Service Manual KÜSCHALL ULTRA-LIGHT TABLE OF CONTENTS GENERAL ........................4 Introduction Spare parts and adaptations Fastening with hexagon socket bolts Torque Checks Identifying and repairing faults FRAME ..........................6 Rear frame Front frame Retaining lever SEAT ..........................8 Seat height front (SHv)
All spare parts may be obtained from the küschall customer service ® department. An electronic spare parts catalogue can be found at www.kuschall.com. Only original spare parts may be used. The written authorisation of Küschall AG must be obtained before installing additional adaptations on a küschall ®...
Service Manual KÜSCHALL ULTRA-LIGHT 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.
Service Manual KÜSCHALL ULTRA-LIGHT FRAME FRAME Rear frame à 13 Nm à Retaining lever à 4 Nm Cross Front frame à 13 Nm à à Upper connecting tube Lower connecting tube ...
Service Manual KÜSCHALL ULTRA-LIGHT FRAME Rear frame Replacing the rear frame Difficulty: Tool: Ã 5 Remove backrest. Loosen and remove bolts and Pull out rear frame to the back. Push the rear frame onto the upper and lower connecting ...
Service Manual KÜSCHALL ULTRA-LIGHT 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 Chap. Rear wheels, Adjusting the seat height rear.
Page 10
Service Manual KÜSCHALL ULTRA-LIGHT SEAT Replacing the seat cover ß 10 Difficulty: Tool: Loosen bolts and remove plug . Remove seat cover including plastic rods. Position new seat cover. Adjust seat cover to width SB + 25 mm.
Service Manual KÜSCHALL ULTRA-LIGHT BACKREST BACKREST Backrest height The backrest height can be changed by fitting the telescopic tubes into another position in the backrest tubes. If this setting option is insufficient, the telescopic tubes can be replaced. Adjusting the height of standard backrests...
Service Manual KÜSCHALL ULTRA-LIGHT BACKREST Adjustable-angle backrest In order to make the backrest angle adjustable, an adjustable-angle backrest can be fitted. Backrest angle Deviation Angle between Position from standard backrest and backrests seat 12° 102° 8° 98° 4° 94° 0°...
Page 13
Service Manual KÜSCHALL ULTRA-LIGHT BACKREST Setting the backrest angle à 5 Difficulty: Tool: Remove the backrest cushion and push the Velcro bands ® upwards, until the backrest joint is invisible. Remove the bolt . Set the desired backrest angle, insert the bolts in the nearest hole and tighten.
Service Manual KÜSCHALL ULTRA-LIGHT 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 replaced.
Page 15
Service Manual KÜSCHALL ULTRA-LIGHT BACKREST Fitting height adjustable, rear set push handles Ò Ã 3, 4, 5 8, 10 Difficulty: Tools: The Velcro ® bands may have to be replaced with narrower ones, as space is required to secure the holder on the telescopic tube.
Service Manual KÜSCHALL ULTRA-LIGHT BACKREST Replacing foldable push handles Difficulty: Tools: Hole punch pliers 6 mm, Ã 3, 4 Remove the old foldable push handle. Pull down the backrest cover G on the telescopic tube, until its ...
Page 17
Service Manual KÜSCHALL ULTRA-LIGHT BACKREST Backrest with adjustable backs with respect to push handles Height- Standard Folding adjustable Velcro push push integrated push bands handles handles handles Backrest height (RH) [mm] ...
Page 18
Service Manual KÜSCHALL ULTRA-LIGHT BACKREST Foldable angle-adjustable backrest with respect to push handles Height- Standard Folding adjustable Velcro push push integrated push bands handles handles handles Backrest height (RH) [mm] Assumption: No stabilising bar fitted * For RH 375 with height-adjustable integrated push handles: =S und =2B+4B...
Service Manual KÜSCHALL ULTRA-LIGHT FOOTRESTS FOOTRESTS One-piece and two-piece footrests are available. One-piece footrest Replacing the footplate à 4 Difficulty: Tool: Loosen bolts on both sides. Remove footplate and replace with a new one. Re-insert bolts and ...
Page 20
Service Manual KÜSCHALL ULTRA-LIGHT FOOTRESTS Centring and adjusting the angle à 4 Difficulty: Tool: Loosen bolts and slightly. Set the same distance from the side tube to the footplate on both sides. Set the required footplate incline.
