Service Manual
Contents
1. SG To adjust the angle release the four screw connections until the footplate can be moved SE Check and or adjust the distance between the left and the right sides CG by pushing in or pulling out the tubes below the footplate in such a way A that the bearings blocks are perpendicular to the ground PJ Tilt the footplate into the desired position and tighten the screw connections The angle of the footplate must be set so that the user s feet cannot slide off the plate c k schall 16 K schall AG Schweiz 2012 11 Service Manual lt lt k schall ess Side parts Side parts Clothes guard mudguard The clothes guard fitted as standard can be replaced by a mudguard Clothes guard and mudguard are available in plastic or in carbon For the carbon mudguard there is an additional size XL for the two smallest rear seat hights SHh Clothes guard size Wheel size SHh 24 25 400 410 420 rm e et Bir e m z Tt We rt mr mr WS Mudguard size plastic Wheel size SHh 24 400 L 410 420 430 00000000 00000000 fan E32 E3s a e EJ e r gr 9 Mudguard size carbon Wheel size SHh 24 25 400 L L XL 410 420 430 440 450 460 470 480 490 00000000 00000000 ses es ES a E ir sch r ec r lt kuschall 172. A 5310 Mondsee Tel 43 6232 5535 0 Fax 43 6232 5535 A info invacare austria com Portugal Invacare Lda Rua Estrada Velha 949 P 4465 784 Le a do Balio Tel 351 0 225 1059 46 47 Fax 351 0 225 1057 39 portugal invacare com Sverige amp Suomi Invacare AR Fagerstagatan 9 S 163 91 Sp nga Tel 46 0 8 761 70 90 Fax 46 0 8 761 81 08 sweden invacare com finland invacare com Switzerland Invacare AG Benkenstrasse 260 CH 4108 Witterswil Tel 41 0 61 487 70 80 Fax 41 0 61 487 70 81 switzerland invacare com United Kingdom Invacare Limited Pencoed Technology Park Pencoed Bridgend CF35 5AQ Switchboard Tel 44 0 1656 776 200 Fax 44 0 1656 776 201 Customer services Tel 44 0 1656 776 222 Fax 44 0 1656 776 220 K schall AG Schweiz 2012 11
3. E Place the sleeves between the new front wheel and the fork EI Slide the axle through the fork sleeves and the front wheel and fix the axle using the screw Here use the new screw supplied with the wheel as this screw comes with a thread locking device Function check The wheel may not wobble but must rotate easily Replacing a front wheel fork Difficulty oer Tools X 10 HE Remove the sealing cap of the bearings block by inserting two screwdrivers into the grooves and flipping it off Remove the nut with the washer Remove the front wheel fork Check the ball bearings and replace them if necessary Insert the new front wheel fork with the washer and the nut and tighten the nut Carry out the function check see below WE Replace the sealing cap Function check Tip the wheelchair backwards by 90 so that it is lying on the backrest and the rear wheels Turn the fork upwards position A and let it tip down wards The fork has been correctly adjusted if it easily turns to beyond the bottom most point and remains there position B If the fork turns back to the lower position position C it has not been suf ficiently tightened There is a risk that the front wheels will start to wobble at high speeds cck schall 20 k schall 33 K schall AG Schweiz 2012 11 Service Manual Rear wheels Rear wheels Control of rear whe
4. Furthermore please note that very little force is required for activating and deactivating the brake If necessary a brake lever extension can be fitted lo Visual check Check that the parking brake is correctly positioned The brake is correctly adjusted if the brake shoe does not press more than 4 mm into the tire when the brake is on Function check Place the loaded wheelchair on a ramp with a 7 slope with the parking brake on The wheelchair must not move Carry out this check with the wheelchair both facing down the ramp and facing up the ramp cck schall 23 k schall 33 K schall AG Schweiz 2012 11 Service Manual Options amp accessories Options amp accessories Antitipper assembly and adjustment Difficulty Tool 5 il Remove the existing short pivot pin and replace with the longer pivot pin Please note that the pivot pin is secured with strong adhesive BI Loosely assemble the 2 parts of the clamp onto the axle with the bolts u Slide the clamp as close as possible to the centerpart and onto the pivot pin The pivot pin must be fully engaged in the clamp to prevent the L i antitipper from turning on the axle E Tighten the bolts E Slide the antitipper onto the clamp and secure with the QuickPin Adjusting the height of the antitipper PJ The height of the antitipper can be adjusted by pressing the spring pin an
