts Torque Checks Identifying and repairing faults PRAM SERERE LET Rear frame Front frame Retaining lever Seat height front SHv Seat height rear SHh Seat width SB Seat depth ST BaCkr st sasarane Backrest height Adjustable angle backrest Replacing push handles push handles and backrest dvi lic f One piece footrest Two piece footrest Two piece footrest adjustable angle HMLRCDL C Y Clothes guard mudguard Siderests Front wheels asesssssnsssshncssssserasssnsnsensesssnsensnsnnnnssssssensssnnnse Castor fork Special housing guides Rear wheels sssesesscssssssssennsssnssessssensunsnssnssssssenusnnsnnennsnesenennee Adjusting the seat height rear Tipping stability Wheel camber Adapter plate for drum brake Distance sleeves for rear wheels Parking brakes Drum brake Options amp accessories essessnsensnnssnnnsnsnnnsnssnennnsnnnnnsnsnnsnnnnsnsnene Antitipper Tipper aid Cane holder Transit wheels c k schall c k schall Ultra Light S 5 UU Un JB s NNN iO NO K schall AG Schweiz
19. d Q slightly Set the same distance from the side tube to the footplate on both sides Set the required footplate incline Re tighten bolts fixed side of the footplate 13 Nm Turn the little tube on the moving side of the footplate such that it engages properly E Tighten bolts 13 Nm EHE NEE El Loosen bolts on both sides and remove FJ Turn the footplate with the clamp component Changing the position of the footrest set to rear set to front Difficulty OO Too 040 10 EI Re insert bolts Mand tighten 13 Nm c k schall 19 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light R N Footrests Two piece footrest Difficulty 00 Tool 0408 Disassembling fitting footrests El Remove bolts on both sides FJ Pull out footrests E Push the new footplates into the frame and at the required height EI Insert bolts into the nearest hole on both sides and at the required height and tighten 4 Nm Adjusting the height of the footrests Difficulty oo Too 64 08 E Remove bolts E Push the footplates into the required position E Insert bolts into the nearest hole on both sides and at the required height and tighten 4 Nm Changing the position of the footrests set to rear set to front Difficulty oo Tool 5 El Remove bolts FJ Pull the footrests away downwards and replace E Re insert bolts and tighten
20. e SA lt c Areny s n Pol gon Industrial de Celr lt E 17460 Celr Girona Tel 34 0 972 49 32 00 lt Fax 34 0 972 49 32 20 contactsp invacare com France Invacare Poirier SAS lt Route de St Roch lt F 37230 Fondettes Tel 33 0 2 47 62 64 66 Fax 33 0 2 47 42 12 24 contactfr invacare com Ireland Invacare Ireland Ltd Unit 5 Seatown Business Campus lt Seatown Road lt Swords lt County Dublin Ireland Tel 353 1 810 7084 fax 353 1 810 7085 ireland invacare com Italy Invacare Mecc San s r l Via dei Pini 62 lt 1 36016 Thiene VI Tel 39 0445 38 00 59 lt Fax 39 0445 38 00 34 lt italia invacare com Netherlands Invacare BV lt Celsiusstraat 46 NL 6716 BZ Ede Tel 31 0 318 695 757 Fax 31 0 318 695 758 nederland invacare com Norway Invacare AS Grensesvingen 9 lt Postboks 6230 lt Etterstad lt N 0603 Oslo Tel 47 0 22 57 95 00 Fax 47 0 22 57 95 01 norway invacare com lt island invacare com Austria Mobitec Mobilitatshilfen GmbH lt Herzog Odilostrasse 101 lt A 5310 Mondsee Tel 43 6232 5535 0 lt Fax 43 6232 5535 4 office mobitec austria com austria invacare com Portugal Invacare Lda lt Rua Estrada Velha lt 949 lt P 4465 784 Le a do Balio Tel 351 0 225 1059 46 47 lt Fax 351 0 225 1057 39 portugal invacare com Sweden amp Finland Invacare AB lt Fagerstagatan 9 S 163 91 Sp nga Tel 46 0 8 761 70 90 Fax 46 0 8
21. ed they have to be secured with adhesive again The most important bolts with adhesive are e Central bolt on the cross high strength adhesive 3 Nm e Longitudinal stopping bolts on the seat edge bolts which come to rest on either side of the rear seat locking mechanisms when the seat is unfolded low strength adhesive 13 Nm Identifying and repairing faults Fault Possible cause Action The wheelchair does not travel in a straight line Incorrect tyre pressure on one rear wheel Correct tyre pressure One or more spokes broken Replace broken spoke s Spokes tightened unevenly Tighten loose spokes Front wheel bearings are dirty or damaged Clean or replace the bearings Support bearings in forks faulty Replace the support bearings Steering error or trail angle left and right uneven Adjust steering error or trail angle The wheelchair tips too easily Rear wheels are mounted too far forwards Mount the rear wheels further back Backrest angle too large Reduce backrest angle Seat angle too large Mount the adapter plate lower on the side profile The brakes are gripping poorly or asymmetrically Incorrect tyre pressure in one or both rear tyres Correct tyre pressure Brake setting incorrect Correct brake setting The rolling resistance is very high Tyre pressure in rear tyres is too low Correct tyre pressure Rear wheels not parallel
