Blizzard Service Manual
Contents
1. Oo Bock QUALITY FOR LIFE Caster positions Rear wheel adadapter 35 36 ho Rock QUALITY FOR LIFE Hersteller Manufacturer Otto Bock HealthCare GmbH Max Ndder StraBe 15 37115 Duderstadt Germany National Telefon O 55 27 848 1461 1462 1463 Fax 0 55 27 848 14 60 International Phone 49 5527 848 1304 1562 1590 1594 3663 Fax 49 5527 848 1676 e mail reha ottobock de Internet http www ottobock com Versandanschrift fur Rucksendungen Address for Returns Otto Bock HealthCare GmbH LindenstraBe 13 07426 K nigsee Germany Otto Bock HealthCare GmbH has been certified by the German Society for the Certification of Quality Assurance Systems DQS in accordance with DIN EN ISO 9001 standard reg no 779 management system GB 04 07 Otto Bock 647G4292. Check the casing for proper fit on the rim Fig 51 Then inflate the inner tube to the maximal pressure indicated on the sidewall of the tire Finally reattach the dust cap onto the valve Cito Bock QUALITY FOR LIFE Figure 52 4 7 9 Replacing the Push Rings Narrow Wide Mounting Position First remove the complete tire as described in section 4 7 8 Loosen and remove the screw connection of the push ring with the rim If necessary replace the worn push ring with a new one Reassemble the push ring to the rim Depending on whether you want to mount the push ring in narrow or wide position in relation to the rim use the inner or outer bore hole of the push ring brackets Fig 52 For further assembly please proceed as described in section 4 7 8 Figure 53 Figure 54 4 7 10 Replacement Retrofit of a Spoke Protector Spoke protectors can be mounted to rear wheels with hollow rim The spoke protectors are mounted with snap fasteners attachment nipples Remove the rear wheels and press out if present the attachment nipples of the worn spoke protector from inside using a hammer handle for example Fig 53 Remove the spoke protector and replace it with a new one Position the spoke protector on the rim so that it is centric and you can see a spoke beneath each of the six bore holes From outside press in the attachment nipples until you hear them lock in place on the spokes In some cases assembly with screws Is req
3. and prolongs the service life of the prod uct All Mobility products should be inspected and serviced once a year However if the product is used frequently or if it is used by growing children or patients with changing clinical conditions we recommend readjusting and servicing the product every 6 months Use only original spare parts for all service and maintenance The service and maintenance described in this manual should be performed by trained spe cialists only and not by the user This service and maintenance manual refers to the spare parts catalogs and instructions for use manuals for the products described For this reason it is important to use these docu ments together Use the maintenance plan check list as a template for making copies Retain completed main tenance plans and provide the customer with a copy Instructions for use Spare parts catalog Blizzard 647G422 D GB 1 2 Technical Support The Otto Bock Team of your country will be pleased to answer your technical questions Con tact addresses and telephone numbers are listed on the last page of this manual Mo Bock QUALITY FOR LIFE 1 3 Symbol Legend Caution Warning of damages to persons Attention Warning of product damages Note Useful tips for the technician Read Please read the Instructions for Use first 2 General Safety Instructions Observe the following guidelines for maintenance or repair work Caution Use appro
4. fold the backrest of the Blizzard down onto the seat surface Remove the retaining elements on the inside of the rear seat tube using a screwdriver Fig 21 and push the retaining bolts out of the tube Now pull the support brackets to the rear out the seat tubes Fig 22 Remove the spring mechanism from the support brackets and insert it into new support brackets For assembly please proceed in reverse order Figure 23 Figure 24 4 4 2 Replacing the Spring for the Back Release First proceed as described in section 4 4 1 until you have the rear support brackets in your hands Loosen the key ring from the bolt and remove the spring from the support bracket Fig 23 