Home

B400 Power Wheelchair Service Manual

1. When installing the lamp make sure that the nose of the bulb engages in the notch on the socket When reinserting the protective glass make sure it sits correctly in the housing Snugly tighten the screws on the protective glass to prevent moisture from entering the lamps 41 OMe Rock QUALITY FOR LIFE Fig 36 Replacing the bulbs of rear direction indicator and rear light 1 Direction indicator bulb 2 Rear light bulb 6 10 Seats A CAUTION Risk of burns when near to fire The backrest and seat of the B400 power wheelchair are flame retardant but nevertheless flammable Therefore utmost caution near any sources of open flame or sparks especially lit cigarettes is required NOTICE Risk of damage to the seat padding When working on the seat the padding must be sufficiently protected against mechanical and chemical stresses 6 10 1 Replacing the Bearing Plate Tools g Allen wrench size 5 mm O Ring wrench or open end wrench size 13 mm Steps 1 Loosen the three Allen head screws marked with an arrow 2 Remove and replace the bearing plate if necessary INFORMATION The fourth screw in the middle of the plate serves as stop for the back angle adjust ment 42 de Rock QUALITY FOR LIFE Fig 37 Replacing the bearing plate 6 10 2 Standard Seat Replacing Adjusting the Back Upholstery Steps 1 Completely pull off the back upholstery and individually r
2. Side panels see Section 6 5 Footrests see Section 6 6 Wheels see Section 6 7 Motors see Section 6 12 Properly reassemble all components upon termination of the work 47 OMe Rock QUALITY FOR LIFE INFORMATION Electrostatic charging caused by friction for example can result in discharge high voltages with low current when touching the wheelchair however this does not represent any health risk This reduction of comfort can be prevented by attaching an earthing strap to the drive unit sustainer wheelchair frame 6 12 Replacing the Drive Motor A CAUTION Risk of injury due to electric current Prior to working on the drive motors turn off the control of the B400 power wheelchair and disconnect all plug connections to the control electric module Preparation O Disassemble the drive wheel see Section 6 7 3 Tools O Open end wrench size 13 mm Steps 1 Disconnect the motor from the controller 2 Loosen the four self locking nuts 3 Remove and replace the motor if necessary Properly reassemble all components upon termination of the work Fig 44 Replacing the drive motor 6 13 Brakes and Brake Release The brake release mechanism is located on the left and right sides of the motors It is a functional component of the drive motors and cannot be repaired separately If no braking effect is available the motors must be replaced see Section 6 12 48
3. de Rock QUALITY FOR LIFE 6 14 Accessories 6 14 1 Retrofitting Mechanical Seat Tilt Mechanism Preparation O Remove the seat plate Tools fJ Allen wrench sizes 2 4 5 mm O Ring wrench or open end wrench sizes 10 13 mm Steps 1 2 3 Remove the cover stopple frame the frame Insert the lower receiver for the gas compression spring into the frame on the left side into the frame cutout Fig 45 1 on the right side into the half oval frame hole Fig 45 2 Insert an Allen head screw from above Slide on the supplied spacer bushings from underneath and secure them with nuts Fig 45 3 INFORMATION t is very important to use spacer bushings to prevent the frame from warping 4 Insert an Allen head screw at the third attachment point of the lower gas compression spring receiver into the existing bore hole beneath the drive unit sustainer and tighten Fig 45 4 5 Remove the anterior seat bracket 6 Mount the crossbrace for the upper gas compression spring receiver Fig 45 5 Move the upper end of the gas compression spring between the two noses of the crossbrace Mount the threaded sleeve while sliding a spacer sleeve on each side between the nose and spring Fig 45 6 Mount the lower end of the gas compression spring with the gas compression spring receiver with threaded sleeve as described in instruction 7 Mount the Bowden cable on the side opposite to the contro
4. f the outputs of the left and right motors have been inverted during programming this paragraph refers to the right motor Please contact Otto Bock if you have any questions Right motor disconnected The control system has detected that the right motor is disconnected Check the right motor and its plug connections check the cabling If the error persists there might be a defect in the electric module INFORMATION If the outputs of the left and right motors have been inverted during programming this paragraph refers to the left motor Please contact Otto Bock if you have any questions Error in the cabling of the right motor The control system detects errors in the cabling to the right motor especially if there is a short circuit in the connection between the motor and battery Check the plug connections and cabling of the right motor If the error persists there might be a defect in the electric module INFORMATION If the outputs of the left and right motors have been inverted during programming this paragraph refers to the left motor Please contact Otto Bock if you have any questions Battery charger is connected The control system has detected that an external battery charger is connected Disconnect the battery charger If the error persists there might be a defect in the joystick module S Possible joystick error The control system detects problems with t
5. 3 pole plug for control of the lamps on the left side Connector socket 2 3 pole plug for control of the lamps on the right side Connector socket 3 Socket for connection to the electric module control panel of the VR2 L control Table 4 Connector sockets on the light module Preparation O Mount the VR2 L control panel O Put out the supplied cables and plugs Tools O Phillips screwdriver Steps 1 Remove the cover of the controller 2 Attach the light module in vertical position besides the controller by screwing M3 5 screws into the pre drilled holes see Fig 31 the connector sockets must face down 3 Firmly plug the connection cable into the middle connector socket and connect the light module with the electric module control panel of the VR2 L control see Fig 31 4 The light module is ready for the retrofit with lights 37 OMe Rock QUALITY FOR LIFE Fig 30 Mounting the light module DETAIL VIEW FOR CABLING OF THE LIGHT MODULE VR2 L O LIGHT MODULE 123 Earth Lamps nh Direction indicators To the electric module e 123 Earth A A Lamps VR2 Direction indicators N gt PER VIEW ON THE LIGHT MODULE Connector Function Pin 1 Earth Pin 2 Lamps Pin 3 Direction indicators Fig 31 Conne
6. QUALITY FOR LIFE Fig 50 Assembling the holding device for headrest attachment 6 14 7 Retrofitting a Lap Belt option The lap belt is available for both seat models and must be attached to the sides It is not neces sary however to additionally attach it to the rear side of the seat frame The belt must be attached to the bearing plate with an attachment plate with eyelet and a screw Fig 51 Retrofitting a lap belt 6 14 8 Mounting a Luggage Carrier option Preparation O First disassemble the rear lights if present Tools Allen wrench size 6 mm Steps 1 Mount the luggage carrier to the prefabricated bore holes in the rear frame see Fig 52 53 OMe Rock QUALITY FOR LIFE Fig 52 Mounting a luggage carrier 7 Error Diagnosis NOTICE Damage as a result of unauthorized service An improperly or poorly executed repair can cause unsafe operation of the power wheelchair The error diagnosis may therefore only be carried out by authorized dealers who have profound knowledge of electronic controllers from Otto Bock Otto Bock will not assume any liability for damages that are due to improperly or poorly executed repair INFORMATION According to experience problems with the electrics of the wheelchair very often are caused by faults and defects of the plug connections and cabling They should be inspected first for this reason Errors are displayed either by flash
7. Joystick error 7147 User 11 Joystick was moved when switching on 7902 14 High temperature Other 7 or 8 7 or 8 Possible errors in the control system codes Table 7 List of error codes 57 Ade Bock QUALITY FOR LIFE No Cause measure Low battery voltage The control system has detected a decline of the battery voltage to below 16 V Check the condition of the batteries and the connections to the control system If the error per sists there might be a defect in the electric module INFORMATION If error code 2CO2 applies the control system creates a log about the frequency of switch offs caused by low battery voltage Left motor disconnected The control system has detected that the left motor is disconnected Check the left motor and its plug connections check the cabling If the error persists there might be a defect in the electric module INFORMATION f the Outputs of the left and right motors have been inverted during programming this paragraph refers to the right motor Please contact Otto Bock if you have any questions Error in the cabling of the left motor The control system detects errors in the cabling to the left motor especially if there is a short circuit in the connection between the motor and battery Check the plug connections and cabling of the left motor If the error persists there might be a defect in the electric module INFORMATION
