Dragon Service manual
Contents
1. gt CO N O BR QQ N l EN CO 51 SERVICE MANUAL Position of the rear swivelling perforated plates Seat angle in Invacare Dragon Tiger Seat height in cm 7 13 1 2 Table 2 14 54 5 16 55 5 20 57 5 E 11 38 5 10 39 5 7 41 5 42 4 43 3 43 5 1 44 5 0 45 5 1 46 5 2 47 3 47 5 4 48 5 6 49 5 r 50 9 51 10 52 13 54 14 55 18 57 The second table refers to the rear holding plates in the high position see illustration on the right A D UA O LAN e O Position of the rear swivelling perforated plates Seat angle in o 52 10 42 7 43 5 5 44 5 3 46 Invacare Dragon Tiger SERVICE MANUAL Position of the rear swivelling Seat angle in Seat height in cm perforated plates 53 SERVICE MANUAL Invacare Dragon Tiger 7 14 Replacing the safety belt A Requirements get e 10mm socket spanner e 4mm Allen key Dismantling the safety belt e Remove the plastic cap 5 e Loosen the bolt 3 and the associated nut in the figure this is covered with a 4 mm Allen key and a 10 mm socket spanner e Remo2. Dragon Tiger SERVICE MANUAL V Repair Work General warning information on installation work CAUTION Danger of damage to vehicle Collisions can be caused if the adjusting washers are removed during fitting work to the drive wheels Adjusting washers are often fitted between the drive shaft and the wheel hub to even out tolerances If these adjusting washers are removed and not replaced again collisions can be caused e Always replace the adjusting washers exactly as they were before you started dismantling Replacing the motor WARNING Danger of crushing The mobility and the seat are very heavy Danger of injury hazard to hands and feet caused by uncontrolled tilting oder other movement e You should seek help from a second person e Remove the seat and place the mobility device upside down so that the wheels are facing upwards This guarantees mobility device stability during repair work e Please see the following work steps for further important information e Use a wooden chock underneath the battery box that is large enough to provide the wheelchair with large area support when jacking up the wheelchair This improves the tipping stability of the wheelchair during repair work ATTENTION Fire and burns hazard if battery terminal is bypassed e Please take great care to ensure that the battery terminals are never short circuited with tools or mechanical mobility device parts e Ensure that
3. e Use a wooden chock underneath the battery box that is large enough to provide the wheelchair with large area support when jacking up the wheelchair This improves the tipping stability of the wheelchair during repair work Required parts tools e 5 mm Allen key e Wooden chock approx 12 x 12 x 30 cm for jacking up the vehicle Information Please take care of the small parts and observe the sequence in which the component parts are installed Please set them out in an orderly fashion so that they can be installed again easily in the correct sequence e Jack up the vehicle using the wooden chock 1 47 SERVICE MANUAL Invacare Dragon Tiger 7 13 W 48 Loosen the 4 screws fastening the wheel 1 using the 5mm Allen key Remove the wheel from the hub Installation is carried out in the reverse order Adjusting the seat angle seat height There are three perforated plates under the seat for adjusting the seat angle and the seat height These perforated plates in connection with the adjustable rear holding plates result in a multitude of different adjustment possibilities The adjustable range of the seat height at 0 seat angle is 42 5 cm to 50 cm The adjustable range of the seat angle is 12 to 22 Please observe The higher the seat adjustment the smaller the adjustable range of the seat angle Pre requisites 5 mm Allen key 6 mm Allen key 13 mm open ended spanne
4. connector Check the motor See Checking the cables on page 34 See Replacing the motor on page 21 Fault on the left M2 motor brake Check cable and connector See Checking the cables on page 34 Fault on the right M1 motor brake Check cable and connector See Checking the cables on page 34 Fault on the Shark remote Check the bus cable on the remote and U connector Replace the remote See Checking the cables on page 34 See Replacing the Shark Remote on page 36 19 SERVICE MANUAL 20 FLASHING CODE 8 Meaning Fault on Shark main module Invacare Dragon Tiger Solution Check all cables and connectors on the Shark system Replace the main module FLASHING CODE See Checking the cables on page 34 See Replacing the Shark Electronics on page 26 Communication error on the Shark system Check all cables and connectors on the Shark system Replace the remote See Checking the cables on page 34 See Replacing the Shark Remote on page 36 10 Unknown error Check all cables and U connectors See Checking the cables on page 34 11 Incompatible remote An incorrect remote has been connected Ensure that main module and remote code are concordant See Replacing the Shark Remote on page 36 See Replacing the Shark Electronics on page 26 Invacare
5. any defective or possibly defective batteries General safety information and information about fitting removal WARNING Danger of crushing Various components such as the drive unit batteries seat etc are very heavy This results in injury hazards to your hands e Please note the high weight of some components This applies especially to the removal of drive units batteries and the seat WARNING Injury hazard if the vehicle starts moving unintentionally during repair work e Switch the power supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges ATTENTION Fire and burn hazard due to electrical short circuit e The mobility device must be completely switched off before removal of voltage carrying components To do this remove the batteries e Avoid short circuiting the contacts when carrying out measurements on voltage carrying components 11 SERVICE MANUAL Invacare Dragon Tiger 12 CAUTION Danger of burns from hot surfaces on the motor e Allow the motors to cool down before commencing work on them ATTENTION Injury hazard and danger of damage to vehicle due to improper or incomplete maintenance work e Use only undamaged tools in good condition e Some moving parts are mounted in sockets with PTFE coating Teflon Never grease these sockets e Never use normal nuts instead of self locki