Insert a new spring and attach it using the key ring Fig 24 The reinsert the sup port brackets slide the retaining bolt into the seat tube and fix the component group using the retaining element Mo Rock QUALITY FOR LIFE Figure 25 Figure 26 4 4 3 Replacing the Back Release Using pincers pinch off the release cable from both key rings Fig 25 Slightly bend open the key rings and turn them out of the bolt end key ring principle Fig 26 Turn new key rings into the new release cable which will be delivered pre assembled and then turn the key rings into the bolt ends Test the back release for proper function Figure 27 Figure 28 4 4 4 Pre setting of the Back Angle 16 First remove the rear wheels On both sides open the screws of
5. footrest bar is in the same position on both sides Retighten the screws If it not possible to set the desired lower leg length because the footrest bars are too long or too short the footrest must be replaced To do this loosen the four screws until the foot rest can be removed completely Fig 12 Replace it with a new footrest of the correspond ing size For assembly please proceed as described above Figure 13 Figure 14 4 2 2 Replacing the Footplate Completely loosen the two screws in the middle of the footplate and remove the footplate Fig 13 If you want to continue using the angle adjustment leave it where it is otherweise bend it open as far as necessary and pull it off the tube Push a new angle adjustment onto the tube Fig 14 reattach the footplate and tighten the screws 12 Mo Bock QUALITY FOR LIFE Figure 15 Figure 16 4 2 3 Setting the Footrest for Short Lower Leg Length Loosen the screws on the outside of the footrest Fig 15 and the preset Fig 16 Move the footrest to the desired position and first tighten the screws of the preset Then rotate the footplate until it has the desired angle and retighten the screws on the outside of the footrest Figure 17 4 2 4 Replacement Retrofit of the Lateral Heel Blocks on the Footplate If already present loosen the screws on the lateral brim of the footplate Fig 17 Remove the lateral heel block and replace it with a new one or attach t
6. the side panel guide Fig 27 and remove them Slide the side panel downwards out of the way The back angle preset is now freely accessible On both side remove the screws for the pre setting Fig 28 and move the back into the de sired position Once you have found the desired position tighten the screws Reassemble the side panel guide and reattach the rear wheels Readjustment of the back part on the rear support brackets is not necessary Cito Bock QUALITY FOR LIFE Figure 29 4 4 5 Replacing the Push Handles First pull off the bib of the back upholstery Then remove the upper strap of the upholstery in case of folding push handles Loosen the screw connection of the push handles on the rear side of the back tubes Fig 29 and pull the push handles upwards out of the back tubes For assembly please proceed in reverse order Figure 30 Figure 31 4 4 6 Replacing the Back Upholstery First proceed as described in section 4 4 5 until you have removed the push handles Loosen all hook and loop straps of the worn back upholstery Then pull all strap loops which are above the back stabilizer upwards off the back tubes Fig 30 Unlock the backrest and move it into a 45 angle Fig 31 Remove the key rings from the back release as described in section 4 4 3 Now pull the strap loops which are below the back stabilizer downwards off the tubes For assembly please proceed in reverse order Wo Bock QUALITY
7. FOR LIFE 4 5 Side Panels Figure 32 Figure 33 4 5 1 Setting the Side Panels Standard and Clothing Protector On both side open the screws on the eccentric wheels Fig 32 until you notice that the wheels can rotate treely and the side panel slide on the seat tube Move the side panel lengthwise into the desired position Use a folding ruler to measure the distance up to the front end of the seat tube to ensure parallel setting Fig 33 Next remove on both sides the screws of the side panel guides Fig 27 move the attach ments vertically on the back tube to the desired height and retighten the screws Once you have achieved the desired position you can still make fine corrections using the eccentric wheels before