22. eels Difficulty OO Tool 8 5 5 10 E Secure adaptation support with bolts onto adapter plate 13 Nm Push in spring clip and push the transit wheel into the adaptation support E Make sure that the spring clip is correctly engaged in the adaptation support Height adjustment Difficulty OO E To adjust the height remove cap and e g using a screwdriver compress spring inside the tube and push into the required position O To bring the transit wheels into the upper or lower position the spring clip must be pressed in c k schall 33 K schall AG Schweiz 03 2010 cck schall K schall AG Benkenstrasse 260 CH 4108 Witterswil kueschall invacare com www kueschall com Service Manual Ultra Light ENGLISH 2010 03 k schall distributors Belgium amp Luxembourg Invacare nv lt Autobaan 22 lt B 8210 Loppem Tel 32 0 50 83 10 10 Fax 32 0 50 83 10 11 lt belgium invacare com Denmark Invacare A S lt Sdr Ringvej 37 DK 2605 Br ndby Tel 45 0 36 90 00 00 lt Fax 45 0 36 90 00 01 lt denmark invacare com Germany Invacare Aquatec GmbH lt Alemannenstra e 10 D 88316 Isny Tel 49 0 75 62 7 00 0 Fax 49 0 75 62 7 00 66 info invacare aquatec com European Distributor Organisation Invacare lt Kleiststra e 49 D 32457 Porta Westfalica Tel 49 0 57 31 754 540 lt Fax 49 0 57 31 754 541 edo invacare com Spain Invacar
23. ght adjustable push handles through the telescopic tube EB Fit end band onto the telescopic tube with a bolt c k schall 15 c k schall Ultra Light S 2 XX NS CS K schall AG Schweiz 03 2010 Service Manual k schall Ultra Light S N Backrest Backrest with adjustable backs with respect to push handles Standard Folding Height adjustable Velcro push push integrated push bends handles handles handles i 1 Backrest 1 height RH o e eoe 0000 30 S S S XXS S XXS S 4B S e 31 5 S S S XS S XS S 4B S 33 S S S S S S S 4B S 34 5 S 5 L IM S ML 4B S 36 S S Ei S IE AB S 37 5 S S L M S ML 4B S 39 S M S M L MS M L 4B M o 40 5 S M S M L M S ML 4B M 42 S M SM JL Mis M S B M 43 5 M M L L L L S 6B M A 45 M M ae Ed sd lel m pi E 46 5 M M L L L L L 6B M 48 M M L IL L L L 6B L 49 5 M M L L L L L 6B L 51 M M IE IL L L L GB L Assumption No stabilising bar fitted Angle adjustable backrest with adjustable backs with respect to push handles Standard Folding Height adjustable push push integrated push Velcro bands handles handles handles m Backrest 1 height RH o e e 0 0 6 0 30 S S S L 1B 2B S 31 5 S S
24. handle tube to the required height E Insert bolt Dinto the appropriate hole and tighten O Ifthe backrest height is changed considerably the push handles must be replaced An additional Velcro band may have to be fitted or one may have to be removed c k schall 11 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k i Backrest Adjustable angle backrest In order to make the backrest angle adjustable an adjustable angle back rest can be fitted Backrest angle Deviation Position from standard backrests TERNA Y i 1 12 102 O Doi 8 98 Angle between backrest and seat 12 8 4 0 Mn 2 lie 7 3 4 94 4 4 0 90 I 49 o 5 4 86 E amp F 6 8 82 iN 7 2 78 Fitting an adjustable angle backrest Difficulty O Tool 3 4 5 8 10m 10 Shorter rear frame variant III required E Push the lower joint pin into the rear frame and fix it using a bolt E Secure backrest tube to the upper joint pin using a bolt Assemble the upper and lower joint pins and and secure with bolt 13 Nm m Retighten the bolt amp 13 Nm MW Set the desired backrest angle and secure in the nearest hole using bolt 13 Nm E Push the single Velcro band and then the other Velcro bands and end band over the backrest tube E Push the push handle into the telescopic tube
25. is positioned either 8 mm or 25 mm above the tyres to avoid the risk of trapping one s fingers c k schall 21 c k schall Ultra Light S 2 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Sideparts Siderests In general a torque of 7 Nm is used to fit the side rests Fitting a flip to back side rest in the frame colour Difficulty O Tool 6 3 4 5 10 E Fit the side fastening element with bolt 1a E For bolt 1b bore a hole with a diameter of 6 mm through the front frame hole already made in the connecting tube and fit bolt 1b E Screw the sleeve and bolt onto the rear fastening element E Fit rear fastening element and clip loosely with bolts amp and sleeves normal rear frame 1 7 cm beneath the upper edge of the frame reinforcement on a shortened rear frame directly flush with the upper edge of the frame reinforcement E Mount the side rest position rear fastening element precisely E Attach the wedge and headless bolt O The sleeves are different for flip to back side rest in frame colour and flip to back side rest with engagement mechanism O To enlarge the distance between the wheels additionally a different adapter sleeve which is mounted from the inside has to be applied Fitting flip to back side rest with locking mechanism Difficulty e o Tool 3 4 5 O 10 EB Fitthe side fastening eleme