8. Turn Acceleration parameter Turn Deceleration Single steps from O to 100 Adjusts the value for turning deceleration or braking of the wheelchair A higher value gives faster deceleration This programmed value of deceleration occurs when speed setting 5 is selected Its value at other settings depends on the value of the Minimum Turn Deceleration parameter Forward Speed Single steps from O to 100 Adjusts the minimum and maximum values for forward speed of the wheelchair A higher value gives a faster speed The minimum value occurs when the speed setting 1 is selected and the maximum value occurs at speed setting 5 Reverse Speed Single steps from O to 100 Adjusts the minimum and maximum values for reverse speed of the wheelchair A higher value gives a faster speed The minimum value occurs at speed setting 1 and the maximum value occurs at speed setting 5 Turning Speed Single steps from O to 100 Adjusts the minimum and maximum values for the turning speed of the wheelchair A higher value gives a faster speed If Drive Profile O is selected then the minimum value occurs when speed setting 1 is selected and the maximum value occurs when speed setting 5 is selected 63 CMe Bock QUALITY FOR LIFE Parameter Power Setting range Single steps from 0 to 100 Description Sets the power of the wheelchair Power is the ability of a wheelchair to climb a hil
9. forward Error in the motor or brake Check replace the motor brake The motor or one brake run hot Error in the motor or brake Check replace the motor brake Battery gets discharged too quickly Used or damaged batteries are used A defective or unsuitable battery charger is used check the operation of the battery charger Wrong batteries are used The motor is blocked or one brake is stuck Check and replace the battery if necessary Replace the battery charger Select the appropriate type of bat tery with the aid of the instructions for use Replace the motor Table9 Other errors 60 Oho Rock QUALITY FOR LIFE 8 VR 2 Wheelchair Control Installation and Programming 8 1 Overview The VR2 control offers the possibility to display causes of error messages Error sources in the drive section and in the electric options are indicated by flashing of the LEDs of the control see Section 7 2 The parameters can be changed with the hand programming device or using a PC software and interface cable can be ordered separately 8 2 Installation and Wiring VR2 CONTROLLER CONNECTION VR2 50 70 Motor 1 BATTERY Motor 2 Motor brake ve oe ees Motor brake ve Motor brake ve Gun Sand Motor ve EZA Motor ve Motor ve SS KES L Protect T switch Si ie 12V 24V gt Brak
10. 3 2 Charging the Batteries ssscsccccnccsssenssssesssscansnensausnensssenenecaneansnsssssaseaeaganenssnssananes 18 6 3 3 Replacing the BAtteri s csccccccssssensssssscsseneenecennsnensssseenecaaeananssnssensansnaagansnssessananes 19 6 3 4 Removing the Battery Case uu scsccscssssssssssssceneenensnnsnensseseesecsanananssnsnensaseceagansnssensananes 20 6 3 5 Laying New Battery Cables cscsccscsssssseseesscenecsenenennensssssenensnaansnssnssessasacansanenssessananes 20 6 4 Replacing the Controller sasisincdisacceceswicnsantanssacsncwsivconvdisunanninataceisbadendadnnaantwnecwanseadsava 21 6 5 Side Panels s z ilan kita yesala anabno An aA eda rav d n Wa kn ae ka aa ka Q na va na wa wa xan n data 22 6 5 1 Adapting Replacing the Side PANels 1 sscccscccsssssecssenssessncnsenssnanssnssnensnassnensnensnens 22 6 5 2 Replacing the Clothing Protectors sssccccccccessssssssensscseesecnansanesnssensseesaagansnsssnsananes 24 6 6 ge oy 1 5 SEE Renee ee ee en se Pe ee ee ne E Pere es eee eee 25 6 6 1 Adapting Replacing the FOotrests 1 scssscssssssssssesssnssenssensensssnssnassecsssansnansnensnnes 25 6 6 2 Replacing the FOOtUDlOtes cccccccccsssnsssscenscenecsenennsnenssseeesecaanauanesnseeseansnanganenssensananes 28 OMe Bock QUALITY FOR LIFE NY gg emer ee ee Te eee eee eno ee ee errr 29 6 7 1 Inspecting the General Condition 11ssscscsceeessnsssssnenescseeseasansnanesnseeneasaaaaeanenessesanane
11. Only original spare parts may be used for all service and maintenance NOTICE Damage as a result of non compliance with maintenance intervals Otto Bock HealthCare GmbH recommends to have the B400 power wheelchair serviced and inspected by authorized personnel for functional reliability and driving safety once a year If case of frequent user changes growing children or adolescents or in case of users with changing clinical conditions the wheelchair should be inspected readjusted and serviced every six months OMe Bock QUALITY FOR LIFE NOTICE Damage as a result of non observance of the service documents Knowledge of the service docu ments and of the instructions for use is a basic prerequisite for proper service Prior to the execution of any works the service and maintenance instructions must be studied care fully The service manual is applicable in combination with the instructions for use and the spare parts catalogue All documents must be used conjointly All safety instructions contained in this service manual and in all other applicable documents must be observed and complied with They must at any time be available to the service and maintenance staff NOTICE Damage due to exposure to extreme temperatures The B400 may be used within a temperature range of 25 C to 50 C It must not be operated outside this temperature range NOTICE Damage caused by overload
12. control system has recog Interpret the flashing signals see Table 6 nized an error Connect the programming device read the error code see Table 7 and find out the type of error see Table 8 Slow flashing There is no error release in the Read the control system s error diagnostic log and find out the type of error see Section 7 3 Charge the batteries Display is perma nently lit There is no error release in the control system but maybe an er ror has been released earlier Read the control system s error diagnostic log and find out the type of error see Section 7 3 Display is not lit Control system is not ener gized Check the remaining battery capacity Check all connections between the battery and control system If the connections are okay maybe the electric module is defective Table 5 Identifying LED error messages 55 OMe Rock QUALITY FOR LIFE The following table lists the error messages flashing signals on the LED display field Battery capacity as well as causes and corrective measures Flashing LED s Error warning Cause Measure Low battery capacity Total battery dis Charge the battery motor Defective motor nection O Battery cable malfunc charge tioning faulty connection Check the connection to the to the battery battery in case of proper connection charge the bat tery B Faulty cabling of the left E g fau
13. flames are not permitted Sparks must be avoided Explosive gases can develop while the batteries are charging Observe the safety instructions of the manufacturer of the battery Wear protective goggles Provide for sufficient ventilation when charging the batteries in closed rooms Drive batteries can supply very high energies and arcs can occur when they are short circuited There fore always disconnect the batteries when working on the motor control or wiring A CAUTION There is a risk of polluting the environment with battery acid The batteries of the power wheelchair contain a toxic acid They must not be disposed of with regular domestic waste and the battery acid must not enter the sewage water system or ground You must observe the battery manufacturer s instructions printed on the batteries NOTICE Risk of battery damage Always use insulated tools when working on the batteries in order to prevent short circuits Avoid deep discharge of the batteries in order to prevent function failure and permanent damage to the batteries When connecting the batteries and the device for measuring the battery s capacity ensure correct pole assignment The standard version of the B400 power wheelchair includes two 12 V lead acid batteries with a capacity of 50 Ah During the charging process the water acid mixture is converted into gas for a short time It is optionally possible to equip the B400 power wheelchair
14. of Pneumatic Tyres Both the casters and drive wheels have two piece rims which can be separated by removing the Allen head screws Tools g Plastic tyre mounting levers O Inner tube repair kit O Allen wrench size 6 mm Steps Let the air out of the tyre Loosen all five Allen head screws Separate the two parts of the rim from each other Lever the casing over the wheel rim Push the valve inside the rim and pull out the inner tube O O A OND Repair the inner tube with a standard bicycle repair kit or replace it 29 OMe Bock QUALITY FOR LIFE Properly reassemble all components upon termination of the work Fig 19 Removing the casing 6 7 3 Replacing the Drive Wheel NOTICE Damage as a result of improperly prepared maintenance Secure the B400 power wheelchair with suitable objects e g pieces of wood to prevent it from slipping or tipping over The drive wheels must be able to rotate freely Steps 1 Jack up the drive wheels 2 Loosen all four Allen head screws remove the wheel and replace it if necessary Properly reassemble all components upon termination of the work inrormation When reassembling the wheel tighten all four Allen head screws with a torque of 25 Nm Fig 20 Disassembling the drive wheel 30 lo Rock QUALITY FOR LIFE 6 7 4 Replacing the Wheel Flange Preparation O Remove the wheel Tools Wrench socket size
15. to outside through the holes and tighten Fig 26 Mounting the splash guard for caster forks 34 de Rock QUALITY FOR LIFE 6 8 Control Panel Light Module 6 8 1 Replacing the VR2 VR2 L Control Panel The control panel must be dis and reassembled not only in case of replacement but also for mounting of the VR2 L control panel for control of the optional lights Tools O Phillips screwdriver Steps 1 Loosen the two Phillips head screws on the holder 2 Remove the control panel and replace it with a new one or with the VR2 L control panel Properly reassemble all components upon termination of the work Fig 27 Replacing the control panel Fig 28 Additional functions of the VR2 L control panel 1 Light key 2 Warning flasher key 3 Direction indicator key right left 35 Ade Bock QUALITY FOR LIFE The VR2 L control panel features additional keys to control the light function Key Function Light key Turns the front rear lights on and off Warning flasher key Turns the warning flasher on and off all four direction indicators flash simultaneously Direction indicator right left Turns the direction indicators on and off indicators automatically stop flashing after 20 seconds Table3 Function of the additional keys of the VR2 L control panel 6 8 2 Replacing the Control Panel Holder The control panel holder for the B400 power wheelchair is clamped to the underside of the armres