also tightening these screws Figure 34 4 5 2 Replacing the Eccentric Wheels Standard Side Panel and Clothing Protector Remove the screws on the eccentric wheel Fig 32 and completely remove them This will also make the stabilizer beneath the seat come loose see section 4 3 2 Then completely loosen the small screws on the inside of the side panel Fig 34 You can now remove the eccentric wheel For assembly please proceed in reverse order OMe Bock QUALITY FOR LIFE 4 5 3 Replacing the Side Panels Standard and Clothing Protector Remove the screws on the eccentric wheel Fig 32 and completely remove them This will also make the stabilizer beneath the seat come loose see sectio
8. Replacement of the Crutch Holder First proceed as described in section 4 1 1 Remove the rear wheels and the U shaped profile from the rear wheel adapter Slide the pre assembled crutch holder onto the rear wheel axle which is now freely acces sible past the rear wheel adapter until the hexagonal attachment of the crutch holder is located on the hexagon of the axle Fig 8 Fix the crutch holder using the clamping screw Reinstall the rear wheel attachment and attach the wheels by repeating the steps described above in the reverse sequence Attach the hook and loop strap for guidance of the crutches to the back tube Figure 9 To replace the bucket loosen the screw connection on the bottom and remove the bucket Fig 9 Attach a new bucket and fix it using the previously removed screws 10 Mo Bock QUALITY FOR LIFE i TA e Figure 10 4 1 5 Retrofit of the Frame Pads Wrap the frame pads around the front frame tubes as in the picture and close the hook and loop closure Fig 10 Use a mild household cleaner to clean the frame pads Wo Bock QUALITY FOR LIFE 4 2 Footrest Figure 11 Figure 12 4 2 1 Setting the Lower Leg Length Replacing the Footrest Loosen the four screws on the inside of the caster attachment device until the footrest bar can be moved in the frame tube Fig 11 Set the desired lower leg length by moving the footrest ahead or back evenly Ensure that the
9. Wo Rock QUALITY FOR LIFE Blizzard Service Manual Mo Bock QUALITY FOR LIFE Service Manual for the Blizzard Wheelchair for Active Use Table of Contents Page 1 ae 2 LI PACE ta 2 L2 EeChhicdISUDDOI iii ian 2 KS SVD LOG ONG A PE o Ia 3 2 General Safety Instructions ooconcoconconcancncnacanonnnnrancancarancnnnnnnnrnnnaronrnnrnanarnn ran rarananans 3 3 Required Tools and Maintenance PION 1cscccecccscnccecccncncnsanancenenesesensensananaenenenenesssesesasass 5 o Kegured TOO Sia iii EEE EE 5 22 MAMtenance Flat 7 4 Settings Replacement Retrofit 1 rr 8 4 1 ComponentGroupA Frame privi 8 4 2 Component Group B Footrest 1 1111 10110 10000 rr iariiarininii 12 4 3 Component Group C Sedici 14 4 4 Component Group D Back Push Handles oocococcococcococcocononcononrononnono 15 4 5 Component Group E Side PanelSs oococcocococcococcononcononcanoncanoncaranonrarcaranoarono 18 4 6 Component Group F COStCSS ccccccccsccecsececsucecuececuscecusaususcususausesaesesaususanaunenenans 21 4 7 Component Group G Rear Whe lS ooccococcocococconoccoconcononcoroncaranoararcaranoanono 23 4 8 Component Group H Wheel LocCk o oococcococcccococcononcononcononcoronoaroncararoaranonrono 28 S Tecn A DAE EEEE E 32 Who Rock QUALITY FOR LIFE 1 Introduction 1 1 Preface Regular maintenance is important lt increases safety
10. caster journal bearing about 1 4 turn will suffice Fig 37 Place the supplied bubble level on the caster wheel adapter Use the Allen screw on the top to adjust the caster wheel journal angle Fig 38 Subsequently retighten the counter nut Figure 39 4 6 2 Replacing the Casters Loosen the screw connection of the casters Fig 39 and remove them from the forks When changing the caster size be sure to use the correct spacers for the respective caster size in the fork in case of spare parts orders they will be included in the delivery Mount new casters Use new screws or apply a liquid thread lock to the existing screws Firmly retighten the screw connections 21 Wo Bock QUALITY FOR LIFE Figure 40 4 6 3 Replacing the Caster Fork 22 In case of forks with threaded axle Loosen the retaining ring on the inside of the caster fork and remove it Fig 40 Pull the threaded axle with the fork downwards out of the caster wheel journal Fig 41 Loosen the screw connection of the axle and remove the axle from the caster fork For as sembly please proceed in reverse order In case of forks with quick release axle Press the release button of the quick release axle on the inside of the caster fork Pull the quick release axle with the fork downwards out of the caster wheel journal Loosen the screw connection of the axle and remove the axle from the caster fork For as sembly please proceed in reverse or
