Küschall K-SERIES, Service Manual

Page 1: ...Küschall K Series en Active wheelchair Service Manual PROVIDER Keep this manual The procedures in this manual MUST be performed by a qualified technician ...

Page 2: ...cation duplication or modification in whole or in part is prohibited without prior written permission from Invacare Trademarks are identified by and All trademarks are owned by or licensed to Invacare Corporation or its subsidiaries unless otherwise noted ...

Page 3: ...otrests 23 6 4 1 Replacing the footrest 23 6 4 2 Adjusting the footrest height 23 6 4 3 Installing replacing the foot plate 24 6 4 4 Replacing the angle adjustable footrest 24 6 4 5 Replacing the high mounted footrest 24 6 4 6 Installing the flip up footrest 26 6 5 Sideparts 27 6 5 1 Clothes guard Mudguard 27 6 5 2 Installing the tubular armrest 31 6 5 3 Installing adjusting the siderest 31 6 6 Ca...

Page 4: ...about the product for example product safety notices and product recalls contact your Invacare representative See addresses at the end of this document 1 2 Symbols in This Manual Symbols and signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage See the information below for definitions of the signal words WARNING Indi...

Page 5: ...parts are only available as a kit Always use the complete new kit when replacing a part Spare parts can be ordered from Invacare Refer to your local Invacare website to access the electronic spare parts catalogue ESPC IMPORTANT Refer to the user manual of this product for information on Technical data Product components Labels Additional safety instructions The information contained in this docume...

Page 6: ... with the torque specified in the following instructions Liquid high strength and low strength adhesives are available After the torque specifications the adhesive to be used high strength or low strength is indicated in brackets 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 ...

Page 7: ...est angle BA 74 78 82 86 90 94 C Lower leg length LLL 290 480 mm in increments of 10 mm D Front seat to floor height FSTF 450 520 mm in increments of 10 mm E Rear seat to floor height RSTF 390 490 mm in increments of 10 mm F Backrest height BH 270 480 mm in increments of 15 mm G Total length TL 75 frame angle approx 830 mm 90 frame angle approx 760 mm H Seat width SW 320 500 mm in increments of 20...

Page 8: ...s J L Is the product technically and functionally safe Has the product been cleaned and disinfected Is the identification label easily readable and is it securely mounted on the product Is the product accompanied by the latest revision of the user manual 4 2 Spare parts WARNING Original spare parts must be used in all repairs Otherwise the warranty and product declaration of conformity shall be re...

Page 9: ... soft wax can be used on painted metal surfaces to remove abrasions and restore gloss Cleaning upholstery For cleaning upholstery refer to the instructions on the labels of the seat cushion and backrest cover 5 2 Disinfection Information on recommended disinfectants and methods can be found on https vah online de en for users 1 Wipe down all generally accessible surfaces with a soft cloth and ordi...

Page 10: ...age 14 Seat angle too large Install a smaller castor fork see 6 6 2 Replacing the castor fork page 33 Incorrect tyre pressure in one or both rear tyres Correct tyre pressure see user manual The parking brakes are gripping poorly or asymmetrically Brake setting incorrect Correct brake setting see 6 8 2 Adjusting the parking brake page 38 Incorrect tyre pressure in one or both rear wheels Correct ty...

Page 11: ...Instructions 6 Instructions 1659339 A 11 ...

Page 12: ...STF 1702 to FSTF 40 350 to 450 90 50 mm 500 to 520 FSTF 1302 to FSTF 40 FSTF 1702 to FSTF 40 425 to 525 75 tapered 480 to 500 FSTF 1102 to FSTF 30 FSTF 1502 to FSTF 30 350 to 450 90 tapered 480 to 500 FSTF 1302 to FSTF 40 FSTF 1702 to FSTF 40 350 to 450 1 Measured with a 24 rear wheel Using a 25 rear wheel the FSTF is 10 mm greater in each case Using a 26 rear wheel the FSTF is 20 mm greater in ea...