16. 18 mm Pull off tool Steps 1 Loosen the wheel flange screw see Fig 21 2 Remove the wheel flange using the pull off tool and replace if necessary see Fig 22 Properly reassemble all components upon termination of the work INFORMATION When reassembling tighten the wheel flange with a torque of 55 Nm Fig 21 Loosening the wheel flange screw Fig 22 Applying the pull off tool 31 OMe Bock QUALITY FOR LIFE 6 7 5 Mounting Splash Guards for Drive Wheels option NOTICE Damage as a result of improperly prepared maintenance Secure the B400 power wheelchair with suitable objects e g pieces of wood to prevent it from slipping or tipping over The drive wheels must be able to rotate freely The splash guard must be screwed to the motor suspension Preparation O Disassemble the drive wheels Tools Allen wrench size 4 mm O Ring wrench or open end wrench size 10 mm Steps 1 Apply the splash guard to the motor suspension so that the attachment holes coincide 2 Insert two carriage screws and fasten with self locking nuts Fig 23 Mounting splash guards for drive wheels 6 7 6 Replacing the Caster NOTICE Damage as a result of improperly prepared maintenance Secure the B400 power wheelchair with suitable objects e g pieces of wood to prevent it from slipping or tipping over The drive wheels must be able to rotate freely INFORMATI
17. Comments The maintenance service was carried out by Place date Signature 69 70 OMe Rock QUALITY FOR LIFE Hersteller Manufacturer Otto Bock HealthCare GmbH Max Ndder StraBe 15 37115 Duderstadt Germany National Telefon 0 55 27 848 1461 1462 1463 Fax 0 55 27 848 1460 International Phone 49 5527 848 1590 Fax 49 5527 848 1676 e mail reha ottobock de Internet http www ottobock com Versandanschrift fur Racksendungen Address for Returns Otto Bock HealthCare GmbH Lindenstra e 13 07426 K nigsee Germany i ni lil 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 07 08 1 Otto Bock 647G486
18. Mo Bock QUALITY FOR LIFE B400 Power Wheelchair Service Manual Edition 7 08 1 Editorial date 23 07 2008 Otto Bock HealthCare The dissemination and duplication of the service manual and all accompanying documents as well as the utilization and com munication of its content is prohibited unless explicitly authorized in writing by Otto Bock HealthCare GmbH Failure to comply results in liability for compensation We reserve the right to file for patents utility models and designs Oo Rock QUALITY FOR LIFE Service Manual for the B400 Power Wheelchair Contents Page 1 Ge ral InforinotlOll i s xis l ns k n nlnin nek banl san n n dika ban ba e aa ua sk ha bk ak dwa ca AE dae ek k 6 1 1 PCTS u day l uyaleniiloydn ala nakana danana ayda kanada kala tanan kuya kanala anan na a ak dayn Ran naa ni ok UU aku Za uan Wa n n 6 1 2 Ihter d d S i ia ii as yi ar n ta d nani bakan awan bn a b qua n araba nada bin da n ka waki EE U BA n n u ua kana k n L n 6 2 Sa tety WSU al ez o 1 GRS PSDK MAE SEE E a a a E a a a a a a a N 7 2 1 Explanation of SymbolS u uuuEmEkkaaananaaaaaaanan akan naka nA RAWA KA AH HAAA ww a aA xu Wa u a a a a a 7 2 2 Sta dards and Direttive S kass iuunan nalanl nayianak yaaa nnn kad kanunu i 7 2 3 General Safety Instructions cscscsssrscssnscecsnnescecnenerscnescacsnnsracavarsensnarans
19. OIMPS sssscsccessscsenennsnsenennensenensensenensnssssenanusnsenanssnsanensensanensans 40 Lomi tea tse cae ene ne eno RAP ee non a ee en ery la ka xa ahaa a ney eee ban yak ran na ka b n 42 6 10 1 Replacing the Bearing Plate u EuE EEE anka kaka akan xan kra kk nA WAW A HKH HRW A AR 42 6 10 2 Standard Seat Replacing Adjusting the Back Upno ster 43 6 10 3 Standard Seat Replacing the Seat Frarme sssssssssceccsessenssssesessesensasaaenenssssnananes 43 6 10 4 Standard Seat Replacing the Seat Plate s sssssscscccesssnssssesssecneessseneanenssessenanes 44 6 10 5 Standard Seat Changing the Seat Height sssssscscccesssssssssssssenesssseaesnenssessenenes 45 6 10 6 Standard Seat Setting the Seat Inclination E EEEEE 45 6 10 7 Standard Seat Replacing Setting the Side Panel Attachment Devices 46 6 11 Replacing the Drive Unit SUStq ner 1csessccccnsensessnsenenenssesensnnensessenennensssnenennes 47 6 12 Replacing the Drive Motor scssczcccce cn ccesicnctinczanas vebvaesscdeauascnruaipeutsasauasadaiueelexeiteneenas 48 6 13 Brakes and Brake REICOSC cccsssssseccccsssneeseccsansnneseensnsannsseesessannessensnsannessesenaas 48 6 14 FCCC SS OMS rs ican ec niya A AAEE else de E A d 49 6 14 1 Retrofitting Mechanical Seat Tilt MCCHONISIN 11ssscccsccsesssnsssnesnsseneeseaennanenessesanenes 49 6 14 2 Attach
20. ON When mounting the caster make sure that the caster and drive wheel are in line Tools g 2x Allen wrench size 4 mm 32 ho Rock QUALITY FOR LIFE Steps 1 Loosen the Allen head screw 2 Remove and replace the caster if necessary Properly reassemble all components upon termination of the work inrorwation When reassembling tighten the Allen head screw with a torque of 55 Nm Fig 24 Disassembling the caster 6 7 7 Replacing the Caster Fork INFORMATION Do not tighten the fork to snugly the fork must be able to turn by approximately 180 with a jerk The caster forks of the B400 power wheelchair are supplied complete Tools fJ Wrench socket size 19 mm Steps 1 Remove the black plastic cap 2 Loosen the nut 3 Remove and replace the caster fork if necessary Properly reassemble all components upon termination of the work 33 Ade Bock QUALITY FOR LIFE Fig 25 Standard caster fork 6 7 8 Mounting Splash Guards for Caster Forks option INFORMATION When mounting the caster make sure that the caster and drive wheel are in line The splash guard for casters must be attached to the caster fork Preparation fJ Disassemble the caster Tools fJ Allen wrench size 3 mm Steps 1 Apply the splash guard to the caster fork so that the attachment holes coincide 2 Insert two Allen head screws from inside
21. The maximum load for the B400 power wheelchair is 140 kg 309 Ibs INFORMATION Familiarize yourself with the functions of the product If you are not familiar with the product read the instructions for use before inspecting the product The instructions for use can be requested from the manufacturer see the overview of all Otto Bock branches Otto Bock Worldwide Other documents can be downloaded from the homepage of Otto Bock HealthCare GmbH at www ottobock de or www ottobock com 2 4 Safety Instructions Regarding the Use of Tools and Auxiliary Means A CAUTION Health risk as a result of using inappropriate tools For carrying out the works only use tools which are suitable for the conditions prevailing at the workplace and which ensure safety and health protec tion if used properly Test the proper function prior to using the tool For use of the work equipment also take the ergonomic relations between the workplace work equiment work organization work flow and task into consid eration this especially applies to the body posture assumed when using the work equipment A CAUTION Health risk as a result of using inappropriate work clothes Make sure to wear the legally prescribed protective clothes A CAUTION Risk of injury when lifting or jacking up components or work equipment If any repair or maintenance is done requiring components or work equipment to be lifted or jacked up s
22. a result of improperly prepared maintenance e For all maintenance works the B400 power wheelchair must be switched off and the fuse be removed This does not apply to functional tests of the electrical components e Secure the product to prevent it from tipping over or falling off the workbench e Some components of the power wheelchair are very heavy such as the batteries frame seat and motors If the use of hoisting devices is required they must have a sufficient capacity e Clean or disinfect the product before you start the inspection Consult the instructions for use regard ing product care or product specific inspection information NOTICE Damage as a result of unsecured screw connections Unsecured screw connections can become loose while using the product Secure screws and nuts After you have finished assembly the screw connections must be tightened with sufficient strength If tightening torque values are specified they must be observed The screws and nuts for many of the screw connections are equipped with thread lock If you have to undo such screw connections the nuts or screws must be replaced with new ones equipped with thread lock If new screws or nuts with thread lock are not available apply a medium strength liquid thread lock substance such as Loctite 241 or Euro Lock A24 20 to the existing screws NOTICE Risk of damage to the paddings When working on the seat the padding must be sufficiently p
23. aatenasaeisbuivebienaeeceeulnnntessaiuessuiasiieiernmiatasents 61 8 3 Programming TOONS wiiecesivcscataiiceuntauidecwiscustnusintaiwaceudesdestonsduuntuddamiunnsenbsounnawncewnisncaeas 62 8 3 1 Hand Programming De VICEC 1s1ssssescenennnensnnsneseseenenanaanaesesnsessaasananesessessseasanenesnsnenes 62 8 3 2 PC Programming Device iiii cecssisesehecticeccteniaveedesieceeunlsnseleasiveleacolaiustanevoeciviacinueiiaveds 62 8 4 Programmable Parameters 11ssccsesccccnevenenensenenensnsenansnenenesesanssssenansesansnsssnensesenens 63 8 4 1 Speed Setting si i iyana ania aaa n ba na a Hun n ay R dah RU na aa Wu ER Ra a ka 63 8 4 2 Setting Of General Parameters EEEsaa kaka kaka axak krna nA n A HK kK kk Au AR E W WE Hu Wn 66 8 4 3 Programming of the Light Module E u uEL Eka an anak axak kun kak KRA 67 8 4 4 LOO FUDCtlOD sssini xuanana nan kana ka reyan ana dal a nan Wana ai A WL ER a ka A WA Ra n 67 9 Maintenance and Service Plan B4O0 ccccccscssseeeceeesesseeeeeeeeeeseeeeeeeeeaseeeeeeeeasseseesees 68 OMe Rock QUALITY FOR LIFE 1 General Information 1 1 Preface This service manual describes all regularly required maintenance work as well as all repair and replacement work on the B400 from Otto Bock HealthCare GmbH It provides the authorized dealer with all the knowledge required to eliminate malfunctions and mechanical defects on components of t