5. O gt 7 Nm gt 7 Nm gt 7 Nm gt 13 Nm Making it easier to tip the wheelchair Difficulty Tool 4 5 SG Loosen bolts BE Remove bolts 4 bolts that connect the rear brace and the seat module BE Move the rear brace forward and use the bolts to secure it in the required position SG Remove bolts 4 bolts that connect the front brace and the seat module BE Move the front brace forward and use the bolts to secure it in the required position E Retighten the bolts Making it more difficult to tip the wheelchair Difficulty Tool 4 5 SG Loosen bolts BE Remove bolts 4 bolts that connect the front brace and the seat module Move the front brace backwards and use the bolts to secure it in the required position BE Remove bolts 4 bolts that connect the rear brace and the seat module BE Move the rear brace backwards and use the bolts to secure it in the required position E Retighten the bolts Additional positions can be set by turning the front brace In this case the fastening elements must be moved d When tightening the fastening elements it must be ensured that the slots in the fastening elements are parallel to one another and that the distance of both fastening elements from the centre part is identical lt kuschall 8 K schall AG Schweiz 2012 11
6. BE Move the handle into the correct position grooves facing upwards If a long handle has been fitted and this is to be replaced with a short one the push handle tube must be shortened by 35 mm The push handle tube must be replaced when switching from a short to a long handle lo Replacing foldable push handles Difficulty OO Tools 4 BE Remove the old foldable push handle and the old threaded sleeve u Slide the new threaded sleeve onto the telescopic tube N For safety reasons it is important that a new threaded sleeve is used and that the old sleeve is not left in and reused for the telescopic tube u Slide the new foldable push handle onto the telescopic tube WE Fix the foldable push handle with the screw O The telescopic tube must be replaced if a foldable push handle has il not been fitted and a foldable push handle is to be newly fitted cck schall 14 K schall AG Schweiz 2012 11 Service Manual lt lt k schall R33 Footrests Footrests The footrest must be selected in accordance with the seat width A stan dard footrest and an angle adjustable footrest are available Furthermore there is the possibility of a high mounted footrest Lower leg length UL To change the lower leg length the footrest can be fixed at a higher or lower position gt Table Chap Frame The shortest lower leg lengths can be achieved using the high mounted footrest gt
7. To achieve the desired front seat height there are three frames of different heights available long medium short Seat angle SW The seat angle is determined by the difference between the rear seat height SHh and the front seat height SHv lt kuschall 10 K schall AG Schweiz 2012 11 Service Manual lt lt k schall ess Backrest Backrest The adjustable back is fitted with velcro bands and a cover Apart from the adjustable back there is the light cover which is produced individually for each backrest height RH and seat width SB Backrest height RH to cover backrest tube pushhandles and bands standard pushhandles baresi foldable pushhandles tube pushhandle telescopic tube straight bands above stabilizing bar 1 band 1 band 1 band 1 band 2 bands 2 bands 2 bands 2 bands 1 band 2 bands 1 band 2 bands 1 band 2 bands 1 band 4 bands 4 bands 4 bands oO Wi wl wi win N AIU J DO N LI OI lIOO In oOo gt ID w WwW O UM Ill Ch LI IO Int oO LI w N oO In 10 cm backrestband 2 parts Backrest height RH to pushhandles telescopic tubes and bands without pushhandles bands above top telescopic tube stabilizing bar band bended S S S A 1 band strap is placed beneath the stabilizing bar if there is a clothes guard and a 2 bands strap ifthere is amudguard