26. nt with bolt 1a E For bolt 1b bore a hole with a diameter of 6 mm through the front frame hole already made in the connecting tube and fit bolt 1b E Screw the sleeve and bolt onto the rear fastening element E Fit rear fastening element and clip loosely with bolts amp and sleeves normal rear frame 1 7 cm beneath the upper edge of the frame reinforcement on a shortened rear frame directly flush with the upper edge of the frame reinforcement E Mount side rest position rear fastening element precisely E Attach the wedge and headless bolt The sleeves are different for flip to back side rest in frame colour 11 and flip to back side rest with engagement mechanism Toenlarge the distance between the wheels additionally a different adapter sleeve which is mounted from the inside has to be applied c k schall 22 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light S Sideparts Fitting side rest insertable continuously height adjustable Difficulty O Tool 8 4 5 O 10 El Fit the side fastening element with bolts 4 Nm and 7 Nm FJ Insert side rest into the fastening element E Adjust height by adjusting the clamp component Fitting a simple swivelling armrest Difficulty O Tool 8 4 5 El Fit the rear fastening element PJ Insert the armrest 4 m Adjust height by adjusting the bolt in the tube of the armrest
27. olts 1a and 1b Pull out rear frame to the back Push the rear frame onto the upper and lower connecting tubes Reinsert and tighten bolts 1a and 1b torque 1a 13 Nm 1b 7 Nm Front frame Replacing the front frame Difficulty O Tool 8 3 4 5 10 BE Disassemble brakes E Loosen and remove bolts 4a and Ab on both sides If a flip to back side rest is fitted also loosen 4c E Pull out front frame to the front E Remove seat locking mechanism with threaded insert from old front frame and fit it on the new front frame Section Seat Turning the seat locking mechanism E Push the front frame onto the upper and lower connecting tube E Reinsert and tighten bolts 4a 4b if required 4c on both sides torque 4a 13 Nm 4b 7 Nm 4c 7 Nm E Set the castor fork angle gt Section Front wheels Castor fork Setting the steering error angle Retaining lever Replacing the retaining lever Difficulty eo Tool 8 3 4 5 10 With mudguard or clothes guard fixed remove 1a and 4b with mudguard or side rest insertable and siderest foldable remove 1a and 1b Remove bolt 2a Pull the retaining lever from the upper connecting tube Remove sleeve 2b Push the new retaining lever over the upper connecting tube Position sleeve 2b with wide edge in joint 2c Secure retaining lever with bolt 2a 4 Nm With mudguard or clothes guard fixed reinsert and tighten bolts 1a and 4b
28. ove standard housing guide Attach bolt Fit special housing guide high 13 Nm Fit clevis pin housing 13 Nm Set the angle gt Manual Castor fork Adjusting the angle Fitting special housing guide for larger SHv housing guide fitted low Difficulty eo Tool 85 10 Remove clevis pin housing Remove standard housing guide Fit special housing guide dow 13 Nm Fit clevis pin housing 13 Nm Set the angle gt Manual Castor fork Adjusting the angle c k schall 26 K schall AG Schweiz 03 2010 Rear wheels Rear wheels Adjusting the seat height rear Difficulty OO Tool 8 5 10 19 22 E Loosen the bolt of the adapter sleeve and bolts E Remove bolts and move the adapter plate into the required position Insert bolts at the appropriate height Insert the bolt of the adapter sleeve Tighten bolts and 13 Nm Tighten the bolt of the adapter sleeve 33 Nm Perform the same setting on both sides After the SHh is changed the steering error angle must be checked gt Manual Castor fork Adjusting the angle Section Front wheels and with a wheel camber of 3 the angle of the rear wheels must also be checked gt Manual Changing the wheel camber Section Rear wheels lo O After the SHh is changed distance sleeves may also have to be fitted in order to increase the distance to the rear wheels Tipping