24. air all offering the same setting and attachment options The length and position of the footrests can be individually ad justed to the wheelchair user As an alternative to the standard version elevating footrests with calf and knee pads can option ally be installed Tools 1J Allen wrench size 5 mm O Allen wrench size 6 mm O Ring wrench or open end wrench size 10 mm a Adapting to the lower leg length Steps 1 Pull the footrest release rearwards and pull out the footrest upwards see Fig 13 2 Loosen the two set screws see Fig 14 3 Adjust the length by pulling out or pushing in the footrest tube Properly reassemble all components upon termination of the work Fig 13 Releasing the footrest 25 OMe Bock QUALITY FOR LIFE Fig 14 Adjusting the lower leg length 1 Set screw b Adapting to thigh length This adjustment is made on footrest holder which is attached to the seat frame Steps 1 Pull the footrest release rearwards and pull out the footrest upwards see Fig 13 2 Loosen the two Allen head screws on the rear side of the receiver 3 Loosen the two Allen head screws on the left and right sides of the seat frame 4 Separate the footrest tube from the receiver or adjust it to another length Properly reassemble all components upon termination of the work Fig 15 Adapting the footrest to the thigh length c Mounting elevating footrests with calf and knee pads Tools O Alle
25. as a result of improper battery handling For battery handling observe the follow ing e Immediately charge the battery if only one LED is flashing in the LED display Battery capacity e Do not charge if green LEDs are lit e When the B400 power wheelchair is not used over extended periods of time charge the wheelchair once a week e The guarantee of Otto Bock HealthCare GmbH does not cover damages resulting from deep dis charge NOTICE Risk of damage to the battery charger Risk of damage caused by the battery charger For use of the battery charger observe the following e Only use battery chargers from Otto Bock that have been tested and approved by Otto Bock Health Care GmbH for the batteries used see information on the battery charger Non observance can result in battery explosion and health risk due to contact with acid e The indications on the type plate of the battery charger must be identical to the voltage of the mains supply of your country e Only use the battery charger within the indicated ranges of temperature and humidity e Place the rubber feet of the battery charger on a level surface e When the battery charger is in use protect it from direct sunlight e Avoid overheating the battery charger The cooling ribs on the back side of the battery charger must not be covered e During charging switch off the wheelchair control to allow the charging current to be fed completely into the battery e Avoid
26. by electromagnetic fields mobile phones or other radiating devices Therefore all mobile devices must be turned off when driving e The B400 can generate electromagnetic fields that can cause interference with other devices There fore turn off the control whenever you do not need it INFORMATION When the B400 is not used over an extended period of time or for dispatching the B400 remove the fuse from the battery case to avoid deep discharge of the batteries by standby current 2 7 Safety Instructions for Disposal INFORMATION If the power wheelchair is no longer in use it must be disposed of properly in accordance with national regulations If a wheelchair is to be disposed of all components and materials of the power wheelchair must be recycled or disposed of properly A CAUTION There is a risk of polluting the environment with battery acid The batteries of the power wheelchair contain a toxic acid They must not be disposed of with regular domestic waste and the battery acid must not enter the sewage water system or ground You must observe the battery manufacturer s instructions printed on the batteries 3 Transportation and Storage For transportation and storage the following ambient temperature range must be ob served Ambient temperature range from 40 C to 65 C 3 1 Transportation A CAUTION Insufficient fastening may result in accidents Adequately fasten t
27. cting the light module to the control panel electric module cabling of the light module 38 Oho Rock QUALITY FOR LIFE 6 9 Lights 6 9 1 Retrofitting Lights The lights for the B400 power wheelchair which are optionally available can be retrofitted at any time a Front lights The front lights must be attached to the side panel Preparation J Mount the VR2 L control panel and light module see Sections 6 8 1 6 8 3 rJ Remove the side panel Tools fJ Allen wrench size 3 mm Steps 1 Unscrew the plastic attachment device on the side panel 2 Insert the light holders into the outer slots and retighten the screw connections Fig 32 3 Lead the light cable along the seat frame and fasten it with cable ties 4 Connect the light cable to the corresponding connector of the controller beneath the seat Properly reassemble all components upon termination of the work Fig 32 Retrofitting front lights b Rear lights The rear lights must be attached at the rear of the drive unit sustainer with two holders Tools g Allen wrench size 5 mm Steps 1 Insert the oval head screws from inside to outside on the drive unit sustainer 2 Secure the oval head screws with two lock nuts 39 OMe Rock QUALITY FOR LIFE Fig 33 Retrofitting rear lights 6 9 2 Replacing Defective Lamps Tools fJ Allen wrench size 3 mm O Flathead screwdriver small a Front light Steps 1 Push the black e
28. d us ing the PP1a programming device or the PC programming device Read Timer The VR2 has a timer which records how long the wheelchair is in use The timer runs whenever the joystick is moved away from the centre position and stops when the joystick is returned The timer records the number of hours the wheel chair has been in use Clear Timer This function resets the VR2 control s timer This function can only be made use of with the PCPb and PCPc versions of the PC programming device Read System Log The VR2 has a diagnostic log facility which stores the number of occurrences of the last eight detected system problems This allows you to view the contents Erase System Log This function clears the VR2 control s diagnostic log This function can only be made use of with the PCPb and PCP versions of the PC programming device Table 13 Log functions 67 OMe Bock QUALITY FOR LIFE 9 Maintenance and Service Plan B400 Customer Re use Year of manufacture Serial no B400 general condition Driving report Components assemblies Carefully check all components listed here for correct function setting damages or deformations and whether the screw connections are tightened OK Damages Replacement Upholstery cushion 68 Oho Rock QUALITY FOR LIFE Maintenance and Service Plan B400 E Seat adjustments Mechanical seat tilt Adapter for headrest
29. dust and dirt Clean wit a dry cloth only The remaining battery capacity determines the distance range of the B400 power wheelchair The following factors have an influence on the battery capacity J Ambient temperature O Age of the batteries O Amount of use Charging method Driving over a longer period of time in the lower range of the battery indicator will discharge the batteries completely and damage the batteries In addition there is the risk that the B400 power wheelchair may stop due to zero battery capacity and bring the user into a dangerous situation Tools O Battery charger provided by Otto Bock HealthCare GmbH Oho Rock QUALITY FOR LIFE Steps 1 Turn off the control of the power wheelchair 2 Connect the plug of the battery charger to the charging receptacle on the underside of the control panel 3 Connect the battery charger to a wall socket The batteries will start charging automatically and the current charge status is indicated by the LEDs of the battery charger see Table 2 4 Upon termination of the charging process disconnect the battery charger from the mains supply then from the control panel 5 Turn on the control and the power wheelchair is ready for driving The following statuses are indicated by the battery charger Display Function All LEDs light up Once the connection to the mains supply has been established for a moment Yellow LED is lit Battery is chargi
30. e 7 Fig 53 Connections on the controller Motor brake ve Motor ve 61 OMe Rock QUALITY FOR LIFE 8 3 Programming Tools A WARNING Risk of injury as a result of incorrect programming Programming may only be conducted by specialist staff with in depth knowledge of the VR2 control Incorrect programming could result in an unsafe set up of a wheelchair for a user Otto Bock or the manufacturer of the control accept no responsibility for losses of any kind if the programming of the control system is altered from the factory pre set values 8 3 1 Hand Programming Device INFORMATION If you have a PP1a read the PP1a user guide before you use it If you re program your control system make sure that you observe any restrictions given in your wheel chair user manual Document any changes you make for future reference The PP1a hand programming device gives access to programmable parameters in order to adjust the wheelchair to individual patient requirements and to read the Fault Log and Timer see Section 8 4 To alter the program settings the device is connected to the control system with a plug For details of how to use the hand programming device refer to the Programming and Diagnos tics guide supplied with the PP1a hand programming device 8 3 2 PC Programming Device The PC programming device gives the same access level as the PP1a hand programming de