8. 0 75 62 7 00 0 Fax 49 0 75 62 7 00 66 kontakt invacare com Deutschland Ulrich Alber GmbH Vor dem Weissen Stein 21 D 72461 Albstadt Tailfingen Tel 49 0 74 32 2006 0 Fax 49 0 74 32 2006 299 info ulrich alber de European Distributor Organisation Invacare Kleiststra e 49 D 32457 Porta Westfalica Tel 49 0 57 31 754 540 Fax 49 0 57 31 754 541 edo invacare com Espana Invacare SA c Areny s n Pol gon Industrial de Celr e E 17460 Celr Girona Tel 34 0 972 49 32 00 Fax 34 0 972 49 32 20 contactsp invacare com France Invacare Poirier SAS Route de St Roch 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 Seatown Road Swords County Dublin Ireland Tel 353 1 810 7084 Fax 353 1 810 7085 e ireland invacare com Italia Invacare Mecc San s r l e Via dei Pini 62 1 36016 Thiene VI Tel 39 0445 38 00 59 Fax 39 0445 38 00 34 italia invacare com Nederland Invacare BV Celsiusstraat 46 e NL 6716 BZ Ede Tel 31 0 318 695 757 Fax 31 0 318 695 758 nederland invacare com csede invacare com Norge Invacare AS Grensesvingen 9 Postboks 6230 Etterstad N 0603 Oslo Tel 47 0 22 57 95 00 Fax 47 0 22 57 95 01 e norway invacare com island invacare com sterreich Invacare Austria GmbH Herzog Odilostrasse 101
9. Fitting and adjusting high mounted footrest Replacing footrests Difficulty OO Tools 4 8 EB Remove the screw connections on both sides BE Remove the footrest and replace it with a new one E Tighten the screw connections on both sides E Carry out the same setting on both sides O gt 4Nm Adjusting the footrest height Difficulty 00 Tools 4 8 The height of the footrest can be adjusted in 10 mm steps EB Remove the screw connections on both sides u Slide the footplate to the desired height E Tighten the screw connections on both sides E Carry out the same setting on both sides O Ifthe desired lower leg length cannot be achieved a high mounted il footrest must be used gt Fitting and adjusting a high mounted footrest lt k schall 15 K schall AG Schweiz 2012 11 Service Manual lt lt k schall R33 Footrests Fitting and adjusting high mounted footrest Difficulty OO Tools 4 5 8 10 K Fit the frame bar for the high mounted footrest to the front frame on both sides using the screw connections Pl Fix the clamp set to both sides of the frame using the screw connection Only tighten lightly E Slide the high mounted footplate into the clamp set and to the desired height E Tighten the screw connections on both sides Angle adjustable footplate adjusting the angle Difficulty OO Tools 4 _ 10
10. K schall AG Schweiz 2012 11 Service Manual k schall Ar33 Side parts Replacing the clothes guard The mounting element on the backrest must already be fitted Difficulty oer Tools 3 4 il If present remove the clothes guard to be replaced by loosening the screw connection BE Check the correct position of the clothes guard with fitted rear wheel Here find the suitable height on the clothes guard for fixing the screw connection to the backrest mount rl If necessary the holder on the seat module can be replaced Here remove the screw O The clothes guard is correctly positioned if it can be inserted between i the seat module and the holder and the upper edge runs above the rear wheel Fitting the mudguard Difficulty O Tools 3 4 10 2 Remove the clothes guard and the mounting elements on the backrest and the seat il Fit the holder to the seat module using the screw connections and then refit the rear wheel PJ Slightly loosen the screws on the adjustment plate and slide it along the mudguard carrier until the mudguard is at the right height BE The position of the mudguard can also be adjusted Here loosen the screw connections and position the mudguard as required and tighten the screw connections and again E Tighten the screws again E Carry out the same setting on both sides E By tightening or loosening the screws you can adj
11. Si endband 10 cm lt kuschall 11 K schall AG Schweiz 2012 11 Service Manual Backrest Replacing the backrest tube Difficulty OO Tools 3 4 _ 8 10 i Remove the backrest padding u Slide the backrest bands upwards or downwards to gain access to the screws Remove the screws and nuts on both sides BE Remove the push handles or the telescopic tubes and remove the upper Velcro bands BE Remove the screws on the backrest joint P Remove the lower Velcro bands and the sleeve with the adjustment screw from the backrest tube and fit both to the new backrest tube E Fit the backrest tube to the backrest joint with the screws Here first fit the lower screw followed by the upper screw E Fit the upper Velcro bands and the push handles or the telescopic tubes again and fix them with screws and nuts E Carry out the same setting on both sides E Refit the backrest padding The excentre plates must be adjusted identically on both sides of the wheelchair gt Adjusting the backrest angle Check Check the settings of the adjustment screws on both sides The screw head must only lightly touch the seat module when the backrest is in the upright position If necessary readjust the length by releasing the counter nut and tightening or loosening the adjustment screw Then retighten the counter nut Incorrectly adjusted adjustment screws result in damage to th