6. should be taken from the operating manual You can find information about ordering spare parts in the spare parts catalogue Only use original Invacare spare parts The guarantee will become invalid if other spare parts are used We reserve the right to make any alterations on the grounds of technical improvements The mobility aid may only be maintained and overhauled by qualified personnel The minimum requirement for service technicians is suitable training such as in the cycle or orthopaedic mechanics fields or sufficiently long term job experience Experience in the use of electrical measuring equipment multimeters is also a requirement Special Invacare training is recommended Alterations to the mobility aid which occur as a result of incorrectly or improperly executed maintenance or overhaul work lead to the exclusion of all liability on the side of INVACARE If you have any problems or questions please contact Invacare Service Notes on transport If the mobility aid has to be shipped back to the manufacturer for major repairs you should always use the original packaging for transport Please attach a precise description of the fault SERVICE MANUAL Invacare Dragon Tiger 1 3 P P P P Definition and representation of information and safety information in this manual Different types of information and signal words are used throughout this manual HAZARD The signal word HAZARD refers
7. the battery terminal caps have been replaced if you are not working on the battery terminals Pre requisites Small flat screwdriver 5 mm Allen key 8 mm Allen key 11 mm open ended spanner 19 mm open ended spanner Aglet diameter 2 5 mm for knocking the splint out of the decoupling leverage Small hammer Edge cutter Cable binder Wooden chock approx 12 x 12 x 30 cm for jacking up the vehicle Information Please take care of the small parts and observe the sequence in which the component parts are installed Please set them out in an orderly fashion so that they can be installed again easily in the correct sequence 21 SERVICE MANUAL Invacare Dragon Tiger 22 Jack up the vehicle using the wooden chock Loosen the socket head screw 1 using a 5 mm Allen key Remove the screw and the hub cap Pull the complete wheel from the wheel hub Remove the battery cover Pull off the battery pole caps and push back to gain access to the battery poles Loosen the battery pole clips with the 11 mm open ended spanner Remove the batteries SERVICE MANUAL Invacare Dragon Tiger e In order to remove the motor the front decoupling rod connection 1 must be disconnected Release the retaining ring 1 using the small flat screwdriver and pull out e Disengage the decoupling leverage from the motor e Unscrew handwheels screws 1 on both sides of the panelling for the ele
8. the valve cap Exhaust the air from the tyre by pressing the spring pin in the valve Loosen and remove the four screws 1 using the 12 mm socket wrench on the outside and the 13 mm socket wrench on the inside to counter Remove the tire with the inner tube from the rim halves Repair the tube and re fit or fit new tube PLEASE NOTE If the old tube is to be repaired and re fitted and has become wet during repair work powdering the hose with some talcum powder can simplify the fitting procedure 46 Invacare Dragon Tiger SERVICE MANUAL 7 12 e Re insert the rim halves into the tire from the outside e Pump alittle air into the inner tube e Re position the screws and screw rim together tightly Make sure the inner tube does not get pinched between the rims halves e Check the exact fit of the shoe e Inflate the tyre to the prescribed air pressure e Re check the exact fit of the shoe e Screw on the valve cap e Re install the wheel Replacing a drive wheel WARNING Danger of crushing The mobility and the seat are very heavy Danger of injury hazard to hands and feet caused by uncontrolled tilting oder other movement e You should seek help from a second person e Remove the seat and place the mobility device upside down so that the wheels are facing upwards This guarantees mobility device stability during repair work e Please see the following work steps for further important information
9. to information for the correct disposal of used or damaged batteries SERVICE MANUAL Invacare Dragon Tiger 1 5 Images in this manual The detailed images in this manual are given digits to identify various components Component numbers in text and operational instructions always relate to the image directly above 10 Invacare Dragon Tiger SERVICE MANUAL 2 1 O 2 3 A amp Safety and fitting instructions These safety instructions are intended to prevent accidents at work and it is imperative that they are observed Before any inspection or repair work e Read and observe this repair manual and the associated operating manual e Observe the minimum requirements for carrying out the work see chapter entitled General information Personal safety equipment Safety shoes The mobility device and some of its components are very heavy These parts can result in injuries to the feet if they are allowed to drop e Wear standardised safety shoes during all work Eye protection It is possible that battery acid can be discharged when working on defective batteries or when handling batteries improperly e Always wear eye protection when working on any defective or possibly defective batteries Safety gloves It is possible that battery acid can be discharged when working on defective batteries or when handling batteries improperly e Always wear acid proof safety gloves when working on