31. e the LED display has started flashing If the programming device was connected before the display started flashing the error code will not be displayed The following table lists the error codes and error types as well as references to detailed error descriptions The error types as well as causes and corrective measures are described in Table 9 Error code Error type Description Description for more information refer to Table 9 number 1320 13 Current limitation is active 1505 9 9 Error in the electromagnetic brake left 1506 9 9 Error in the electromagnetic brake right 1600 10 10 High battery voltage 1E03 Charging 6 Battery charger is connected 1E04 6 13 1E05 Charging 14 2C00 1 1 Low battery voltage 2C02 1 Switch off due to low battery voltage 2F00 User 7 Possible joystick error 11 Joystick was moved when switching on 3B00 2 2 Left motor disconnected 3C00 4 4 Right motor disconnected 3D00 3 3 Error in the cabling of the left motor 3D01 3 3 Error in the cabling of the left motor 3E00 5 5 Error in the cabling of the right motor 3E01 5 5 Error in the cabling of the right motor 4401 8 8 Error in the control system 5400 7 S 12 12 Communication error Error S S Flashing LEDs of the speed indicator 7100 7 Joystick error 7101 7 Joystick error 7102 7 7 Joystick error 7103 7 7 Joystick error 7104 7 7
32. eadjust remove or replace the hook and loop straps in accordance with the user s requirements Fig 38 Standard seat back upholstery 6 10 3 Standard Seat Replacing the Seat Frame NOTICE Risk of cable damage Pay attention to the cables fastened to the seat frame with cable ties Carefully cut the cable ties using side cutting pliers or a knife Make sure not to damage the cables Preparation fJ Remove the side panels Tools Allen wrench size 5 mm O Ring wrench or open end wrench size 13 mm 43 Ade Bock QUALITY FOR LIFE Steps 1 Loosen all cables fastened to the seat frame with cable ties 2 Loosen the two Allen head screws of the anterior seat brackets 3 Loosen the two Allen head screws of the posterior seat brackets 4 Remove and replace the seat frame if necessary Properly reassemble all components upon termination of the work Fig 39 Standard seat replacing the seat frame 6 10 4 Standard Seat Replacing the Seat Plate Only standard seats have a seat plate Steps 1 Remove the seat cushion 2 Unlock the backrest and fold it ahead 3 Pull the seat plate up with a sharp tug and replace if necessary Properly reassemble all components upon termination of the work 1 Seat cushion 2 Seat plate 44 Oho Rock QUALITY FOR LIFE 6 10 5 Standard Seat Changing the Seat Height NOTICE Risk of cable damage Make sure not to damage the cables that are fa
33. ecure them using appropri ate equipment to prevent them from falling down Work equipment used for lifting loads must prevent the loads from shifting in a dangerous way or falling freely or becoming unintentionally unhooked When using lifting platforms be sure that the B400 power wheelchair stands centrally on the lifting platform area and that none of the wheelchair s components such as the anti tipper protrude into the danger area ho Rock QUALITY FOR LIFE A CAUTION Danger caused by dangerous substances Dangerous substances at the workplace are allowed only in quantities needed for the progress of the work Regularly and safely remove waste and residues Immediately scavange any spilled substances 2 5 Safety Instructions for Maintenance Works A CAUTION Risk of injury caused by pinch points There are pinch points caused by the construction in the area between the seat and frame of the B400 Extra caution is required when working on the respective components A CAUTION Danger when working on the brake system Note that when the brake is unlocked there is not any brake function available The brake may only be unlocked in dangerous situations and for maintenance or repair The corresponding force required for acceleration and deceleration must come from the person pushing Once the push mode is no longer needed the brake unlocking lever must be locked immediately NOTICE Damage as
34. ed range High temperature indicator function The control system has heated up to above the defined temperature threshold The driving operation will be stopped until the controller has cooled down Each overheating of the controller will be recorded in the system log Table8 Error types causes and corrective measures 59 CMe Bock QUALITY FOR LIFE 7 4 Other Errors not displayed These are errors that are not displayed in the hand programming device or on the LED dis play The reasons can be The control cannot be switched on the error is not serious enough or the control system cannot detect the error for any other reason Error The control system does not switch itself on Wheelchair moves only slowly Possible cause There is no connection between the bat tery and control system If the error per sists there might be a defect in the electric module Faulty cable connection between the elec tric module and joystick module If the con nection is functioning one of the modules might be defective The control system has not been properly programmed A speed limitation function is active Defective motor or defective brake Measure Check the plug connections the electric module Check the plug connections the modules Programme the speed Switch off the limitation function Check replace the motor brake The wheelchair does not prop erly drive straight
35. egarding possible risks of accident or injury Warnings regarding possible technical damage INFORMATION Information regarding operation Information for service personnel 2 2 Standards and Directives All information on safety contained in this service manual refers to the currently valid national laws and regulations of the European Union In other countries compliance with the applicable laws and national regulations is required In addition to the safety instructions contained in this service manual the user is required to observe and comply with the BGV Employer s Liability Insurance Association regulations UVV accident prevention regulations and environmental protection regulations All information con tained in this service manual must be complied with at all times without restrictions The B400 power wheelchair has been constructed in accordance with the currently valid techni cal rules and is safe to operate The safety of the B400 power wheelchair has been confirmed by CE certification and the declaration of conformity 2 3 General Safety Instructions INFORMATION Regular maintenance is important it improves the safety and increases the lifespan of the product A CAUTION Risk of suffocation Make sure to keep packaging material away from children NOTICE Damage as a result of unauthorized service Service and maintenance may be performed by skilled specialists only
36. euararanarsenazeces 7 2 4 Safety Instructions Regarding the Use of Tools and Auxiliary Meqns 8 2 5 Safety Instructions for Maintenance WOLKS ssscccccesecenennncennenecenensesenenssenensesenenees 9 2 6 Safety Instructions for Maintenance Works on Electrical Components 10 2 7 Safety Instructions for DiSPOSAI 11ccccsescccnensenenensnsenensnenensnsesensssnenensesennssenensenenens 11 3 Transportation and Storage vii cssiscSaccecetacoicued dnacceiesnncwageacsdedaswansnnceneueasdoonaususncnieceentedins 11 3 1 TRONS DOMTOUON eissira E ewa yaka l E i 11 3 2 SOROS SERDEM EER E EEE E E ed 12 4 Required Tools and Auxiliary M Ons ccccscccssseeeceeseeeeceseeceeeeeeeeeeeeeeeaeeeesaueeeseanseesees 13 5 Information Display uuE uk kaka kaka axak kk kaka k KAKA AKA AA A ARA AA KARA A KAKA AA KARA KA WAA A AA AA KA WAR ww n 14 6 Service WOPKS c1scscssevcssesesssescsnssenssnscncsssssesessentcnnecsescnasssasecucnssinessenssnasstacecssansssncestsnsnsanoes 15 6 1 Inspecting the General Condition s1ssccccseseeeeceennensesssnenennenssesenennanssssenennennsenenennes 15 6 2 Replacing the Fuse u uEEEskkaaaaka kana aaka nakan kaka AH KA A A KAR A A Kak a a aa ku a aa u a a aa aa a a a n 15 6 3 2 2 r 9 lt eae ME D an KE EEE WEME DEDE EE NE ae DD E EK DO A Ea a 16 6 3 1 Checking the Liquid Level and Filling Up only with lead acid batteries 16 6
37. f accident as a result of bald or defective tyres Wheels with PU tyres must be replaced if the material shows signs of cracking or damage or when the tread becomes worn down to such an extent that there is only 5 mm of radius left on the outer edges of the tyre Replace the casing of pneumatic tyres if it is bald or shows signs of cracking or other damage The B400 power wheelchair has two 14 rear wheels that perform the function of driving and two front wheels casters that perform the function of steering The B400 power wheelchair has 9 casters 6 7 1 Inspecting the General Condition INFORMATION Direct sunlight UV light causes the tyres to age prematurely As a result the tread surface hardens and corner pieces break out of the tread INFORMATION Whenever possible avoid parking the wheelchair outdoors Regardless of wear and tear the tyres should be replaced every 2 years When the wheelchair is not used for extended periods of time or if the tyres are heated strongly e g near radiators or by sunlight shining through a window permanent deformation of the tyres will result Therefore always make sure that the wheelchair has sufficient distance from sources of heat move your wheelchair from time to time or jack up the wheelchair when storing it Steps 1 Check the condition of the tyres with regard to tread porosity and cracking 6 7 2 Replacing the Casing or Inner Tube