12. Service Manual lt lt k schall R33 Seat Seat position and tipping point Dimension x Front brace Rear brace Seat position Bracket distance Brace distance 1 rearmost Ve 1 O SOS a SOOS distance distance between value of x the 4 rearmost position 5 rearmost position 6 frontmost paren i between brackets rear brace and front E EE easier it is to tip of brace at seat of brace at seat erento Brace p the wheelchair module module 1 154 1 1 small 190 2 131 2 2 small 190 3 108 3 3 small 190 4 85 4 4 small 190 3 108 1 3 large 236 4 85 2 4 large 236 5 62 3 5 large 236 6 39 4 5 large 213 lt k schall 9 K schall AG Schweiz 2012 11 Service Manual k schall A 33 Seat Front seat to floor height SHv The front seat height is variable between SHv 460 and SHv 510 10 mm The front seat height is dependent on several factors that interact with each other In addition to the size of the rear wheels the frame seat depth and rear seat height influence the seat height The following combinations of front and rear wheels are possible 10 U 000 Front and rear wheel combination Front wheel 04 Rear wheel Frame 75 C A D B O Only choose wheel and axle combinations specified in the table to il ensure that the frame is straight and the axis of the front wheel fork is perpendicular to the ground
13. ackrest is strained Upon pulling the release cord the pin must be easily removed on both sides and must fully glide back in upon letting go of the release cord Adjusting the backrest height Readjusting the push handle telescopic tube Difficulty OO Tools 3 8 EB Remove the backrest padding CG Remove the screw connection and adjust the desired height of the push handle or the telescopic tube Insert the screw connection again and tighten the nut E Carry out the same setting on both sides E Refit the backrest padding O Ifthe desired height cannot be achieved you must use a different il telescopic tube or push handle cck schall 13 gt 7Nm K schall AG Schweiz 2012 11 Service Manual Backrest Replacing the handle An adhesive e g hair spray is used in these instructions When applied to the handle this substance works as a lubricant and as an adhesive once dry After drying the adhesive used must be able to resist a pull off force of 750 N If in doubt contact K schall AG Difficulty O BE Remove the old handle BE Remove any residue residual adhesive grease dust from the push handle tube EB Apply athin layer of hair spray all over the surface of the push handle tube onto which the handle is to be slid EB Apply a thin layer of hair spray to the inside of the handle u Slide the new handle onto the push handle tube
14. ance rings according to the required rear seat height gt Table Rear seat to floor height by rear wheel size SHh EB Turn the clamp on the seat module against the spring unit until all parts fit together E Fasten the spring unit with the bolt with adhesive Make certain to use the correct bolt length gt Table Rear seat to floor height by rear wheel size SHh E Tighten the bolts Rear seat height adjustment without Low impact system O0 gt 7 Nm Difficulty Tool 5 8 i Loosen the bolts and remove bolt and rings if fitted PJ Lift up the seat module and remove the seat to frame connection and the distance rings if fitted E Insert seat to frame connection with or without the distance rings according to the requested rear seat height gt Table Rear seat to floor height by rear wheel size SHh EB Turn the clamp on the seat module against the seat to frame connection until all parts fit together Fasten the seat to frame connection with the bolt with adhesive Slide 1 or 2 rings onto the bolt if necessary gt Table Rear seat to floor height by rear wheel size SHh E Tighten the bolts lt kuschall 7 K schall AG Schweiz 2012 11 Service Manual k schall A 33 Seat Tipping point adjustment The tipping point of the wheelchair can be adjusted by changing the horizon tal position of the seat module