11. der 4 6 4 Replacing the Eccentric Wheel Completely loosen the counter nut on the underside of the caster journal bearing Fig 37 and remove the screw and nut Pull off the eccentric wheel to the inside For assembly please proceed in reverse order Mo Bock QUALITY FOR LIFE 4 7 Rear Wheels Figure 42 Figure 43 4 7 1 Horizontal Setting of the Rear Wheel Position First remove the rear wheels On both sides loosen the screws on the outside of rear wheel adapter until you can move the adapter on the profiled seat tube Fig 42 Slide the rear wheel adapters into the desired position Use a folding ruler to measure the distance up to the rear end of the seat tubes to ensure parallel setting Fig 43 Retighten the screws 4 7 2 Replacing the Rear Wheel Adapters First disassemble the rear support brackets for the back as described in section 4 4 1 Next loosen on both sides the screws on the outside of rear wheel adapter until you can move the adapter on the profiled seat tube Fig 42 Pull the rear wheel adapters to the rear off the seat tube For assembly please proceed in reverse order 23 OMe Bock QUALITY FOR LIFE Figure 44 Figure 45 4 7 3 Vertical Setting of the Rear Wheel Position Replacing the U shaped Profiles First remove the rear wheels Fully loosen the two screws on the front of the rear wheel attachment and remove them Now pull the U shaped section off to the rear Fig 44 For
12. e the screw Fig 62 Remove the wheel lock lever extension and replace it with a new one Attach the eyelet of the new brake cable to the bore hole of the wheel lock body and tighten the screw Plug the wheel lock lever extension onto the wheel lock lever 31 OMe Rock QUALITY FOR LIFE 5 Technical Data Overall length in cm Rear wheel size Seat Rear Front Rear Front Frame angle n Da depth axle position axle position axle position axle position 36 38 ss ros 40 42 44 46 48 1 Specified at 0 seat angle Overall width in cm so se fors es ee ooo joss rs dr 1 Specified for narrow push ring installation in case of wide installation 2 cm 32 Mo Bock QUALITY FOR LIFE Lower leg length in cm Footrest for short lower Standard footrest leg lengths Frame angle min max min max ee 1 Specified at 0 seat angle without seat cushion Anterior seat height in cm Caster diameter COC p fom fe CES E oo N N CI a N e Short caster Position 2 2 Aad 1 455 5 465 5 47 AT fork 7 478 48 8 8 Position 4 4 2 4 4 POESIE 3 fork 1 Specified at 0 seat angle without seat cushion 2 Combination not possible 33 Who Rocke QUALITY FOR LIFE Posterior seat height in cm Rear wheel attachment short Rear wheel attachment medium Rear wheel attachment long 1 Specified at 0 seat angle and 0 camber without seat cushion 34
13. he new lateral heel block beneath the footplate Fix it at the desired angle using the existing supplied screws Oo Bock QUALITY FOR LIFE 4 3 Seat 1 Y a AN Figure 18 Figure 19 4 3 1 Replacing the Seat Upholstery Bars for Upholstery Fix the Blizzard in the assembly stand Remove the rear wheels and if present the seat cushion and fold the backrest down onto the seat surface In case of the tension adjustable upholstery loosen the hook and loop connections to release the tension Fig 18 Using pliers evenly pull the seat upholstery together with the upholstery bars to the rear out of the guides Fig 19 You may either reuse the upholstery bars or use new ones If required slide the upholstery bars into the flaps of the new seat upholstery Then slide into the guides in the seat tube and evenly pull the upholstery up to the front Close the hook and loop connections of the tension adjustable upholstery and fold the backrest back into upright position Figure 20 4 3 2 Replacing the Stabilizer Remove the rear wheels Loosen the two screws of the eccentric wheels until they do no longer hold the stabilizer which is located under the seat bottom Fig 20 Replace the stabilizer with a new one For assembly please proceed in reverse order Cito Bock QUALITY FOR LIFE 4 4 Back Push Handles Figure 21 Figure 22 4 4 1 Replacing the Rear Support Brackets Remove the seat cushion and
