Küschall R33 Service Manual
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Küschall R33 Service Manual

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KÜSCHALL R33
Service Manual

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Summary of Contents for Küschall R33

  • Page 1 KÜSCHALL R33 Service Manual...

  • Page 3: Table Of Contents

    Service Manual KÜSCHALL R33 TABLE OF CONTENTS GENERAL ........................4 Introduction Spare parts and adaptations Fastening with hexagon socket bolts Torque Checks Identifying and repairing faults SEAT ..........................6 Seat width (SB) Seat depth (ST) Rear seat-to-floor height (SHh) Rear seat height adjustment – Low impact system Rear seat height adjustment –...

  • Page 4: General

    Service Manual KÜSCHALL R33 GENERAL Introduction This service manual is part of the instructions and contains the tech- nical information for servicing, configuring and repairing a küschall ® wheelchair. WARNING!  Danger of accident and severe injuries. If the wheelchair is improperly set it can cause accidents and severe injuries.

  • Page 5: Torque

    Service Manual KÜSCHALL R33 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 and not worn.

  • Page 6: Seat

    Service Manual KÜSCHALL R33 SEAT SEAT Seat width (SB) Available seat widths: SB 340 to SB 440, in 20 mm steps. Once it 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 modificati- on is not described in the service manual.

  • Page 7: Rear Seat Height Adjustment - Without Low Impact System

    Service Manual KÜSCHALL R33 SEAT Difficulty: Tool: Ã5, 8 ˜˜˜ Loosen the bolts  and remove bolt .  Lift up the seat module  and remove the spring , elastomer  and distance  rings  (if fitted). Insert spring , elastomer  and distance rings  according to the required rear ...

  • Page 8: Tipping Point Adjustment

    Service Manual KÜSCHALL R33 SEAT Tipping point adjustment The tipping point of the wheelchair can be adjusted by changing the horizontal position of the seat module.  à 7 Nm à 7 Nm   à 7 Nm à 13 Nm ...

  • Page 9: Service Manual

    Service Manual KÜSCHALL R33 SEAT Seat position and tipping point Dimension x Front brace Rear brace Brace distance Seat position Bracket distance (the larger (1=frontmost, (1=frontmost, (=distance (1=rearmost, the value of (=distance 4=rearmost 5=rearmost between rear 6=frontmost x, the easier...

  • Page 10: Front Seat-To-Floor Height (Shv)

    Service Manual KÜSCHALL R33 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.

  • Page 11: Backrest

    Service Manual KÜSCHALL R33 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).

  • Page 12: Replacing The Backrest Tube

    Service Manual KÜSCHALL R33 BACKREST Replacing the backrest tube Difficulty: Tools: à 3,4 8, 10 ˜™™ Remove the backrest padding.  Slide the backrest bands upwards or downwards to gain access to  the screws . Remove the screws and nuts on both sides.

  • Page 13: Adjusting The Backrest Height

    Service Manual KÜSCHALL R33 BACKREST Adjusting the backrest angle Difficulty: Tools: à 3, ˜˜™ Fold down the backrest and release the counter nut of the  adjustment screw  and screw it in completely. Remove the screw  on the excentre plate . Remove the ...

  • Page 14: Replacing The Handle

    Service Manual KÜSCHALL R33 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.

  • Page 15: Footrests

    Service Manual KÜSCHALL R33 FOOTRESTS FOOTRESTS The footrest must be selected in accordance with the seat width. A standard 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 high- ...

  • Page 16: Fitting And Adjusting High-Mounted Footrest

    Service Manual KÜSCHALL R33 FOOTRESTS Fitting and adjusting high-mounted footrest Difficulty: Tools: à 4, 5 8, 10 ˜™™ Fit the frame bar  for the high-mounted footrest to the front  frame on both sides using the screw connections .

  • Page 17: Side Parts

    Service Manual KÜSCHALL R33 SIDES 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).
  • Page 18 Service Manual KÜSCHALL R33 SIDES Replacing the clothes-guard The mounting element  on the backrest must already be fitted. Difficulty: Tools: à 3, 4 ˜˜™ If present, remove the clothes-guard to be replaced by loosening  the screw connection .

  • Page 19: Siderests

    Service Manual KÜSCHALL R33 SIDES Siderests Fitting and adjusting a height-adjustable siderest Difficulty: Tools: à 4, 5 Ò 2 ˜˜™ Fit the holder  and the bracket  to the seat module on both  sides. Tighten the screws  only lightly.

  • Page 20: Front Wheels

    Service Manual KÜSCHALL R33 FRONT WHEELS FRONT WHEELS Replacing a front wheel à 2x3 Difficulty: Tools: ˜™™ Remove the screw  with disk on one side. Remove the wheel  axle . Remove the front wheel .  Place the sleeves  between the new front wheel  and the fork.

  • Page 21: Rear Wheels

    Service Manual KÜSCHALL R33 REAR WHEELS REAR WHEELS Control of rear wheel parallelism à 5 Difficulty: Tool: ˜˜˜ Loosen the two bolts  that clamp the centrepart  to the axle  . Rotate the axle tube to set the correct position.

  • Page 22: Rear Wheel Axle Replacement

    Service Manual KÜSCHALL R33 REAR WHEELS Rear wheel axle replacement A new axle has to be fitted if a different rear wheel camber is re- quired. Difficulty: Tool: à 5 ˜˜˜ Remove the antitipper (if fitted), Chap. Options and accessories;...

  • Page 23: Brakes

    Service Manual KÜSCHALL R33 BRAKES BRAKES Parking brakes assembly and adjustment à 5 Difficulty: Tool: ˜˜™  Following each positioning, the rear wheel parking brakes (e.g. when changing the wheel chamber) must be readjusted.  The parking brake function is only guaranteed if the tire has the corresponding air pressure.

  • Page 24: Options & Accessories

    Service Manual KÜSCHALL R33 OPTIONS & ACCESSORIES OPTIONS & ACCESSORIES Antitipper assembly and adjustment à 5 Difficulty: Tool: ˜˜˜ Remove the existing (short) pivot pin  and replace with the  longer pivot pin . (Please note that the pivot pin is secured with strong adhesive.)

  • Page 26: Küschall Ag, Switzerland | 2014-07

    Küschall AG Benkenstrasse 260 CH-4108 Witterswil kueschall@invacare.com www.kuschall.com Service Manual küschall R33 ENGLISH | 2014-07 küschall distributors ® Belgium & 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 •...

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