15. cck schall designed for life lt lt k schall s Ce Service Manual Service Manual Inhaltsverzeichnis GE ae ae en Dane ae na a ae seen Eee ren Introduction Spare parts and adaptations Fastening with hexagon socket bolts Torque Checks Identifying and repairing faults Seat width SB Seat depth ST Rear seat to floor height SHh Rear seat height adjustment Low impact system Rear seat height adjustment without Low impact system Tipping point adjustment Front seat to floor height SHv Seat angle SW ICH de EEN Replacing the backrest tube Backrest angle RW Adjusting the backrest height Replacing the handle Replacing foldable push handles FO8trests a aa aaa Adia Lower leg length UL Replacing footrests Adjusting the footrest height Fitting and adjusting high mounted footrest Angle adjustable footplate adjusting the angle SIGS Dal E Clothes guard mudguard Siderests Front WHGGIS 5s ic csssidecssssvecvensseo0sssiececesveseinsdessssevesvivesosencieesunscasenncswesnscveses Replacing a front wheel Replacing a front wheel fork Rearwbeelgr ene Reeg neet geiergert EE Control of rear wheel parallelism Rear wheel axle replacement elt Parking brakes assembly and adjustment Options amp accessories ege Antitipper assembly and adjustment Fitting the pelvic belt cck schall k schall 33 K schall AG Schweiz 2012 11 Service Manual Genera
16. d sliding the inner part of the antitipper to the required position until the spring pin locates in the correct hole Function check The distance between the antitipper and the ground must be 40 60 mm It must be easy to fold up the antitipper Tip the wheelchair backwards using the antitipper until the axle is perpen dicular to the antitipper s point of contact with the ground In this position the distance between the rear wheel and the ground must be at least 50mm X xX 50 mm Fitting the pelvic belt Difficulty 00 Tools 10mm 1 Remove cap nut and washer 2 Attach the steel strap to the backrest joint screw using the sup plied new cap nut and washer N Ensure that the webbing of the pelvic belt is not twisted during assembly and the locking mechanism shows towards the front O gt 7 Nm lt k schall 24 K schall AG Schweiz 2012 11 cck schall K schall AG Benkenstrasse 260 CH 4108 Witterswil kueschall invacare com www kueschall com Service Manual R33 ENGLISH 2012 11 kuschall distributors Belgium amp Luxemburg Invacare nv Autobaan 22 B 8210 Loppem Tel 32 0 50 83 10 10 Fax 32 0 50 83 10 11 belgium invacare com Danmark Invacare A S Sdr Ringvej 37 DK 2605 Br ndby Tel 45 0 36 90 00 00 Fax 45 0 36 90 00 01 denmark invacare com Deutschland Invacare GmbH Alemannenstra e 10 D 88316 Isny Tel 49
17. e backrest joint s mechanism gt Adjusting the backrest joint Backrest angle RW The angle of the backrest can be changed by repositioning the excentre plate in the backrest joint plate The following angles measured from the seat can be set k schall 33 cck schall 12 K schall AG Schweiz 2012 11 Service Manual Backrest Adjusting the backrest angle Difficulty O Tools 97 eat 10 K Fold down the backrest and release the counter nut of the adjustment screw and screw it in completely P Remove the screw on the excentre plate Remove the excentre plate and reinsert it in the desired position The excentre plates must be set identically on both sides of the wheelchair E Reinsert the screw and tighten it SG Fold the backrest up until the stop bolts engage and unscrew the adjustment screw until it touches the frame and the backrest joint no longer moves E Tighten the counter nut Adjusting the backrest joint Difficulty 0O Tools eat 10 BE Put the backrest up and let the pin engage Press the backrest forwards to ensure the joint cannot move E Unscrew the screw until it touches the spigot of the seat frame E Screw the screw back in by between a 1 4 and a turn and counter with the counter nut E Correctly adjust the backrest joint on both sides Function check Sit in the wheelchair and lean back so that the b