38. f humidity The B400 power wheelchair must not be subjected to any damaging exterior influences e g rain snow or strong solar radiation during storage Otto Bock HealthCare GmbH recommends to store the B400 power wheelchair with slightly elevated tyre pressure and to use assembly stands or wooden blocks in order to raise the tyres completely off the ground in order to protect them from frost Regularly rotating the wheels helps to prevent flat spots lo Bock QUALITY FOR LIFE 4 Required Tools and Auxiliary Means The following list includes appropriate tools and auxiliary means for the execution of the service works O Flathead screwdriver und Phillips screwdriver O Ring wrench or open end wrench sizes 8 to 24 mm fJ Allen wrench sizes 2 3 4 5 6 7 mm J Torque wrench J Wrench socket size 19 mm J Pull off tool O Pin punch 3 mm rJ Plastic hammer J Drill bit size 4 6 mm hand drill r Plastic tyre mounting levers O Inner tube repair kit O Side cutting pliers O Water pump pliers gripping width up to 32 mm fJ Liquid thread lock medium strength vi Mee emd e Fig 2 Tools OMe Bock QUALITY FOR LIFE Fig 3 Hand programming device 5 Information Display INFORMATION For error indication information with the LED display Battery capacity or with the aid of the hand programming device Fig 3 PC software please refer to section 7 Error Diagnosis The w
39. he B400 Correct and safe execution of the works on the B400 requires the knowledge contained in this service manual Therefore the document especially the section Safety must be studied care fully by all persons entrusted with working on the B400 This ensures the functionality of the B400 is fully utilized The service manual has been prepared on the basis of DIN EN 62079 Preparation of instruc tions Structuring content and presentation It is divided into 9 chapters The service manual also contains cross references that make it easier to use e g See Chapter 6 2 1 2 Intended Use The B400 power wheelchair is intended for individual self transportation by persons with limited mobility indoors and outdoors The B400 power wheelchair may only be used by persons who have the required physical and mental capacities Any other use is considered improper use The manufacturer is not liable for any personal injury or damage to property resulting from improper use in such cases the user has sole liability The B400 power wheelchair may only be used by persons trained to use it Training is one of the prerequisites in order to protect against personal risks and in order to operate the B400 power wheelchair safely and properly de Rock QUALITY FOR LIFE 2 Safety Instructions 2 1 Explanation of Symbols A WARNING Warnings regarding possible risks of severe accident or injury A caution Warnings r
40. he B400 power wheelchair to the means of transportation e g with tensioning straps NOTICE Risk of damage if the B400 falls down The maximum empty weight of the B400 power wheelchair is 95 kg 209 lbs The means of transportation and hoisting devices used for transportation must have a sufficient capacity 11 OMe Rock QUALITY FOR LIFE Secure the B400 power wheelchair to the means of transportation e g with tensioning straps Use the fixing eyelets at the front and back of the power wheelchair as well as the defined anchor points in the transportation vehicle Before transporting the power wheelchair switch off the control and lock the brake You can reduce the size of the power wheelchair for transportation by folding down the backrest and removing the side panels and footrests Fig 1 Fixing eyelets 1 Rear fixing eyelets 2 Front fixing eyelets 3 2 Storage INFORMATION If the B400 power wheelchair is not moved for several days permanent colour changes might result on the ground where the wheelchair comes into contact with it Otto Bock HealthCare GmbH therefore recommends using a suitable mat when parking the wheelchair for extended periods of time The B400 power wheelchair must be stored in an enclosed area Remove the main fuse to pre vent the risk of deep discharge The storage location must be dry and sufficient air circulation must be provided There must not be any build up o
41. he most frequent causes Overcharging of the battery or faulty connections between the control system and batteries Check the batteries and their connections If the error persists there might be a defect in the electric module Joystick was moved when switching on The most frequent cause The joystick is not in zero position when switching the system on Make sure that the user does not move the joystick prior to switching the system on If the error persists check the items in paragraph 7 Communication error The most frequent cause Faulty cable between the electric module and joystick module Check the cable for damage and replace if necessary If the error persists there might be a defect in the electric module or joystick module INFORMATION Replacement of the connection cable may only be carried out by persons authorized by the manufacturer of the wheelchair INFORMATION Detailed information on the replacement of the cable is contained in the document SK 77898 VR2 SERIES WHEELCHAIR CONTROL SYSTEM OPERATION INSTALLATION amp PROGRAMMING If the error persists there might be a defect in the joystick module 13 Current limitation is active indicator function The control system has been working above the current limitation threshold for a longer time than the current limitation time This information shows the service technician that the control system was in operation beyond the programm
42. he system s own joystick or when there is a com munication error between the joystick module and electric module INFORMATION Replacement of the joystick and all subsequent work may only be carried out by persons authorized by the manufacturer of the wheelchair 7100 7101 Loss of communication connection to the joystick Check the joystick cable flat ribbon cable of the joystick connections and corresponding sockets 7102 Loss of power supply to the joystick Check the joystick cable flat ribbon cable of the joystick connections and corresponding sockets 7103 7104 Internal error release Check the joystick cable flat ribbon cable of the joystick connections and corresponding sockets Verify whether the cable is correctly connected to the joystick and to the PCB 58 Oho Rock QUALITY FOR LIFE Cause measure Possible error in the control system The control system has detected an internal problem The control system may only be repaired by an authorized specialist Error in the electromagnetic brake The control system has detected a problem in the electromagnetic brakes or in the connections of the brakes 1505 Error released by left brake 1506 Error released by right brake Check the connections and the electromagnetic brake If the error persists there might be a defect in the electric module High battery voltage The control system has detected a battery voltage of more than 35 V T
43. heelchair functions are displayed on the LED display fields of the control panel LED display Function e o The LEDs show the battery capacity see instructions for use 6476485 Battery capacity The LEDs show the currently selected speed level from 1 to 5 Speed levels Table1 LED display fields on the control panel de Rock QUALITY FOR LIFE 6 Service Works 6 1 Inspecting the General Condition O Check safety relevant components for corrosion repair if necessary and restore corrosion protection J Check weld seams J Check screw connections for strength reapply thread locking compound if necessary observe defined tightening torque values in case of defects e g corrosion replace the screws O Check cables for breaks wear and tear and proper attachment in case of defects replace the cables in accordance with the cable plan J Check the cable connections plug connections 6 2 Replacing the Fuse The fuse is located in a small yellow box with folding cover in front of the battery case Steps 1 Open the cover of the fuse box 2 Pull out the fuse and replace if necessary Properly reassemble all components upon termination of the work Fig 4 Replacing the fuse 1 Fuse box with opened cover 2 Fuse pulled out 15 Ade Rock QUALITY FOR LIFE 6 3 Batteries A CAUTION Risk of injury when working on the battery When working on the batteries smoking and open
44. ing signals on the LED display Battery capacity see Sec tion 7 2 or with the aid of the hand programming device See Section 7 3 The hand programming device offers the possibility of describing errors more precisely with the aid of error codes With this manual you will be able to assign displayed errors to one of 10 error types This will allow to make conclusions with regard to the possible error cause as well as repair measures All problems that have ever occurred are saved in a list and can be retrieved for example in case of a general overhaul of the B400 see Section 8 4 4 The saved data can be used to determine future service and maintenance intervals for example 54 Oho Rock QUALITY FOR LIFE 7 1 Diagnostic Steps For an efficient and successful error diagnosis proceed as follows O Find out the type of error O Verify whether the error was released for a concrete reason or if the error indication has oc curred sporadically 1 Refer to the table of error types Section 7 3 Table 7 to read the possible cause and perform the recommended tests and corrective measures 7 2 Diagnosis with LED Display Battery Capacity On the LED display Battery capacity error messages are displayed as follows control system but maybe an er ror has been released earlier INFORMATION The less LEDs are flashing the less battery capac ity remains LED display Meaning Measure Quick flashing The