Service Manual KÜSCHALL ULTRA-LIGHT FOOTRESTS Two-piece footrest Difficulty: Tool: Ã 4 Disassembling/fitting footrests Remove bolts on both sides. Pull out footrests. Push the new footplates into the frame and at the required height. Insert bolts into the nearest hole on both sides and at the à...
Service Manual KÜSCHALL ULTRA-LIGHT SIDE PARTS SIDEPARTS Clothes guard/mudguard Fitting the clothes guard/mudguard à 4 Nm Difficulty: Tool: Ã 3 Fit side fastenings onto the frame. Fit clothes guard/mudguard with bolts and nuts onto the side fastenings.
Service Manual KÜSCHALL ULTRA-LIGHT SIDE PARTS 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 à 3, 4, 5 Difficulty: Tool: Fit the side fastening element with bolt ...
Page 24
Service Manual KÜSCHALL ULTRA-LIGHT SIDE PARTS Fitting side rest insertable, continuously height-adjustable à 4, 5 Difficulty: Tool Fit the side fastening element with bolts and . Insert side rest into the fastening element. Adjust height by adjusting the clamp component.
Page 25
Service Manual KÜSCHALL ULTRA-LIGHT SIDE PARTS 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. For the removable carbon mudguard there is an additional size (XL) for the two smallest rear seat hights (SHh).
Page 26
Service Manual KÜSCHALL ULTRA-LIGHT SIDE PARTS Mudguard mounted fix: Mudguard (mounted fix) with respect to the position of the rear wheels with standard adapter plate (Pos. 1 to 4) Rear wheel 22’’ Rear wheel 24’’ Rear wheel 25’’ Rear wheel 26’’...
Service Manual KÜSCHALL ULTRA-LIGHT FRONT WHEELS FRONT WHEELS Replacing the front wheel Difficulty: Tool: Ã 3 Remove bolts , pull out wheel axle . Remove front wheel and replace with a new one or move to a new position.
Service Manual KÜSCHALL ULTRA-LIGHT FRONT WHEELS Setting the steering error angle Difficulty: Tool: Ã5 Loosen bolts and nuts . Hold spirit level against the clevis pin housing . Turn the bolt until the clevis pin housing is vertical.
Service Manual KÜSCHALL ULTRA-LIGHT REAR WHEELS REAR WHEELS Adjusting the seat height rear à 5 10, 19, 22 Difficulty: Tool: Loosen the bolt of the adapter sleeve and bolts . Remove bolts and move the adapter plate into the required ...
Service Manual KÜSCHALL ULTRA-LIGHT REAR WHEELS Wheel camber A wheel camber of either 1° or 3° is possible. Changing the wheel camber 1° 19, 22 Difficulty: Tool: The wheel camber is changed by replacing the adapter sleeve: Remove adapter sleeves or on both sides.
Service Manual KÜSCHALL ULTRA-LIGHT REAR WHEELS Fitting the hub brake Remove the adapter plate . Remove the adapter sleeve from the adapter plate. Fitting the locking ring Difficulty: Tool: Drill press, drill Ø 4, 19, 22 ...
Service Manual KÜSCHALL ULTRA-LIGHT REAR WHEELS Adjusting the removable axle Difficulty: Tools: 11, 19 Remove the rear wheel. Hold the end of the removable axle using the straddle spanner. Adjust the length L of the removable axle by turning the nut ...
Service Manual KÜSCHALL ULTRA-LIGHT BRAKES BRAKES Parking brakes Fitting/adjusting the parking brake Difficulty: Tool: Ã 5 CAUTION! The parking brakes must be adjusted whenever the rear wheels are replaced. Check the air pressure in the rear wheels. ...
Service Manual KÜSCHALL ULTRA-LIGHT BRAKES Drum brake Fitting the drum brake 10, 22 Difficulty: Tool: Ã 4, Ò Remove standard adapter plate and replace with adapter plate for drum brake, Chap. Rear wheels, Fitting the adapter plate for the drum brake.
Service Manual KÜSCHALL ULTRA-LIGHT OPTIONS & ACCESSORIES Tipper aid Fitting the tipper aid Difficulty: Tool: Ã 5 Secure adaptation support with bolt onto adapter plate . Push in spring clip and push the tipper aid into the adaptation support.
Service Manual KÜSCHALL ULTRA-LIGHT OPTIONS & ACCESSORIES Transit wheels Fitting transit wheels Difficulty: Tool: Ã 5, Secure adaptation support with bolts onto adapter plate . Push in spring clip and push the transit wheel into the adaptation support.
Need help?
Do you have a question about the Ultra-Light and is the answer not in the manual?
Questions and answers