Page 13: ...eat brace C to the seat module or the frame on both sides 3 Remove the screw E and place it in the bracket s D other hole If you require a new bracket remove the screws E F and H replace the bracket D and fix it to the seat module and cross brace G using the screws E F and H 4 Reinstall the rear wheels fold up the backrest and check the position of the seat braces C 5 Tighten the screw connections...

Page 14: ...the desired seat height using the existing seat brace B loosen the screw C and remove screw and washer D and the connecting bar E 4 If you require a new seat brace remove the existing one and the connecting bar E and loosely fix the new seat brace with spacer F washer and nut to the frame using screw C 5 Slide the seat brace against the rear bracket G so that the required holes overlap 6 Insert th...

Page 15: ...and tighten The round nut J is positioned in the frame tube with a grub screw which presses against the inner wall of the tube To reposition the round nut loosen the grub screw using an Allen key through the frame hole and the thread of the round nut 4 Insert bolts A B and E and tighten 5 Carry out the same setting on both sides There are 5 possible positions for the rear bracket and 5 possible po...

Page 16: ...en firmly with spacer and nut Function check It must be possible to rotate the suspension housing D but it must not be loose 5 Insert the suspension seat strut F from above into the suspension housing D Slide the sleeve G from below over the suspension seat strut and position it at the required seat height Secure with screw and washer H Carry out the same setting on both sides 6 Lubricate the spri...

Page 17: ...andles A Foldable push handles telescopic tube straight B BH mm Cover size Backrest tube size I Size A or B Bands above stabilizing bar Top band E 270 S S S 1 band G 285 S S S 1 band G E 5 cm 300 S S S 1 band G 315 S L S 1 band G 330 S L S 1 band G 345 M L S 2 x 1 band G 360 M L S 2 x 1 band G 375 M L S 2 x 1 band G 390 M L L 2 bands 1 band 405 M L L 2 bands 1 band 420 L L L 2 bands 1 band 435 L L...

Page 18: ...65 2 x 2 band H L 2 bands 1 band 480 2 x 2 band H F 10 cm L 2 bands 1 band F 10 cm A 1 band is installed beneath the stabilizing bar if there is a clothes guard and a 2 bands if there is a mudguard 6 3 2 Backrest height BH The backrest height BH can be changed by mounting the telescopic tubes into another position in the backrest tubes If this setting option is insufficient the telescopic tubes ca...

Page 19: ...sert it in the required position The excenter plates must be positioned identically on both sides in the backrest joint 3 Reinsert the screw B and tighten it 4 Adjust the backrest joint see below 5 Fold up the backrest and let the pin A engage 6 Press the backrest forwards to ensure the joint cannot move 7 Unscrew the screw F until it touches the seat frame G 8 Screw the screw back in by between a...

Page 20: ...t folding over unintentionally If the release cord is too taut the locking mechanism B can open unintentionally Make sure that the release cord is not too taut 1 Knot the release cord A on the left and right side to the wire rings C such that it is free from tension but still ensuring that there is only minimal slack 5 mm 20 1659339 A ...

Page 21: ...est tube to the backrest joint with the screws B Here first install the lower screw followed by the upper one 7 Install the upper hook and loop bands and the push handles respectively the telescopic tubes again using screws and nuts A 8 Carry out the same setting on both sides 9 Repositionl the backrest cover A 7 Nm B 7 Nm Check Check the settings of the adjustment screws E on both sides The screw...

Page 22: ...eplacing the foldable handle Hole punch pliers 6mm Allen key 3 mm 4 mm 1 Remove the old foldable push handle 2 Pull down the backrest cover F on the telescopic tube until its hole B is uncovered IMPORTANT Make sure that the threaded insert E part no 1580450 supplied with the new push handle is used for assembly 3 Place the threaded insert E in the telescopic tube 4 Punch a hole through the backres...

Page 23: ...unted footrest page 24 6 4 1 Replacing the footrest Allen key 4 mm Socket spanner 8 mm 1 Remove the bolts washers and nuts A on both sides 2 Remove the footrest 3 Insert the new footrest into the frame tubes and move it to the required height 4 Reinsert bolts washers and nuts on both sides and tighten A 7 Nm 6 4 2 Adjusting the footrest height The height of the footrest can be adjusted in steps of...