10. which has been soiled by or dipped in acid off immediately e Rinse any areas of your skin which has come into contact with battery acid off immediately with plenty of water If contact with eyes is made e Rinse the affected eye under running water for several minutes You should also consult an eye specialist immediately afterwards Requirements e Safety goggles e Acid resistant gloves e Acid resistant receptacle for transportation e Always wear appropriate safety clothing when handling damaged batteries e Place damaged batteries in an acid resistant receptacle immediately after removing them e Only ever transport damaged batteries in an appropriate acid resistant receptacle e Wash all objects that have come into contact with acid with lots of water Always dispose used or damaged batteries correctly Used and damaged batteries will be taken back by your medical equipment supplier or Invacare 31 SERVICE MANUAL Invacare Dragon Tiger 7 6 A amp 32 Checking and replacing the main fuse CAUTION Fire hazard A short circuit can cause extremely high currents which can result in spark formation and fire e Always use an original strip fuse with the approved amperage e Ifthe main fuse has blown first rectify the cause before fitting a new one CAUTION Fire hazard Fitting the incorrect strip fuse causes a fire hazard e Only ever assemble the fuse in the order shown in the
11. 1 1 Diagnosis of actuation disorders 17 6 1 2 Shark error codes and diagnostic codes 19 7 REPAIR WORK 21 7 1 General warning information on installation work 21 7 2 Replacing the motor 21 7 3 Replacing the Shark Electronics 26 7 4 Updating the driving program 28 7 5 Changing the batteries 29 7 5 1 Removing the batteries 30 7 5 2 How to handle damaged batteries correctly 31 SERVICE MANUAL 7 6 Checking and replacing the main fuse 7 7 Checking the cables 7 8 Replacing the Shark Remote 7 9 Operating hours counter 7 9 1 Replacing the operating hours counter 7 9 2 Replacing the connecting cable of the operating hours counter 7 10 Replacing the steering head bearings on the steering wheels 7 11 Repairing a flat tyre 7 11 1 Repairing the flat tyre pneumatic tyre equipment type 122 x 27 7 11 2 Repairing a flat tyre pneumatic tyre equipment type 220 120 x 50 7 12 Replacing a drive wheel 7 13 Adjusting the seat angle seat height 7 13 1 Adjustment tables 7 14 Replacing the safety belt 7 15 Testing an actuator motor Invacare Dragon Tiger 32 34 36 38 40 42 44 45 47 48 50 54 54 Invacare Dragon Tiger SERVICE MANUAL 1 1 1 2 Introduction General information Service and maintenance work must be carried out taking this service manual into account It is imperative that you observe safety information Information about operation or about general maintenance and care work on the mobility aid
12. ANUAL Invacare Dragon Tiger 7 9 2 Replacing the connecting cable of the operating hours counter Requirements e Philipps screwdriver size 2 e Side cutters e Cable ties e Switch the electronics OFF e Remove the legrests e Loosen and remove the thumb screws 1 on both sides of the electronics cover e Remove the electronics cover The operating hours counter is attached to the frame with a Velcro strip e Disconnect the cable of the operating hours counter from the drive motor e Pull the operating hours counter off of the frame e Turn the operating hours counter over e Loosen and remove the four Philipps head screws of the casing e Disconnect the plugs amp e Remove the cable binder e Carefully pull the cable 2 of the operating hours counter out of the casing 1 e Replace the operating hours counter cable 40 Invacare Dragon Tiger SERVICE MANUAL CAUTION Property damage can result if the counter is incorrectly connected If the plus and minus wires are connected the wrong way it will damage the electronic components of the operating hours counter Make sure the cable is connected correctly The brown wire is additionally marked with a yellow sleeve with a plus symbol on it The cable of the operating hours counter is installed in reverse order Connect the plug on the blue wire to the pin on the operating hours counter which is marked wi
13. Invacare Dragon Invacare Tiger SERVICE INSTRUCTIONS INVACARE FS x CE Edition 19 04 12 Yes you can SERVICE MANUAL Invacare Dragon Tiger These instructions contain information about Testing work Repair Instructions This manual is part of the instructions for use Service addresses CAD Invacare Austria GmbH T 43 6232 5 53 50 Herzog Odilostrasse 101 Fax 43 6232 5 53 54 A 5310 Mondsee info invacare austria com Austria WWW www invacare at CR Invacare n v T 32 0 50 83 10 10 BY Autobaan 22 Fax 32 0 50 83 10 11 ol B 8210 Loppem Brugge belgium invacare com eS Belgium WWW www invacare be CH Invacare AG T 41 0 61487 70 80 Benkenstrae 260 Fax 41 0 61487 70 81 CH 4108 Witterswil switzerland invacare com Switzerland WWW www invacare ch n Invacare Aquatec GmbH a 49 0 7562 70 00 CT Alemannenstra e 10 Fax 49 0 7562 7 00 66 88316 Isny info invacare aquatec com Deutschland WWW www invacare aquatec de ne Invacare A S Kundeservice 45 0 36 90 00 00 al Sdr Ringvej 37 Fax Kundeservice 45 0 36 90 00 01 DK 2605 Br ndby denmark invacare com Danmark WWW www invacare dk Ee Invacare SA T 34 0 972 49 32 00 oi Areny s n Fax 34 0 972 49 32 20 Pol gon Industrial de Celr contactsp invacare com E 17460 Celr Girona WWW www invacare es ESPA A TE Invacare Poirier SAS T 33 0 247 62 64 66 Route de St
14. NUAL Invacare Dragon Tiger zent ome pe TT Ta I e Check contacts e Clean contacts and See Changing the and terminals for terminals batteries on page corrosion 29 for safety information when handling batteries Remote Evaluate flash code status display Tighten replace blinking Replace Fixing Replace joystick Cable connecting Replace cable connector plug plug or console Joystick function Power supply Driving Check the Update the software See Updating the Programme programme driving program version of the on page 28 driving electronics Is there a newer version available Remote electronics 16 Invacare Dragon Tiger 6 1 1 Operational Faults SERVICE MANUAL Operational faults on a wheelchair fitted with Shark electronics Please proceed as follows in the event of operational faults e First of all analyse the possible cause of the disorder on the basis of the following tables e Check the status display on the remote Analyse the flashing error code e Carry out the necessary checks and repairs as recommended in the following table Diagnosis of actuation disorders PROBLEM Wheelchair will not start up OTHER SYMPTOMS Status display on the remote illuminated as normal and does not indicate a disorder code POSSIBLE CAUSE Actuation motors may be disengaged e SOLUTION Clutch in actuation motors DOCUMENTATION See operating instructions