14. n 4 3 2 Next remove on both sides the screws of the side panel guides Fig 27 You can now completely remove the side panel For assembly please proceed in reverse order Figure 34a Figure 34 b 4 5 4 Retrofit Replacment and Setting of the Height Adjustable Side Panels First loosen the two screws of the side panel receiver and completely remove them Now place the receiver in the desired position on the rear wheel attachment device and fix it Fig 34a Insert the slide of the side panel into the receiver and fix it in the desired height using the screw provided Fig 34b To change the height shift the screw tightened last to an alternative bore hole on the slide Changing the rear wheel position lengthwise will also cause the side panel to move length wise Wo Bock QUALITY FOR LIFE Figure 35 Figure 36 20 4 5 5 Retrofit Replacement of the Armrest The receiver for the armrest replaces the standard rear support bracket of the backrest Proceed as described in section 4 4 1 and replace the support bracket with the receiver for the armrest Fig 35 Insert the armrest into the receiver By shifting the stop in the receiver the armrests can be set to one of three height positions Fig 36 Mo Bock QUALITY FOR LIFE 4 6 Casters Figure 37 Figure 38 4 6 1 Adjusting the Caster Wheel Journal Angle Place the Blizzard on an even level surface Loosen the counter nut on the underside of the
15. nt and attach the wheels by repeating the steps described above in the reverse sequence Mo Bock QUALITY FOR LIFE Figure 5 Figure 6 4 1 2 Retrofit Replacement Setting of the Transport Wheels First proceed as described in section 4 1 1 On both sides remove the rear wheels and the U shaped profiles from the rear wheel adapter Slide the pre assembled transport wheels on both sides onto the freely accessible rear wheel axle until the hexagonal attachments of the transport wheels are located on the hexagons of the axle Fig 5 Fix the transport wheel attachments using the clamping screws To change the setting of the transport wheels press the spring mounted buttons inwards and slide the transport wheels into the desired position Fig 6 They will automatically engage when reaching a free locking position Figure 7 4 1 3 Retrofit Replacement Setting of the Tip Assist First proceed as described in section 4 1 1 Remove the rear wheels and the U shaped profile from the rear wheel adapter Slide the pre assembled tip assist onto the rear wheel axle which is now freely accessible past the rear wheel adapter until the hexagonal attachment of the tip assist is located on the hexagon of the axle Fig 7 Fix the attachment using the clamping screw To change the setting please proceed analogously to the transport wheels see section 4 1 2 Wo Bock QUALITY FOR LIFE Figure 8 4 1 4 Retrofit
16. priate tools refer to pages 5 amp 6 Caution Wear appropriate clothing including gloves and safety glasses if necessary Attention Secure the product to prevent it from tipping over or falling off the workbench Read Read the service and maintenance instructions before starting Read Familiarize yourself with the functions of the product If you are not familiar with the prod uct read the instructions for use manual before inspecting the product Attention If you do not have an instructions for use manual you can order one from the manufacturer see the overview of all Otto Bock Branches Otto Bock Worldwide Attention Alternatively you can download documents from our home page at www ottobock de or www ottobock com Who Rock QUALITY FOR LIFE Attention Clean or disinfect the product before starting inspection See the instructions for use manual for care instructions or specific product inspection information Attention Many of the screw fastenings use thread lock or nylock nuts If you have to undo such screw fastenings replace the nut or screw with a new nut screw with thread lock If new screws or nuts with thread lock are not available use a medium strength liquid thread lock substance such as Loctite 241 or Euro Lock A24 20 Mo Bock QUALITY FOR LIFE 3 Required Tools and Maintenance Plan 3 1 Required Tools The following list shows you the tools and auxiliaries required for the se
