Service Manual General Introduction This service manual is part of the instructions and contains the technical information for servicing, configuring and repairing a Küschall® wheelchair. To guarantee the required safety and reliability, all wheelchairs must be comprehensively checked once a year. In part, assembly and adjustment require extensive experience.
Service Manual Torque All bolts must be tightened with the torque specified in the following instructions. Checks Visual check Check the entire frame for cracks, especially in the vicinity of joints and weld seams. Check of the bolts Check that all bolts have been tightened with the torque specified in the instructions.
Service Manual 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 modification is not descri- bed in the service manual.
Service Manual 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 seat ...
Service Manual Seat Tipping point adjustment The tipping point of the wheelchair can be adjusted by changing the horizon- tal position of the seat module. à 7 Nm à 7 Nm à 7 Nm à 13 Nm ...
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Service Manual Seat Seat position and tipping point Dimension x Front brace Rear brace Seat position Bracket distance Brace distance (the larger the (1=frontmost, (1=frontmost, (1=rearmost, (=distance (=distance between value of x, the 4=rearmost position 5=rearmost position 6=frontmost between brackets rear brace and front easier it is to tip of brace at seat...
Service Manual 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.
Service Manual 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 ...
Service Manual Backrest Replacing the backrest tube à 3,4 8, 10 Difficulty: Tools: 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. Remove the push handles or the telescopic tubes and remove the ...
Service Manual Backrest Adjusting the backrest angle à 3, Difficulty: Tools: 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 excentre ...
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.
Service Manual 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.
Service Manual Footrests Fitting and adjusting high-mounted footrest à 4, 5 8, 10 Difficulty: Tools: Fit the frame bar for the high-mounted footrest to the front frame on both sides using the screw connections . Fix the clamp set to both sides of the frame using the screw ...
Service Manual 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).
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Service Manual Side parts Replacing the clothes-guard The mounting element on the backrest must already be fitted. Ã 3, 4 Difficulty: Tools: If present, remove the clothes-guard to be replaced by loosening the screw connection . Check the correct position of the clothes-guard with fitted rear ...
Service Manual Side parts Siderests Fitting and adjusting a height-adjustable siderest à 4, 5 Ò 2 Difficulty: Tools: Fit the holder and the bracket to the seat module on both sides. Tighten the screws only lightly. Fit the bar ...
Service Manual Front wheels Front wheels Replacing a front wheel Difficulty: Tools: Ã 2x3 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. ...
Service Manual Rear wheels Rear wheels Control of rear wheel parallelism Difficulty: Tool: Ã 5 Loosen the two bolts that clamp the centrepart to the axle . Rotate the axle tube to set the correct position. ...
Service Manual Rear wheels Rear wheel axle replacement A new axle has to be fitted if a different rear wheel camber is required. Ã 5 Difficulty: Tool: Remove the antitipper (if fitted), Chap. Options and accessories; ‹Antitipper assembly and adjustment›. Remove the rear wheels and the axle protection rings ...
Service Manual Brakes Brakes Parking brakes assembly and adjustment Difficulty: Tool: Ã 5 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.
Service Manual Options & accessories Options & accessories Antitipper assembly and adjustment Difficulty: Tool: Ã 5 Remove the existing (short) pivot pin and replace with the longer pivot pin . (Please note that the pivot pin is secured with strong adhesive.) Loosely assemble the 2 parts of the clamp ...
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