15. Roch Fax 33 0 247 42 12 24 F 37230 Fondettes contactfr invacare com France WWW www invacare fr Invacare Dragon Tiger Ce B Invacare Ltd Pencoed Technology Park T Customer services Fax Customer services 44 0 1656 77 62 22 44 0 1656 77 62 20 SERVICE MANUAL Pencoed uk invacare com Bridgend CF35 5HZ WWW www invacare co uk United Kingdom ae Invacare Mecc San s r l 39 0445 38 00 59 lL Via dei Pini 62 Fax 39 0445 38 00 34 36016 Thiene VI italia invacare com Italia WWW www invacare it CE Invacare Ireland Ltd T 353 18 10 70 84 Unit 5 Seatown Business Campus Fax 353 18 10 70 85 Seatown Rd Swords ireland invacare com County Dublin WWW www invacare ie Ireland CMN Invacare AS Kundeservice 47 0 22 57 95 00 CT Grensesvingen 9 Fax Kundeservice 47 0 22 57 95 01 Postboks 6230 norway invacare com Etterstad island invacare com N 0603 Oslo WWW www invacare no Norge NLD Invacare B V T 31 0 318 69 57 57 w Celsiusstraat 46 Fax 31 0 318 69 57 58 NL 6716 BZ Ede nederland invacare com Nederland csede invacare com WWW www invacare nl To Invacare Lda T 351 225 10 59 46 7 Rua Estrada Velha 949 T 351 225 10 59 47 P 4465 784 Le a do Balio Fax 351 225 10 57 39 Portugal portugal invacare com WWW www invacare pt SERVICE MANUAL Invacare Dragon Tiger a terf rs ljare LS By Invacare AB Ku
16. Status display on the remote is not illuminated Batteries may be faulty Replace the batteries See Changing the batteries on page 29 Batteries may be almost empty Charge batteries See User Manual Power supply to the remote may be interrupted Check the main fuse See Checking and replacing the main fuse on page 32 Check the cable between the modules for any loose connections or damage Siehe Checking the cables on page 34 Remote may be faulty Change the remote on the wheelchair to be able to exclude the remote being the cause of the fault See Replacing the Shark Remote on page 36 Status display on remote flashing Various causes Analyse error code See Shark error codes and diagnostic codes on page 19 17 SERVICE MANUAL Invacare Dragon Tiger PROBLEM OTHER POSSIBLE SOLUTION DOCUMENTATION SYMPTOMS CAUSE Wheelchair None Batteries may be Replace the batteries See Changing the jerky in faulty instable batteries on page drive voltage 29 operation Actuation e Replace motor s Siehe Replacing motor s may be the motor on page faulty 21 Batteries None Batteries may be Replace batteries See Changing the not being faulty batteries on page charged 29 LEDs flashing on Charger may be Replace charger See operating charger faulty instructions for battery charger Wheelchair None Batteries may be e Replace
17. Wd 0 26 Replacing the Shark Electronics Pre requisites e Phillips screwdriver e To modify a drive programme you will need Programming software or a Handheld Programmer and the Installation Manual of the Shark Electronics Part Number 1436160 available from Invacare NOTE All electronic modules are supplied with a standard drive programme If the driving programme has been customised then you will have to perform this customisation again after installing the new electronic module WARNING Every alteration to the drive programme can influence vehicle handling and the tipping stability of the wheelchair e Alterations to the drive programme must only be carried out by trained Invacare dealers e Invacare can only assume a warranty for the safe vehicle handling of the wheelchair in particular tipping stability for unaltered standard drive programmes e Unscrew the handwheels screws 1 on both sides of the panelling for the electronics e Remove the electronic panelling e Disengage all the plugs 1 on the electronic module Invacare Dragon Tiger SERVICE MANUAL e Remove the screws 1 on both sides of the power module e Pull out the module e Installation of the electronics is carried out in the reverse order e Update the software in case a newer version is available e Customise the driving programme with the programming software if required e Check all v
18. batteries See Changing the drives too faulty batteries on page slowly 29 18 Invacare Dragon Tiger SERVICE MANUAL 6 1 2 Shark error codes and diagnostic codes The actuation electronics can automatically remedy certain disorders In this case the status display will stop flashing Please switch the remote on and off several times Please wait about 5 seconds every time before switching the remote on again If the error is not remedied by this please diagnose the cause on the basis on the following flashing codes FLASHING CODE Meaning Solution FLASHING CODE 1 Operational error Please ensure that the joystick is in neutral central position simply release joystick and switch on again Battery error Check battery and power cable See Checking the cables on page 34 Charge batteries If you switch the wheelchair off for a few minutes the batteries are often able to re charge sufficiently to enable a short journey You should however only use this solution in an emergency as this leads to the batteries discharging excessively See operating instructions Replace the batteries See Changing the batteries on page 29 Error on the left motor M2 Check the motor cable and U connector Check the motor See Checking the cables on page 34 See Replacing the motor on page 21 Error on the right motor M1 Check the motor cable and U
19. contact with eyes is made e Rinse the affected eye under running water for several minutes You should also consult an eye specialist immediately afterwards 29 SERVICE MANUAL Invacare Dragon Tiger 7 5 1 A A M A A 30 Removing the batteries ATTENTION Fire and burns hazard if battery terminal is bypassed e Please take great care to ensure that the battery terminals are never short circuited with tools or mechanical mobility device parts e Ensure that the battery terminal caps have been replaced if you are not working on the battery terminals ATTENTION Danger of crushing The batteries are extremely heavy This results in injury hazards to your hands e Bear in mind that the batteries are sometimes very heavy e Please handle the batteries with care Requirements e Open end spanner 11 mm e Remove the battery cover e Pull the battery pole caps 1 upward and push back in order to reach the battery poles e Use the open ended spanner to loosen the battery pole clamps e Remove the batteries to the rear Invacare Dragon Tiger SERVICE MANUAL 7 5 2 How to handle damaged batteries correctly A O ig d ie WARNING BURN HAZARD Injury hazard due to discharged acid e Always wear acid proof protective gloves when handling batteries e Always wear protective goggles when handling batteries What to do if acid is discharged e Always take clothing