17. replacement mount new U shaped profiles proceeding in the reverse order To change the setting of the rear wheel position proceed on both sides as described so that you have the rear wheel axle in your hands Reposition the axle over the adjustment hole channel on the rear wheel adapter at the desired location Fig 45 Fine adjustment of the axle is described in section 4 7 6 For assembly please proceed in reverse order Figure 46 24 4 7 4 Mounting a Wheelbase Extension First remove the rear wheels Fully loosen the two screws on the front of the rear wheel attachment and remove them Now pull the U shaped sections off to the rear Fig 44 Re place these parts with the delivered wheelbase extension Fig 46 For assembly please proceed in reverse order This description applies to both wheelbase extension with and without second axle Cito Bock QUALITY FOR LIFE 4 7 5 Changing the Rear Wheel Camber To change the rear wheel camber you have to replace the axle First remove the rear wheels Fully loosen the two screws on the front of the rear wheel attachment and remove them Now pull the U shaped section off to the rear Fig 44 Complete this process on both sides so that you have the axle in your hand Replace the axle with a new one with alternative wheel camber Fine adjustment of the axle is described in section 4 7 6 For assembly please proceed in reverse order Figure 47 Figure 48 4 7 6 Fine Adj
18. rvice Reversible ratchet handle wrench Torque wrench Wrenches sizes 8 mm 24 mm and sockets sizes 8 mm 24 mm measurement range 5 Nm to 50 Nm Allen wrenches sizes 3 mm 6 mm Screwdrivers Phillips head screwdriver size 2 blade widths 2 5 3 5 and 5 5 mm Plastic hammer Hammer approx 300 g Stanley knife with sickle hooked blade and standard blade Side cutting pliers Liquid thread lock medium strength Pop rivet gun for rivets up to 5 mm Contained in 481C08 ST010 Tool Set Cito Rock QUALITY FOR LIFE Workbench as well as a vise with Hand drill Tire mounting levers plastic jaws and rubber insert inner tube repair kit OMe Bock QUALITY FOR LIFE 3 2 Maintenance Plan Customer Maintenance Plan Blizzard for regular service Wheelchair for active use Component group Inspection check list Serial no 1 Function setting 2 3 refer to 647G422 Instructions for Use Damages Screw connections deformations Frame Accessories Anti tipper Transport wheels Crutch holder Tip assist Frame pads Footrest Flip up mechanism Lower leg length setting Angle adjustment C Seat Seat upholstery Seat cushion Back Push Handle Back upholstery Back tubes Folding mechanism Push handles Side Panel Height setting Slide down mechanism Removability Caster Tires wear Air pressure Caster journal angle Screw connection of the ca
19. ster journal bearing Running behavior of the wheels Threaded axles quick release axles Swiveling of the wheel forks G Rear Wheel Tires wear Air pressure Running behavior of the wheels Spokes Push rings Quick release axles Wheel camber Rear wheel attachment Rear Wheel Accessories Spoke protectors Wheelbase extension H Wheel Lock Brake function Lever mechanism P Wheel Lock Accessories Wheel lock lever extension Do the settings of the wheel chair comply with the user s requirements Maintenance performed by on E F X X X X X au o o X pinom o sele OMe Bock QUALITY FOR LIFE 4 Settings Replacement Retrofit 4 1 Frame Y i e i Figure 1 Figure 2 4 1 1 Retrofit Replacement of the Anti tipper First remove the rear wheels by pressing the button of the quick release axle with your thumb and pulling off the wheel Fig 1 Fully loosen the two screws on the front of the rear wheel attachment Fig 2 and remove them Now pull the U shaped section off to the rear ies o Figure 4 Slide the pre assembled anti tipper onto the rear wheel axle which is now freely acces sible past the rear wheel adapter until the hexagonal attachment of the anti tipper is located on the hexagon of the axle Fig 3 Fix the anti tipper using the clamping screw Fig 4 and test the swing away and locking function Reinstall the rear wheel attachme