18. el parallelism Difficulty Tool 5 EI Loosen the two bolts that clamp the centrepart to the axle EI Rotate the axle tube to set the correct position E Tighten the two centrepart bolts then replace the axle protection rings if fitted O This adjustment must be carried out on a perfectly horizontal il surface The track of the rear wheel is correct if measured at height of hub the distance between the rear wheels is the same at the front and back x y cck schall 21 K schall AG Schweiz 2012 11 Service Manual Rear wheels Rear wheel axle replacement A new axle has to be fitted if a different rear wheel camber is required Difficulty Tool 5 BE Remove the antitipper if fitted gt Chap Options and accessories lt Antitipper assembly and adjustment BE Remove the rear wheels and the axle protection rings if fitted CG Remove the two bolts that clamp the centrepart to the axle BE Remove the axle by sliding it out of the centrepart O It may be necessary to gently prise the centrepart apart slightly with il a boltdriver to remove or replace the axle without scratching it This must be done very carefully to prevent cracking the coating of the centrepart u Slide the new axle into the centrepart The centrepart must be approximately in the middle of the axle BI Loosely replace the two bolts then replace the rear whee
19. has been set the seat width cannot be modified easily It requires replacing the seat module possibly the centerpart the backrest axle and possibly the footrest This modification is not descri bed in the service manual Seat depth ST Available seat depths ST 375 to ST 475 in 25 mm steps Adjusting the seat depth requires replacing the entire seat module including seat upholstery and rail as well as the seat cushion Rear seat to floor height SHh Available rear seat heights SHh 400 to SHh 490 in 10 mm steps To adjust the rear seat height it is necessary to change the rear suspension configuration of the spring or fixed connection piece and distance rings gt Chap Seat Rear seat height adjustment with without Low Impact System The following configurations are possible Rear seat to floor height by rear wheel size with lt low impact without dow impact system system SHh 24 wheel 25 wheel 24 wheel 25 wheel 7 2 4 4 XL3 6 m sjaj 0 0 0 0 0 0 0 0 X Ss gt D gt 7Nm d K V I SCH p c k schall 6 K schall AG Schweiz 2012 11 Service Manual k schall A 33 Seat Difficulty Tool 5 8 EI Loosen the bolts and remove bolt PJ Lift up the seat module and remove the spring elastomer and distance rings if fitted E Insert spring elastomer and dist
20. l Introduction This service manual is part of the instructions and contains the technical information for servicing configuring and repairing a K schall wheelchair N WARNING Danger of accident and severe injuries If the wheelchair is improperly set it can cause accidents and severe injuries gt Changes to the wheelchair may only be carried out by the dealer To guarantee the required safety and reliability all wheelchairs must be comprehensively checked once a year In part assembly and adjustment require extensive experience For this reason the following assembly instructions have been split into three categories Easy technical understanding required Medium technical knowledge required Difficult technical knowledge and expertise in assembling wheelchairs required The required tools and their respective sizes are listed above each instruc tion The instructions include information on the torques with which the respective screw connections must be tightened Adhering to the given torques requires the use of a torque spanner Allen key 3 4 5 8 Phillips screwdriver Open end spanner C 8 10 11 19 Socket spanner Box spanner 8 10 Spare parts and adaptations All spare parts may be obtained from the K schall customer service de partment An electronic spare parts catalogue can be found at www kueschall com Only original spare parts may be used The written auth
21. ls EB Check that the axle is exactly in the middle by measuring the distance from the inside of the wheel to the edge of the seat module distance A Both sides must have the same measurement If adjustment is necessary slide the axle to the appropriate side SG Check that the rear wheel parallelism is correct by referring to control of rear wheel parallelism gt Chap Rear wheels Control of rear wheel parallelism BI Tighten the two centrepart bolts SG Replace the axle protection rings if fitted O The bore of the axle protection ring is slightly larger at one end to make it easier to fit it to the end of the axle BE Replace the antitipper if fitted cck schall 22 gt 7Nm K schall AG Schweiz 2012 11 Service Manual Brakes Brakes Parking brakes assembly and adjustment Difficulty oe Tool 5 Following each positioning the rear wheel parking brakes e g when changing the wheel chamber must be readjusted N The parking brake function is only guaranteed if the tire has the corresponding air pressure E Ensure sufficient air is in the tyres EI Loosen the hexagon socket bolts holding the brake assembly to the frame clamp u Slide the brake assembly to the required position and tighten the hexagon socket bolts O When the brake is on the brake shoe must press approx 4mm i into the tire