20. ctronics e Remove the panelling for the electronics e Pull the motor plug on the motor to be replaced out of the electronics e The motor cable is secured to the frame with a cable binder Use the edge cutter to cut through the cable binder 23 SERVICE MANUAL Invacare Dragon Tiger e Loosen the motor suspension 1 using the 8 mm Allen key and the 19 mm open ended spanner and remove e Remove the motor from the suspension in a downward direction e Loosen the four screws 1 on the motor suspension and remove e Use the aglet and the hammer to carefully knock the splint 2 out of the decoupling leverage 1 e Remove the decoupling leverage 1 together with the decoupling rod cannot be seen in the picture on the right from the old motor amp CAUTION Damage to the motor is possible e Only apply moderate pressure to the decoupling lever when fitting to the metal rod on the new motor e Do not use a hammer e Information The simplest way to install the decoupling lever is to do this before the motor and other parts are assembled together 24 Invacare Dragon Tiger SERVICE MANUAL e Carefully press the decoupling leverage 1 onto the rod 2 protruding from the new motor e Press the splint 3 in e The motor is installed in the reverse order e Secure the motor cable by means of a new cable binder 25 SERVICE MANUAL Invacare Dragon Tiger 7 3
21. e fitted and has become wet during repair work powdering the hose with some talcum powder can simplify the fitting procedure Re insert the rim halves into the tyre from the outside Inflate the inner tube slightly with air Re apply the cylinder head bolts and screw rim together tightly Check the exact fit of the shoe Inflate the tyre to the prescribed air pressure Re check the exact fit of the shoe Screw on the valve cap Re install the wheel 7 11 2 Repairing a flat tyre pneumatic tyre equipment type 220 120 x 50 WW Pre requisites A 13 mm socket wrench 12 mm socket wrench Repair kit for inner tube tires or a new inner tube Talcum powder 45 SERVICE MANUAL Invacare Dragon Tiger Removing the wheel Jack up the vehicle place a wooden wedge under the frame Loosen and remove the screw 1 using the 12 mm socket wrench on the outside and the 13 mm socket wrench on the inside to counter Pull the wheel from the fork PLEASE NOTE Installation is carried out in reverse order Please ensure that the wheel is re fitted on the same side and in the same running direction as removed Repairing a flat tyre m ATTENTION Explosion hazard There is considerable pressure in the tyre Danger of injury Parts can be thrown out and injure you if you do not evacuate all the air from the tyre Press the release pin in the valve inwards and evacuate all the air from the tyre Unscrew
22. e right these are marked by the letters A to E e If the holding plates are in the low position see above all five positions can be used Only positions B C D and E are possible in the high position In position A there would be a collision el between the holding plate and the seat frame E This results in the following seat heights Holding plate in the low position Position of the perforated plate seat height A 42 5 cm B 44cm an C 44 cm iO D 45cm lt Gi E 45 5 cm Holding plate in the high position O O Position of the perforated plate seat height B 49 cm at a seat angle of 6 C 47 cm D 48 cm E 50 cm 7 13 1 Adjustment tables All combination possibilities of the perforated plates are shown in the following tables These values refer to a seat frame that has been secured in the second drill hole from the front The measurements were carried out as follows e Adjust the rear swivelling perforated plates hole A to E e Move the front perforated plate to the lowest possible position e Change the seat angle and the seat height via the front perforated plate 7 13 1 1 Table 1 The first table refers to the rear holding plates in the low position see illustration on the right Gd vi D D N i 50 Invacare Dragon Tiger SERVICE MANUAL Position of the rear swivelling Seat angle in Seat height in cm perforated plates
23. ehicle functions 27 SERVICE MANUAL Invacare Dragon Tiger 7 4 V 28 Updating the driving program The driving programs for electric wheelchairs are continually updated and improved by Invacare For this reason you should check whether the version number is still up to date each time a wheelchair comes in for repairs and also during regular inspections If a newer version is available the driving program must be updated The procedure for updating the driving program is described in the user manual of the Wizard software NOTE The electronic system is supplied with a standard drive program If the driving program has been customised you have to perform this customisation again after installing the new driving program WARNING Every alteration to the drive program can influence vehicle handling and the tipping stability of the wheelchair e Alterations to the drive program must only be carried out by trained Invacare dealers e Invacare can only assume a warranty for the safe vehicle handling of the wheelchair in particular tipping stability for unaltered standard drive programs Pre requisites e Dynamic Wizard software e User manual for the Wizard software e For further information on other requirements such as the minimum system configuration of the PC to be used for programming necessary programming cables see the user manual of the Wizard software You find the latest ver