45. ing the Bowden Cable for seat tilt s1ssssssssscssssenssenssesnenennnneneeneneseneneenes 50 6 14 3 Retrofitting a Curb Climbing ASSISE 1cscccccccssssssssesesceeececnansnnesnsseneasacaaeanenssessananes 51 6 14 4 Retrofitting a Rearview MUIrOP 111sssecsccccnccsenssnnenescssesessanananssnssensasaceaeanenessesananes 51 6 14 5 Installing a Swivel LOCK option s0sssssscscsssseenenenesssnnnenennenenesusnensnnnneneenenenesennenen 52 6 14 6 Assembling the Holding Device for Headrest Attachment optiop 52 6 14 7 Retrofitting a Lap Belt OPtion 11 11scscssssssssssenssnssnnssnsssenseassnasssassnansnensnansnennnens 53 6 14 8 Mounting a Luggage Carrier Option cccccccccccssssssesssessesssensscssssssnssssesssessnassnensnens 53 T Error Bi e e Li lori QER MB E a E a a a a a a a aa a a aa na a N 54 Z1 DIGGHOSIIC Steps ii 4 siikan n n nn kn dkan ka Ea Ma Riha KEKE Ra BA ha Va h Ra RA WAD BA WU ee 55 7 2 Diagnosis with LED Display Battery CAPCCItY 1 cccssseccssssceceeensesennsenenensnsenenens 55 7 3 Diagnosis Using the Hand Programming Device see also Section 8 3 57 7 4 Other Errors not displayed siiisisacerstatiter or tide 60 Oho Rock QUALITY FOR LIFE 8 VR 2 Wheelchair Control Installation and Programming cccccesesseeeeeeeeeeseeseeeees 61 8 1 O23 eRe eee ec RTOS Oe yo ae alan na daa 61 8 2 Installation and Wiring ssc sas veucaretunei ted
46. ing the Controller INFORMATION When connecting the cables ensure correct assignment INFORMATION For information about the assembly of the light module refer to Section 6 8 3 Preparation O Remove the batteries see Section 6 3 3 J Remove the battery case see Section 6 3 1 Pull out the fuse see Section 6 2 Tools g Allen wrench size 3 mm Steps 1 Disassemble the protective cover see Fig 8 2 Disconnect all connections from the controller 3 Loosen the two Allen head screws remove the controller and replace if necessary Properly reassemble all components upon termination of the work 21 OMe Bock QUALITY FOR LIFE Fig 8 Disassembling the protective cover Connections on the controller 1 Connection for control panel 2 Connection for motor 1 3 Connection for motor 2 4 Connection for lights 5 Connection for battery 6 5 Side Panels 6 5 1 Adapting Replacing the Side Panels A side panel attachment device is located on the left and right sides of the seat frame The side panels with armrest are plugged into these attachment devices The height and position of the side panels can be individually adapted to the arm length of the wheelchair user Tools Allen wrench size 2 mm a Adapting to the forearm length Side panel without control panel Steps 1 Loosen the two Allen head screws Fig 9 item 1 2 Change the position of
47. l or overcome an obstacle If it is set to 100 then the wheelchair will provide full power Values below 100 will result in reduced power A typical use is to minimize damage to doorways or furniture if the wheelchair is being used indoors The values can be set independently between drive profiles meaning separate indoor and outdoor profiles can be defined Programming example e Current Limit Max 70 Amps e Power Profile 1 100 e Power Profile 2 50 This means that in profile 1 the VR2 control will output 70 A but in profile 2 will output 50 of 70 A 35A Number of Drive Profiles Profiles 0 to 5 The VR2 control can operate with single or multiple drive pro files A drive profile is a collection of programmable parameters comprising of Acceleration Deceleration Turn Acceleration Turn Deceleration Forward Speed Reverse Speed and Turn ing Speed The number of drive profiles is determined by the programmable parameter Number of Drive Profiles If Number of Drive Profiles is set to O then there is one setting for each of the parameters listed previously and the control system s maximum speed setting can be changed with the maximum speed profile increase and decrease buttons If the values of Number of Drive Profiles is 2 to 5 there is a cor responding number of drive profiles and each listed parameter can be individually set within a profile The maximum speed profile increase and decrease bu
48. l panel side see Section 6 14 2 49 Ade Bock QUALITY FOR LIFE Fig 45 Retrofitting the mechanical seat tilt mechanism 6 14 2 Attaching the Bowden Cable for seat tilt Preparation J Mount the gas compression spring rJ Remove the side panel Tools J Allen wrench sizes 2 5 mm Steps 1 Mount the C profile for the Bowden cable attachment beneath the armrest 2 Mount the clamp piece and sliding nut 3 Position the release lever with the sliding nut and tighten the Allen head screw Mount the side panel making sure to correctly position the Bowden cable Fig 46 Attaching the Bowden cable 50 Oho Rock QUALITY FOR LIFE 6 14 3 Retrofitting a Curb Climbing Assist Tools g Allen wrench size 6 mm O Open end wrench size 13 mm Steps 1 Insert the curb climbing assist into the frame on the left side into the frame cutout Fig 47 1 on the right side into the half oval frame hole Fig 47 2 2 Insert the Allen head screw from above 3 Slide on the supplied spacer bushings from underneath and secure them with nuts Fig 47 3 INFORMATION It is very important to use spacer bushings to prevent the frame from warping Fig 47 Mounting a curb climbing assist 6 14 4 Retrofitting a Rearview Mirror Tools g Allen wrench size 3 mm Steps 1 Mount the rearview mirror on the opposite side of the control panel holder to the C profile of the armrest 2 Turn
49. lty plug con Check the connections to the left motor Check the motor Short circuit on the bat tery connection to the left motor E g broken cable Check the battery connec tion to the left motor Faulty cabling of the right motor Defective motor E g faulty plug con nection Check the connections to the right motor Check the motor Short circuit on the bat tery connection to the right motor E g broken cable Check the battery connec tion to the right motor Driving function is blocked due to external influences Joystick error Controller error Maybe the battery charger is connected Joystick not in zero position when switch ing on Disconnect the battery charger Bring joystick to zero posi tion prior to switching on Check all connections Brake release error Brake release is open Check the motor brakes Check the connections to the controller Battery over voltage Communication error between the control panel joystick and controller Battery contacts are loose Defective cable loose plug connection Check the plug contacts Check the connections Table 6 LED error types causes and corrective measures 56 Oho Rock QUALITY FOR LIFE 7 3 Diagnosis Using the Hand Programming Device see also Section 8 3 INFORMATION The programming device may only be connected to the control system onc
50. me ter Turn Accel eration value Adjusts the minimum value for turning acceleration of the wheel chair This percentage of the Turn Acceleration value occurs when the speed setting is at 1 Programming example e Turn Acceleration 80 and Minimum Turn Acceleration 25 e Turn Acceleration at step 1 25 of 80 20 e Speed settings 2 3 and 4 will interpolate linearly between 20 and 80 e Turn Acceleration at step 2 35 e Turn Acceleration at step 3 50 e Turn Acceleration at step 4 65 Minimum Turn Deceleration 1 increments of the Turn Deceleration value Adjusts the minimum value for turning deceleration of the wheel chair This percentage of the Turn Deceleration value occurs when the speed setting is at 1 Programming example e Turn Deceleration 80 and Minimum Turn Deceleration 25 e Turn Deceleration at step 1 25 of 80 20 e Speed settings 2 3 and 4 will interpolate linearly between 20 and 80 e Turn Deceleration at step 2 35 e Turn Deceleration at step 3 50 e Turn Deceleration at step 4 65 Table 10 Programming of the speed parameters 65 OMe Rock QUALITY FOR LIFE 8 4 2 Setting of General Parameters Parameter Sleep Timer Joystick Throw Setting range 1 minute incre ments from 0 to 30 min Description Sets the period of time before the control system will turn itself off if the wheelchair is not driven If the time is set to 0 the sys
51. n wrench size 3 mm O Ring wrench or open end wrench size 10 mm 26 de Rock QUALITY FOR LIFE Steps 1 Disassemble the standard footrest holder 2 Mount the footrest holder for elevating footrests 3 Loosen the Allen head screws 4 Remove and replace the standard footrests d Replacing the knee pads Steps 1 Remove the footrest 2 Loosen the Allen head screw Fig 16 3 Remove or replace the knee pad if necessary Properly reassemble all components upon termination of the work Fig 16 Replacing the knee pad e Replacing the calf pads The calf pad is attached to the footrest tube Steps 1 Remove the footrest 2 Loosen the Allen head screw 3 Remove or replace the calf pad if necessary Properly reassemble all components upon termination of the work 27 Ade Bock QUALITY FOR LIFE Fig 17 Replacing the calf pad 6 6 2 Replacing the Footplates Different footplates are available for the B400 power wheelchair As an alternative to the standard version with individual footplates a continuous aluminium footplate can optionally be installed Tools fJ Allen wrench size 6 mm Steps 1 Loosen the Allen head screw that connects the footplate and mounting kit 2 Remove and replace the footplate if necessary Properly reassemble all components upon termination of the work Fig 18 Replacing the footplate 28 ho Rock QUALITY FOR LIFE 6 7 Wheels A CAUTION Risk o
52. ng Yellow LED flashes Battery is charged to 90 Green LED is lit Battery is fully charged battery charger has changed to trickle charge Red LED is lit Incorrect pole assignment immediately unplug the battery charger from the wall outlet and reconnect the cables with correct pole assignment Red LED flashes Error in the course of the characteristic curve charging time has been exceeded Table2 LED display on the battery charger The battery charger features a programmed recharging phase Once a discharged battery is completely charged after approximately 8 hours the battery charger can remain connected with no risk of overcharging or damaging the battery 6 3 3 Replacing the Batteries A CAUTION Risk of injury due to electric current Disconnect the main fuse before you perform any maintenance work on the batteries NOTICE Risk of battery damage When connecting the batteries ensure correct pole assignment Preparation J Remove the battery cover see Section 6 3 1 O Pull out the fuse see Section 6 2 Tools O Ring wrench or open end wrench size 11 mm 19 OMe Bock QUALITY FOR LIFE Steps 1 Disconnect all connection cables from the batteries 2 Remove the batteries and replace them if necessary Properly reassemble all components upon termination of the work 6 3 4 Removing the Battery Case NOTICE Risk of battery damage When connecting the batte