22. orisation of K schall AG must be obtained before installing additional gt adaptations on a K schall wheelchair me LQ we Fastening with hexagon socket bolts Hexagon socket bolts are not designed to withstand an excessive applica tion of force When tightening or undoing a hexagon socket bolt force must 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 lt kuschall 4 K schall AG Schweiz 2012 11 Service Manual lt lt k schall Rss 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 Ensure that the Allen key is of good quality vy il and not worn x Torque u All bolts must be tightened with the torque specified in the following instructions Checks Visual check EB Check the entire frame for cracks especially the areas around joints and welded seams Checking the screw connections EB Check all bolts with the torques specified in the instructions regularly and adjust if required CAUTION Several screw connections have been secured with safety seals If these are opened they must be secured again using new safety seals High power and low power adhesives are available For torque entries n
23. otice shall be made whether an adhesive and which adhesive needs to be used Identifying and repairing faults Possible cause Action Incorrect tyre pressure on one rear wheel The wheelchair does not One or more spokes broken Replace broken spoke s travel in a straight line Spokes tightened unevenly Tighten loose spokes Front wheel bearings are dirty or damaged The wheelchair tips too Backrest angle too large Reduce backrest angle easily Wrong seat position Change seat position oo Incorrect tyre pressure in one or both The brakes are gripping rear tyres oorly or asymmetricall EN d S Brake setting incorrect Correct brake setting Tyre pressure in rear tyres is too low Correct tyre pressure Rear wheels are not parallel Make rear wheels parallel The rolling resistance is very j Front wheel axles are restrained by dirt high GEN y Clean front wheel axles Bearings are dirty or faulty Replace the bearings Too little tension on the clevis pin Tighten the nut on the castor fork The front wheels wobble housing slightly when moving fast 3 Front wheel is worn flat Replace front wheel oa wheel is stiff or Bearings are dirty or faulty Replace the bearings Correct tyre pressure Clean or replace the bearings Correct tyre pressure lt k schall 5 K schall AG Schweiz 2012 11 Service Manual k schall 33 Seat Seat Seat width SB Available seat widths SB 340 to SB 440 in 20 mm steps Once it
24. ust how easily the armrest can be pulled out or pushed in The existing axle may not be sufficiently long for the new configuration with mudguard In this case a longer axle must be fitted gt Changing the wheel chamber fitting and adjusting an axle lo The distance between the mudguard and the wheel must be gt 25 mm in loaded condition to prevent fingers from becoming caught between the wheel and the mudguard 4 gt 7Nm lt kuschall 18 K schall AG Schweiz 2012 11 Service Manual Side parts Siderests Fitting and adjusting a height adjustable siderest Difficulty O Tools 4 5 2 Sp Fitthe holder and the bracket to the seat module on both sides Tighten the screws only lightly E Fit the bar between the two brackets using the screws Tighten the screws PJ To adjust the armrest height insert the armrest into the holder BI Loosen the screws for the height adjustment and slide it into the desired position E Then retighten the screws for the height adjustment E By tightening or loosening the screws you can adjust how easily the armrest can be pulled out or pushed in lt kuschall 19 K schall AG Schweiz 2012 11 Service Manual Front wheels Front wheels Replacing a front wheel Difficulty OO Tools 2x3 SE Remove the screw with disk on one side Remove the wheel axle PA Remove the front wheel
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