24. hicle driving behaviour especially tipping stability for this standard drive program Invacare Dragon Tiger SERVICE MANUAL 3 Tightening torques The tightening torques stated in the following list are based on the thread diameter for the nuts and bolts for which no specific values have been determined All values assume dry and de greased threads Thread M4 M5 M6 M8 M10 M12 M14 M16 Tightening torque 3 Nm 6 Nm 10Nm 25Nm 49Nm 80 Nm 120 Nm 180 Nm in Nm 10 A CAUTION Damage can be caused to the mobility device due to improperly tightened screws nuts or plastic connections e Always tighten screws nuts etc to the stated tightening torque e Only tighten screws or nuts which are not listed here fingertight 13 SERVICE MANUAL Invacare Dragon Tiger 4 Arrangement of the assembly groups and components Under the seat 1 Decoupling mechanism 2 Power module 3 Perforated plates for adjusting the seat height and seat angle Under the battery cover 4 Main battery fuse Under the seat frame 5 Operating hours counter optional Invacare Dragon Tiger SERVICE MANUAL 5 Service plan 1x annually zeen Jos es rm Je Armrests and Armrest damage e Tighten Screws replace and fastening padding if damaged side panels Side panel e Tighten screws replace damage and fixing side panels if damaged 3 Cushion e Replace covers See Geh Chec
25. illustration at right e Always tighten nuts to between 3 3 and 3 5 Nm Until 03 2004 After 03 2004 1 Fuse 1 Fuse 2 Fuse compartment 2 Fuse compartment 3 Washer 3 Nut DIN 6923 4 Nut M5 Pre requisites e 8mm open ended spanner e 40A strip fuse Information If the fuse holder is damaged this can be replaced completely together with the battery cables e Remove the battery cover Invacare Dragon Tiger e The fuse holder of the Shark electronic system is located on top of the batteries 1 e Open the fuse holder cover e If the strip fuse has blown determine the cause of the fault and remedy if necessary The main fuse should only be replaced when the fault has been remedied e Use the 8mm open ended spanner to unscrew the nuts 2 on the strip fuse e Replace the strip fuse e Installation is carried out in the reverse order e Check all vehicle functions SERVICE MANUAL 33 SERVICE MANUAL Invacare Dragon Tiger 7 7 Checking the cables e Unscrew the handwheels screws 1 on both sides of the panelling for the electronics e Remove the panelling for the electronics e Check all cables for visible damage and crushing Replace damaged cables e Pull on each plug 1 carefully It must not come out of the socket e If a plug is loose apply slight pressure to push the plug into the socket It must lock in place e Check whether the plug is now fit
26. k seat angle upholstery if damaged adjustment adjustment e Replace parts if damaged Backrest unit Damage and e Replace parts if mechanical SE damaged Fixing e Tighten screws Backrest unit Check cabling e Replace cable or motor if electrical if Check function necessary installed Frame chassis e Check fixings e Tighten screws replace welded seams and components battery box battery box Wheel e Check drive e Adjust replace wheel See Replacing a suspension and w t n l kl fit hubs drive wheel on wheels play page 47 e Check steering e Replace wheels wheel See Replacing wheels for tight fit fork or wheel bearings the steering head float side play and bearings on the correct torque 15 steering wheels Nm 1 5 Nm on page 42 e Pneumatic tyres if e Repair or replace if See Repairing a available damaged flat tyre on page 44 Drive units e Check functions in e Replace motor if disengager drive and push necessary modes e Tighten screws nuts e Check disengager adjust or replace if necessary e Check welded e Tighten replace if seams necessary interlocking screws footplates Check cabling e Replace cable if Check contacts necessary Check functions Legrests Electrical footrests if installed e Check batteries e Replace batteries if See Changing the Batteries for damage necessary batteries on page 29 e Check battery e Charge batteries See User Manual charge 15 SERVICE MA
27. ndtjanst Fax Kundtjanst 46 0 8 761 70 90 46 0 8 761 81 08 FIN Fagerstagatan 9 sweden invacare com S 163 91 Spanga finland invacare com Sverige WWW www invacare se Tillverkare MOLNDAL Invacare Deutschland GmbH T 46 0 31 86 36 00 Kleiststra amp e 49 Fax 46 0 31 86 36 06 D 32457 Porta Westfalica ginvacare invacare com Deutschland LANDSKRONA T 46 0 418 2 85 40 Fax 46 0 418 1 80 89 linvacare invacare com OSKARSHAMN T 46 0 491 1 01 40 Fax 46 0 491 1 01 80 oinvacare invacare com Eastern European Distributor a 49 0 5731 75 45 40 Kerde ice Organisation EDO Fax 49 0 5731 75 45 41 Kleiststra e 49 edo invacare com D 32457 Porta Westfalica www WA n EER Deutschland Invacare Dragon Tiger SERVICE MANUAL Table of Contents Chapter Page TABLE OF CONTENTS 5 1 INTRODUCTION 7 1 1 General information 7 1 2 Notes on transport 7 1 3 Definition and representation of information and safety information in this manual 8 1 4 Hazard symbols and symbols used 9 1 5 Images in this manual 10 2 SAFETY AND FITTING INSTRUCTIONS 11 2 1 Before any inspection or repair work 11 2 2 Personal safety equipment 11 2 3 General safety information and information about fitting removal 11 3 TIGHTENING TORQUES 13 4 ARRANGEMENT OF THE ASSEMBLY GROUPS AND COMPONENTS 14 5 SERVICE PLAN 1X ANNUALLY 15 6 OPERATIONAL FAULTS 17 6 1 Operational faults on a wheelchair fitted with Shark electronics 17 6
28. ng nuts e Always use correctly dimensioned washers and spacers e When reassembling always replace any cable ties which were cut during dismantling e After completing your work before renewed start up of the mobility device check all connections for tight fitting e After completing your work before renewed start up of the mobility device check all parts for correct locking e Only operate the vehicle with the approved tyre pressures see technical data e Check all electrical components for correct function Please note that incorrect polarity can result in damage to the electronics e Always carry out a trial run at the end of your work Note Mark all current settings for the mobility aid seat armrests backrest etc and the associated cable connecting plugs before dismantling This makes reassembly easier All plugs are fitted with mechanical safety devices which prevent release of the connecting plugs during operation To release the connecting plugs the safety devices must be pressed in When reassembling ensure that these safety devices are correctly engaged WARNING Any changes to the drive program can affect the driving characteristics and the tipping stability of the vehicle e Changes to the drive program may only be carried out by trained Invacare specialist dealers e Invacare supplies all mobility aids with a standard drive program ex works Invacare can only give a warranty for safe ve