20. the handle cover all around and as deeply as possible Fig 58 Fully slide the handle cover onto the wheel lock lever Now wait so as to allow full curing of the glue Figure 59 4 8 4 Replacing the Brake Block of the Wheel Lock Loosen and remove the screw from the brake block Remove the worn brake block and replace it with a new one Fig 59 Attach the brake block to the wheel lock and retighten the screw 29 Wo Bock QUALITY FOR LIFE Figure 60 4 8 5 Replacing the Bracket of the S type Wheel Lock Open the central screw connection of the S type wheel lock and remove the nuts Fig 60 Remove the bracket and replace it with a new one Check the wheel lock for firm fit and proper function Figure 61 4 8 6 Maintenance of the Performance Wheel Lock If the Performance wheel lock gets stuck during the return function lubrication of the guide will normally be sufficient if not the wheel lock must be replaced refer to section 4 8 2 Use a light oil such as sewing machine oil and apply it into the body of the Performance wheel lock by spraying or drizzling Fig 61 Check for easy function by opening and clos ing the wheel lock Repeat the procedure until it is easy again to open and lock the wheel lock 30 Mo Bock QUALITY FOR LIFE Figure 62 4 8 7 Assembling Replacing the Wheel Lock Lever Extension Open the screw connection of the retaining cable on the wheel lock body and completely remov
21. uired Fig 54 Please refer to information given in the spare parts catalog 27 to Bock QUALITY FOR LIFE 4 8 Wheel Lock i Figure 55 Figure 56 28 4 8 1 Setting the Wheel Lock First make sure that the rear wheel tires have been inflated to the indicated pressure Loosen the screw on the wheel lock holding device until you can move the wheel lock on the seat tube with your hand Fig 55 Position the wheel lock so that it firmly blocks the rear wheel when it is locked Fig 56 Afterwards firmly retighten the screw 4 8 2 Replacing the Wheel Lock Fully loosen the screw on the wheel lock holding device and remove the screw Fig 55 Remove the worn wheel lock and replace it with a new one which will be delivered pre as sembled Attach the new wheel lock to the wheel lock holding device and fix it with a new screw or use the existing screw with a liquid thread lock Cito Bock QUALITY FOR LIFE Figure 57 Figure 58 4 8 3 Replacing the Wheel Lock Lever Handle Cover First carefully cut open the worn wheel lock lever handle cover using a box cutter and peel it off the wheel lock lever Fig 57 Remove all residues of the old glue and material from the wheel lock lever A cleaning solvent may be helpful Please observe possible warning information given by the manufacturer Open the superglue sachet Observe the instructions given by the manufacturer of the glue Using a spatula apply the glue into
22. ustment of the Rear Wheel Axle after Position Change Tracking Set ting Place the Blizzard on an even level surface If not yet done loosen the screws of the rear wheel attachment until you can turn the axle by hand Fig 47 Place the supplied bubble level on the hexagon of the axle and rotate the axle until it is exactly horizontal Fig 48 Retighten the screws 25 to Bock QUALITY FOR LIFE a o 3 Figure 49 4 7 7 Setting the Quick release Axle The quick release axle must be set so that the wheel engages securely and has no play on the axle Using a wrench hold the quick release axle on the inner side still whilst screwing the nut at the head of the quick release axle in or out until the correct setting is achieved Figure 50 Figure 51 26 4 7 8 Changing Tires If the tire is bald first let the air out of the inner hose by opening the valve Remove the cas ing from the rim using standard tools available at bicycle shops then remove the inner tube and inspect the rim band as well as the inner rim surface for damages Replace the inner tube and or casing with new ones or repair the inner tube according to the directions in the repair kit Insert the inner tube into the rim starting with the valve Pump the tube with a small amount of air until it assumes its round shape and then insert it into the rim Fig 50 Put the casing onto the rim and bring it into the correct position using the standard tools
Download Pdf Manuals
Related Search