Page 24: ...above 6 Position the foot plate again on the footrest and fasten with bolts C C 4 Nm 6 4 4 Replacing the angle adjustable footrest Allen key 4 mm Socket spanner 8 mm 1 Remove bolts G from the frame tubes H 2 Remove the footrest assembly A and B with the foot plate C from the frame 3 Remove all bolts D washers E and nuts F from the foot plate C 4 Remove the foot plate 5 Remove the telescopic footre...

Page 25: ...Instructions 1 Remove the high mounted footrest A by removing bolts B washers C and clamping parts D 2 Install the high mounted footrest by reversing step 1 B 7 Nm 1659339 A 25 ...

Page 26: ...ic tube H using bolt I D 4 Nm I 7 Nm M 13 Nm 1 Remove bolts A washers B and nuts C and remove the existing footrest 2 Slide the telescopic tube assembly D into the left frame tube F to the required height and secure with bolts washers and nuts through the nearest hole 3 Slide the telescopic tube assembly E into the right frame tube to the same height and secure with bolts washers and nuts through ...

Page 27: ...S S S L L L S S L L L L L 440 S S S S S L S S S S L L L L L 450 S S S S S S S S S S L L L S S 460 S S S S S S S S S S L S S S S 470 S S S S S S S S S S S S S S S 480 S S S S S S S S S S S S S S S 490 S S S S S S S S S S 500 S S S S S Carbon clothes guard sizes according to rear wheel size and position 24 Rear wheel 25 Rear wheel 26 Rear wheel Position Position Position RSTF mm 1 2 3 4 5 1 2 3 4 5 ...

Page 28: ...S S S S S S S S 480 S S S S S S S S S S S S S S S 490 S S S S S S S S S S 500 S S S S S Carbon mudguard sizes according to rear wheel size and position 24 Rear wheel 25 Rear wheel 26 Rear wheel Position Position Position RSTF mm 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 380 XL XL XL L L 390 XL L L L L XL XL XL XL XL 400 L L L L L XL XL XL XL XL XL XL XL XL XL 410 L L L L L XL XL XL L L XL XL XL XL XL 420 L L ...

Page 29: ...re find the suitable height on the clothes guard for fixing the screw connection C to the backrest mounting element A 4 Gently tighten screw connection C until it slightly jams 5 Secure with grub screw H 6 If necessary the holder I on the seat module can be replaced by removing installing screw J washer K and cap nut L The clothes guard is correctly positioned if it can be inserted between the sea...

Page 30: ...en the screw connections 5 Tighten the grub screw D again 6 Carry out the same setting on both sides 7 Tighten or loosen the screws G to adjust how easy the mudguard can be moved out or into the holder A 7 Nm D 4 Nm F 7 Nm The existing axle may not be sufficiently long for the new configuration with mudguard In this case a longer axle must be installed See chapter 6 7 4 add link to chapter page 34...

Page 31: ...appropriate hole in the tube and tighten with washer and nut B 4 Place the armrest in the holder B 7 Nm 6 5 3 Installing adjusting the siderest The rear seat to floor height RSTF must be at least 420 mm for installing siderests Allen key 4 mm 5 mm Phillips screw driver 2 mm 1 Install the holder B to the seat module using the screw connections A and bracket C 2 Slightly loosen the grub screw D on t...

Page 32: ... Any change in the adjustment of these screws requires a change of screw Allen key 3 mm 1 Remove the screws A and washers B 2 Remove the castor wheel D from the castor fork C 3 Place the sleeves E in the bearing of the new castor wheel 4 Place the castor wheel with sleeves in the required position of the fork 5 Secure the castor wheel to the fork using screws and washers A 4 Nm Function check The ...

Page 33: ... can still be turned freely 5 Reinstall the castor wheel F 13 Nm high strength Function check Tip the wheelchair backwards by 90 so that it is lying on the backrest and the rear wheels Make sure that the clevis pin is as horizontal as possible Turn the fork upwards position A and let it tip downwards The fork has been correctly adjusted if it easily turns to slightly beyond the bottommost point po...