29. ounter is attached to the frame with a Velcro strip e Disconnect the cable of the operating hours counter from the drive motor e Pull the operating hours counter off of the frame e Turn the operating hours counter over e Loosen and remove the four Philipps head screws of the casing e Disconnect the plugs amp e Remove the nut 4 including the locking washer e Pull the operating hours counter 6 forwards out of the casing 1 Pay attention to the mounting bracket 5 and the retaining frame 7 e Replace the operating hours counter 38 Invacare Dragon Tiger SERVICE MANUAL CAUTION Property damage can result if the counter is incorrectly connected If the plus and minus wires are connected the wrong way it will damage the electronic components of the operating hours counter e Make sure the cable is connected correctly e The operating hours counter is installed in reverse order e Connect the plug on the blue wire to the pin on the operating hours counter which is marked with a minus symbol e Connect the plug on the brown wire to the pin on the operating hours counter which is marked with a plus symbol The brown wire is additionally marked with a yellow sleeve with a plus symbol on it e Close the casing and reattach it to the wheelchair with the Velcro fastening e Reinstall all remaining components in reverse order 39 SERVICE M
30. r Torque spanner Loctite medium hard The picture on the right shows the position of the perforated plates 1 and the fastening screws on the holding plates 2 for adjusting the seat height and the seat angle Invacare The picture on the right shows the front perforated plates The approach is similar for the rear perforated plates To adjust the front perforated plates a 13 mm open ended spanner is required in addition to the 5 mm Allen key Dragon Tiger SERVICE MANUAL To adjust the seat height seat angle loosen the screw 1 with the spanners and pull out Set the perforated plates to the desired height angle Apply the Loctite to the screw re insert the screw and tighten to 40 Nm using the spanners The seat height and seat angle can also be adjusted Ba via the rear holding plates Loosen the rear fastening screw on one side in threaded bush 1 so that the holding plate can be swivelled upward or downward Loosen the front fastening screw and remove depending on the position the screw is either in threaded bush 2 or 3 Repeat the procedure on the other side Low adjustment Hole combination 1 and 2 High adjustment Hole combination 1 and 3 Ae Apply the Loctite to the screw re position the 7 ac Ge screws and tighten to 25 Nm 3 Nm CA 49 SERVICE MANUAL Invacare Dragon Tiger The rear swivelling perforated plates have five positions In the illustration on th
31. s to avoid injury to the user or damage to the product DANGER OF CRUSHING This symbol warns you of crushing hazards due to inattentive working with heavy components e Always follow the instructions to avoid injury to the user or damage to the product EXPLOSION HAZARD This symbol warns you of an explosion hazard which can be caused by excessive tyre pressure in a pneumatic tyre e Always follow the instructions to avoid injury to the user or damage to the product Wear safety shoes The symbol refers to the requirement for wearing safety shoes e Wear standardised safety shoes during all work Wear eye protection This symbol refers to the requirement for wearing eye protection for example when working with batteries e Wear eye protection when this symbol is shown Wear safety gloves This symbol refers to the requirement for wearing safety gloves for example when working with batteries e Wear safety gloves when this symbol is shown Note This symbol identifies general information which is intended to simplify working with your product and which refers to special functions Requirements e This symbol identifies a list of various tools components and items which you will need in order to carry out certain work Please do not attempt to carry out the work if you do not have the listed tools available Always dispose used or damaged batteries correctly The symbol refers
32. sion of the user manual in the download area on http Awww dynamiccontrols com Invacare Dragon Tiger SERVICE MANUAL 7 5 amp gt Gor p gt Changing the batteries ATTENTION Injury hazard and possible material damages if batteries are handled improperly e The installation of new batteries may only be carried out by authorised specialists e Observe the warning information on the batteries e Only use battery versions stated in the specifications ATTENTION Fire and burns hazard if battery terminal is bypassed e Please take great care to ensure that the battery terminals are never short circuited with tools or mechanical mobility device parts e Ensure that the battery terminal caps have been replaced if you are not working on the battery terminals ATTENTION Danger of crushing The batteries are extremely heavy This results in injury hazards to your hands e Bear in mind that the batteries are sometimes very heavy e Please handle the batteries with care WARNING BURN HAZARD Injury hazard due to discharged acid e Always wear acid proof protective gloves when handling batteries e Always wear protective goggles when handling batteries What to do if acid is discharged e Always take clothing which has been soiled by or dipped in acid off immediately e Rinse any areas of your skin which has come into contact with battery acid off immediately with plenty of water If
33. ted firmly inside the socket If not please repeat the preceding work step e Remove the battery cover e Check the battery cables 1 for visible damage and crushing Replace damaged cables 34 Invacare Dragon Tiger SERVICE MANUAL e Re install the panelling for the electronics and the battery cover e Check all vehicle functions 35 SERVICE MANUAL 7 8 Replacing the Shark Remote A 4 Pre requisites di e 3 mm Allen key Invacare Dragon Tiger e Switch off the remote e Loosen the wing screw 1 e Pull the remote out of the guide together with the remote holder e Use the Allen key to unscrew both screws 1 on the remote holder e Unscrew the handwheels screws 1 on both sides of the panelling for the electronics e Remove the panelling for the electronics 36 Invacare Dragon Tiger e Disengage the remote plug e The installation of the remote and the panelling for the electronics is carried out in the reverse order e Check all vehicle functions SERVICE MANUAL 37 SERVICE MANUAL Invacare Dragon Tiger 7 9 Operating hours counter 7 9 1 Replacing the operating hours counter Requirements e Philipps screwdriver size 2 e 10mm open end wrench e Switch off the electronics e Remove the legrests e Loosen and remove the thumb screws 1 on both sides of the electronics cover e Remove the electronics cover The operating hours c