29. rear wheels El Secure the brake holder loosely to the frame using bolt FJ Push the brakes into the brake holder and position then tighten the 2 bolt 13 Nm O The brake is set correctly if the brake rod presses into the tyre by no more than 4 mm when the brake is applied and the tyres are properly pumped Visual check Check that the parking brakes are positioned correctly The brake is set cor rectly if the brake shoe depresses the tyre by no more than 4 mm when the brake is applied In the case of active brakes and standard brakes this will be the case when the brake shoe is approx 25 mm away from the tyre when released Function check Place a weighted wheelchair with parking brake engaged facing uphill and then facing downhill on a ramp with an incline of 7 The wheelchair should not move c k schall 29 K schall AG Schweiz 03 2010 Service Manual c k schall Ultra Light k Brakes Drum brake Fitting the drum brake kl Difficulty eee Took 8 4 X vC 9 10 22 E Remove standard adapter plate and replace with adapter plate for drum brake gt Manual Fitting adapter plate for drum brake Section Rear wheels El Fit the drum brake plate and rotary fixing to adapter plate Connect the drum brake plate and rotary fixing with bolt amp 7 Nm El Fit brake lever on the push handle and secure Bowden cable with fixing set Setting the drum brake Difficult
30. ts catalogue can be found at www kueschall com Only original spare parts may be used The written authorisation of K schall AG must be obtained before installing additional adaptations on a K schall wheelchair Fastening with hexagon socket bolts Hexagon socket bolts are not designed to withstand an excessive application of force When tightening or undoing a hexagon socket bolt force should be applied to the nut wherever possible to avoid damaging the bolt Tightening and undoing E Turn the nut using a socket spanner only use an open end spanner if there is insufficient space using the Allen key simply to stop the bolt turning Tightening and undoing when no nut is present If a hexagon socket bolt is screwed directly into a thread the bolt must be tightened using the Allen key Ov Ensure that the Allen key is of good quality x and not worn c k schall 4 K schall AG Schweiz 03 2010 Service Manual Torque c k schall Ultra Light S 2 E All bolts must be tightened with the torque specified in the following instructions If no value is specified tighten with 7 Nm Checks Visual check BE Check the entire frame for cracks especially in the vicinity of joints and weld seams frame axle clamp components back Check of the bolts E Check that all bolts have been tightened with the torque specified in the instructions Several bolts are secured with adhesive If these are loosen
31. with mudguard or side rest insertable and side rest flip to back reinsert and tighten bolts 1a and 1b torque 1a 13 Nm 1b 7 Nm 4b 7 Nm c k schall 7 K schall AG Schweiz 03 2010 Service Manual Seat Seat Seat height front SHv Options for changing the SHv c k schall Ultra Light R 2 e Replace front wheel with larger or smaller one or fit it at another posi tion on the castor wheel Section Front wheels e Replace castor fork with a larger or a smaller one Section Front wheels Fitithigh low with the housing guide Hemi Section Front wheels Seat height front with respect to fork size castor fork size and position in the fork Castor fork inch SHv cm Ba LES gs as Be Ae fs Is 41 03 42 03 43 44 o4 03 45 04 03 is o5 04 03 47 05 04 03 48 49 o6 05 o or 50 o6 os 04 or a o7 o6 0o ow x o o6 os 53 54 07 06 Assumption Seat depth 40 cm seat angle 5 cm fitted high SHv 3 cm fitted low SHv 3 cm 6 and 7 front wheels cannot be used on the Ultra Light dynamic frame 80 if a 2 part angled footrest is fitted c k schall 8 K schall AG Schweiz 03 2010 Service Manual Seat Seat height rear SHh Options for changing the SHh Replace rear wheel with a larger or a smaller one Change the position of the adapter plate Section Re
32. y eeo Tool E Tighten or loosen the brake by turning the setting sleeve E Ifthe setting sleeve cannot be turned any further demount brake cable loosen clamp bolt using the screwdriver and retighten the cable c k schall 30 K schall AG Schweiz 03 2010 Service Manual Options amp accessories Options amp accessories Antitipper Fitting an antitipper Difficulty OO Too 5 10 E Secure adaptation support with bolt onto the adapter plate 13 Nm Height adjustment Difficulty OO Tool 64 5 8 El Loosen bolt and remove the upper end of the antitipper and the holder Remove the sealing cap e g push it out through the tube using the screwdriver FJ Loosen bolt of the antitipper tube and push sleeve into the correct position EI Screw bolt in half way position spring in sleeve and screw bolt completely into the tube 7 Nm EI Put all the parts of the antitipper back together in doing so pull spring apart e g using a wire hook and secure it with the top bolt 4 Nm E Set the antitipper parallel to the wheel chair and tighten the bolts Function check The antitipper should be able to swing underneath the wheelchair without any difficulty and the distance to the ground must be 4 6 cm Tip the wheelchair backwards over the antitipper until the rear wheel axis is vertically above the support point of the
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