Page 34: ... 5 mm Socket spanner 8 mm 1 Remove both rear wheels 2 Remove bolt and nut A on both sides and remove the axle holder B with the axle from the frame C 3 Remove the bolt D and bolt and nut E on both sides and remove the axle holder from the axle 4 Install the axle locking ring F to the required hole in the rear wheel extension H using bolts and washers G Here do not yet tighten the screws Slide the ...

Page 35: ...484 494 504 514 6 6 334 334 354 354 374 374 394 394 414 414 434 434 454 454 474 474 494 494 514 514 Mudguard armrest Camber angle 1 Axle 2 Axle SW 320 SW 340 SW 360 SW 380 SW 400 SW 420 SW 440 SW 460 SW 480 SW 500 VA 335 355 375 395 415 435 455 475 495 515 0 298 318 338 358 378 398 418 438 458 478 3 324 344 364 384 404 424 444 464 484 504 6 354 374 394 414 434 454 474 494 514 534 VA VA 335 335 355...

Page 36: ... and nuts A on both sides and remove the axle holder with the axle 3 Install the upper part of the Vario axle holder B on both sides using bolts washers and nuts A 4 Insert the Vario axle C and install the lower part of the Vario axle holder D on both sides using bolts and nuts E and bolt F 5 Set the desired wheel camber see next paragraph 6 Ensure the rear wheels are parallel for wheel camber 3 o...

Page 37: ...e that the inner tube is not trapped between the tyre and the rim 8 Inflate the tube to its maximum operating pressure Check that no air is escaping from the tyre 6 7 6 Replacing a solid tire Removing a solid tire Lever bar 1 Push on the side wall of the tire while inserting a lever bar Some solid tires are quite a bit smaller than the rim so this can be difficult 2 Once one lever is in insert a s...

Page 38: ...parking brake function is only guaranteed if the tyre has the corresponding inflation pressure 1 Check the tyre pressure in the rear wheels and correct if necessary 2 Slightly loosen bolt A of the brake holder 3 Change the position of the brake assembly as described in chapter 6 8 1 Installing the parking brake page 38 4 Tighten the bolt A IMPORTANT The force to apply the parking brake must be 60 ...

Page 39: ...d bolts washers and nuts C 2 Mount the adaptation holder to the rear wheel extension using the round nuts E and bolts with washers F It may be necessary to widen the existing holes to a diameter of 6 1 mm 3 Install the antitipper I to the adaptation holder using bolts washers and nuts F 4 Measure the distance between the antitipper and the ground and adjust the length of the antitipper according t...

Page 40: ...ium axle not for the Vario Ax Once the holder A is correctly positioned drill into the axle from both sides through the corresponding hole in the holder insert the bolt E and secure with nut F B 7 Nm F 7 Nm The active antitipper cannot be fitted to a carbon axle 6 9 2 Installing adjusting the transit wheels Allen key 3 mm 5 mm Socket spanner 8 mm 1 Loosen the bolt A and bolt and nut B and remove t...

Page 41: ... seat aligning the hole with the first frame hole and the groove with second frame hole If necessary reposition the clamping part of the parking brake WARNING Risk of injury due to incorrect installation Make sure that the parking brakes are positioned correctly to ensure the function 3 Insert bolts with washers and tighten 4 Mount the belt D to the adapter plate C in the required hole using bolt ...

Page 42: ...Küschall K Series Front side Rear side 42 1659339 A ...

Page 43: ...Notes ...

Page 44: ...acare ie Italia Invacare Mecc San s r l Via dei Pini 62 I 36016 Thiene VI Tel 39 0445 38 00 59 Fax 39 0445 38 00 34 italia invacare com www invacare it Nederland Invacare BV Galvanistraat 14 3 NL 6716 AE Ede Tel 31 0 318 695 757 Fax 31 0 318 695 758 nederland invacare com www invacare nl New Zealand Invacare New Zealand Ltd 4 Westfield Place Mt Wellington 1060 New Zealand Phone 0800 468 222 Fax 08...