34. th a minus symbol Connect the plug on the brown wire to the pin on the operating hours counter which is marked with a plus symbol Secure the cable with a cable tie 3 thereby protecting it from being pulled off unintentionally Close the casing and reattach it to the wheelchair with the Velcro fastening Reinstall all remaining components in reverse order 41 SERVICE MANUAL Invacare Dragon Tiger 7 10 A Wd 42 Replacing the steering head bearings on the steering wheels WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e You should seek help from a second person Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges CAUTION Incorrect reassembly can damage the bearings and cause the steering wheels to fall out The single row angular ball bearing rings are not identical on both sides There is only one correct way to insert them e Follow the assembly instructions precisely Required parts tools e 19mm socket wrench e Torque spanner e Large screwdriver flat e Wooden chock approx 12 x 12 x 30 cm for jacking up the vehicle e Use the wooden chock 1 to jack up the wheelchair on the side on which the ball bearings are to be replaced e Carefully remo
35. the vehicle secure the wheels by blocking them with wedges 7 11 1 Repairing the flat tyre pneumatic tyre equipment type 12 x 2 WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e You should seek help from a second person 1 D Pre requisites A e 5mm hexagon socket wrench e Repair kit for inner tube tyres or a new inner tube e Talcum powder Dismantling the wheel e Jack up the vehicle place a wooden wedge zar WW under the frame ff e Unscrew the countersunk screw 1 e Remove the wheel from the axle PLEASE NOTE Installation is carried out in reverse order Please ensure that the wheel is re fitted on the same side and in the same running direction as removed 44 Invacare Dragon Tiger SERVICE MANUAL Repairing the flat tyre A ATTENTION Explosion hazard There is considerable pressure in the tyre Danger of injury Parts can be thrown out and injure you if you do not evacuate all the air from the tyre Press the release pin in the valve inwards and evacuate all the air from the tyre Unscrew the valve cap Exhaust the air from the tyre by pressing the spring pin in the valve Unscrew 5 cylinder head bolts reverse side of the wheel 2 Remove the rim halves from the shoe Remove the inner tube from the tyre Repair the tube and re fit or fit new tube PLEASE NOTE If the old tube is to be repaired and r
36. to immediate hazards e The following lines in italics refer to actions which serve to avoid such hazards WARNING The signal word WARNING refers to possibly occurring hazards which can lead to death or serious injuries if they are not avoided e The following lines in italics refer to actions which serve to avoid such hazards ATTENTION The signal word ATTENTION refers to possibly occurring hazards which can lead to minor injuries and or material damage if they are not avoided e The following lines in italics refer to actions which serve to avoid such hazards CAUTION The signal word CAUTION refers to hazards which could lead to material damage if they are not avoided e The following lines in italics refer to actions which serve to avoid such hazards Note The signal word Note is used to denote general information which simplifies the handling of your product and refers to special functions Invacare Dragon Tiger SERVICE MANUAL 1 4 9o EE E P e Ka Hazard symbols and symbols used Different types of hazard symbols and symbols are used throughout this manual General hazards This symbol warns you of general hazards e Always follow the instructions to avoid injury to the user or damage to the product BURN HAZARD This symbol warns you of the danger of chemical burns for example due to the discharge of battery acids e Always follow the instruction
37. ve the nut incl the washer e Remove the screw incl the safety belt the washer 2 and the washer arranged behind Note QO Another nut is fixed between the two washers 2 and 4 as a spacer so that the belt mounting can rotate freely e Replace the safety belt 1 Refitting the safety belt e Refit the parts in reverse order 7 15 Testing an actuator motor A Required parts tools gei e Multimeter e The electric resistance of the adjustment motor is to be checked at the connection assembly In case this is close to infinite the motor is probably burnt out If it is less than 1Q the motor has short circuited In either case the motor must be replaced 54
38. ve the plastic cap 1 using the large screwdriver Invacare Dragon Tiger SERVICE MANUAL e Use the socket wrench to loosen and remove the 19 mm nut Hold the wheel in such a way that it is not able to rotate when the nut is removed e Pull the steering head shaft downward and out of the steering head tube e Remove the shim and the ball race from the head of the tube The other ball race should be on the shaft IMPORTANT ASSEMBLY INFORMATION The illustrations show the wide edge on the outside of the ball race A and the narrow edge on the inside B The bearings must always be installed in such a way that the narrow edges are facing each other inside The steering head bolt and the nut must always press against the wide outside edges The bearings would otherwise be pressed apart by the bolt pressure The steering wheels should be able to rotate freely after assembly but there must not be any clearance on the bearings e Tighten the nut primarily to 20 Nm 2 Nm e Slacken the nut slightly e Re tighten to 15 Nm 1 5 Nm 43 SERVICE MANUAL Invacare Dragon Tiger 7 11 Repairing a flat tyre WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e You should seek help from a second person Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive e Before raising
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