53. ngaging lever at the lower end of the lamp to fold the halogen lamp along with pane forward 2 Pull the retaining ring to the rear 3 Pull the halogen lamp to the rear remove and replace it if necessary Properly reassemble all components upon termination of the work INFORMATION When installing the lamp make sure that the notch on the socket of the halogen lamp is positioned correctly and engages Fig 34 Replacing the halogen lamp of a front light 40 de Rock QUALITY FOR LIFE b Front direction indicator Steps 1 Slightly press into the notch on top of the housing until the nose jumps out 2 Fold down the cover 3 Turn the bulb a quarter turn counter clockwise and remove it Properly reassemble all components upon termination of the work INFORMATION When installing the lamp make sure that the nose of the bulb engages in the notch on the socket Fig 35 Replacing the front direction indicator c Rear direction indicator Steps 1 Loosen the two screws and remove the protective glass 2 Remove the bulb from the holder to the front and replace it Properly reassemble all components upon termination of the work d Rear light Steps 1 Loosen the two screws and remove the protective glass 2 Pull the bulb downward out of the holder and replace it Properly reassemble all components upon termination of the work INFORMATION INFORMATION
54. ries ensure correct pole assignment Preparation J Remove the battery cover see Section 6 3 1 fJ Pull out the fuse see Section 6 2 O Remove the batteries see Section 6 3 3 Steps 1 Once the preparatory works have been completed the battery case can simply be taken out and replaced if necessary Properly reassemble all components upon termination of the work 6 3 5 Laying New Battery Cables NOTICE Risk of battery damage When connecting the batteries ensure correct pole assignment Preparation J Remove the battery cover see Section 6 3 1 O Pull out the fuse see Section 6 2 O Disconnect and remove the batteries see Section 6 3 3 O Remove the battery case Tools fJ Allen wrench size 3 mm O Ring wrench or open end wrench size 11 mm Steps 1 Unplug the old battery main cable from the controller for connections on the controller see Fig 7 Unscrew the yellow fuse holder of the old fuse cable from the frame Connect the new battery main cable to the controller Screw the yellow fuse holder of the new fuse cable to the frame QI A WO N Reposition the battery case and reinsert connect the batteries OMe Rock QUALITY FOR LIFE 6 Properly connect the battery cable to the battery Properly reassemble all components upon termination of the work Fig 7 Controller with connector plugs 1 Battery main cable 2 Motor plugs 6 4 Replac
55. rotected against mechanical and chemical stresses The backrest and seat are flame retardant but nevertheless flammable They must be kept away from flames and embers CMe Bock QUALITY FOR LIFE NOTICE Damage caused by incorrect cleaning after completion of maintenance Never use a water jet or high pressure cleaning apparatus for cleaning the B400 Use a cleaning rag or sponge for cleaning Direct contact of water with the motor must absolutely be avoided After cleaning of the B400 power wheelchair check its operating performance INFORMATION The tyres of the B400 power wheelchair contain chemical substances that can react with other chemi cal substances such as cleaning agents acids etc 2 6 Safety Instructions for Maintenance Works on Electrical Components NOTICE Damage as a result of improperly prepared maintenance e To prevent uncontrolled driving through accidental joystick manipulation turn off the wheelchair control or jack up the drive wheels when the driving function is not required e During maintenance it is essential to avoid direct contact of water with the electronics and battery e When establishing the plug connections of the controller observe the correct assignment of the contacts A CAUTION Risk of injury when working on the battery Only use battery chargers from Otto Bock that have been tested and approved by Otto Bock HealthCare GmbH for the bat
56. s 29 6 7 2 Replacing the Casing or Inner Tube Of Pneumatic Tyres E EELE E 29 6 7 3 Replacing the Drive Wheel iscscscccccccccstuessecenseads Soeueisavebaietinseuvelateeiedeesacevdesieialiaveisatede 30 6 7 4 Replacing the Wheel Flange uu ssscccccsssssessenscenecsensnssnensseseeseasansnauesussensasananganensssnsananes 31 6 7 5 Mounting Splash Guards for Drive Wheels option ssccccsssseseesssenenenneneeensnenesennenes 32 6 7 6 Replacing the Caster iisen anana nada naka ka Au n n VER RA Wan RE Ku WURA Ra z u 32 6 7 7 Replacing the Caster Fork cisisicccccciccasiccussancesenccncviveeseseckscveccecsscebiveesedtursutlessutavestarone 33 6 7 8 Mounting Splash Guards for Caster Forks Option sscsccccsossesessssenenennnneenensnenesennenes 34 6 8 Control Panel Light Module siicccercseisiesccccsssesesearetanvtsvaccansessssserstectarsseiatrensersieanees 35 6 8 1 Replacing the VR2 VR2 L Control Panel csccsscsssesssessecssnessecssnnssnessnensnessnsnnensnnes 35 6 8 2 Replacing the Control Panel HOIdGL 1 cscccccccssssssssesescsnenecansassnesnsseneasacaneaneneneseananes 36 6 8 3 Mounting the Light MOQUIC ccccccssssssscssecenccnenesnsnensssenecesnanananssnssensaseneasanensssnsananes 37 6 dilo j a Nene ee A PA en ene ee vere oe 39 6 9 1 Retrofitting LIQHtS su ii lan i na sina nanan nana lana y na Aaaa d a r akan ayan Dodebecentcccustuaiedseesiatees 39 6 9 2 Replacing Defective L
57. stened to the frame with cable ties To change the seat height of the B400 power wheelchair the seat brackets must be replaced The seat brackets are screwed directly to the frame at the front Preparation fJ Disassemble the seat Tools fJ Allen wrench size 5 mm O Ring wrench or open end wrench size 13 mm Steps 1 Remove the black plastic caps of the rear Allen head screws 2 Loosen the Allen head screws of the posterior seat brackets 3 Loosen the Allen head screws of the two anterior seat brackets see Fig 41 4 Loosen the seat brackets from the seat frame and replace as needed Properly reassemble all components upon termination of the work Fig 41 Anterior seat brackets 6 10 6 Standard Seat Setting the Seat Inclination Without mechanical seat tilt The two anterior seat brackets are used for setting the seat inclination These brackets have several bore holes at their lower end The seat inclination is changed by using a different bore hole as follows e g upper bore hole 0 middle bore hole 3 or lower bore hole 6 45 OMe Rock QUALITY FOR LIFE Tools O Allen wrench size 5 mm O Ring wrench or open end wrench size 13 mm Steps 1 Loosen the lower screw connections of the anterior seat brackets 2 Push the seat unit up or down to the desired seat inclination 3 Retighten the screw connections of the seat brackets Properly reassemble all components upon termina
58. t with a profile rail Preparation J Remove the side panel J Remove and deposit the control panel Tools fJ Allen wrench size 3 mm Steps 1 Remove the side panel from the holder 2 Loosen the two set screws 3 Change the position of the control panel holder or remove and replace the holder if neces sary Fig 29 Replacing the control panel holder 36 Oho Rock QUALITY FOR LIFE 6 8 3 Mounting the Light Module A CAUTION Risk of injury as a result of incorrect positioning The housing of the light module can heat up to more than 40 C The light module must therefore be mounted in a place where the wheelchair user will not get in touch with it NOTICE Damage caused by incorrect positioning The light module must be mounted in a place on the wheel chair where it is protected from wetness and dust according to ISO standard 7176 9 Do not install the module in a place where it will be subject to excessive shocks or vibrations Direct impacts or shocks on the light module must be avoided The light module in conjunction with the VR2 L control panel see Section 6 8 1 serves to control the lights see Section 6 9 It has three connector sockets see Table 4 and Fig 31 The light module is pre programmed It can be adapted to the respective lights see Section 8 4 by programming with the hand programming device see Section 8 3 Connector sockets Function Connector socket 1
59. tem will never turn itself off This allows programming so that full speed can be reached with a reduced joystick movement throw This is particularly useful for wheelchair users with limited hand or arm movement Invert Joystick On Off This parameter inverts the direction of travel when moving the joystick On Deflecting the joystick Forward will result in Reverse drive Off Deflecting the joystick Forward will result in Forward drive Left and Right deflection of the joystick remain unchanged Soft Stop Rate Single steps from 0 to 200 Adjusts the deceleration rate that is used while the wheelchair is soft stopping Softstopping happens if the VR2 control is switched off while the wheelchair is being driven Soft Reverse Single steps Adjusts the deceleration rate used while the wheelchair is Deceleration from 25 to stopping in reverse This rate is separately adjustable from 100 the Deceleration parameter to prevent the wheelchair tipping when reversing down a gradient The value is a percentage of the Deceleration parameter A typical value is 70 Reverse Driving On Off Sets whether the VR2 control gives an audible warning while Alarm driving in reverse On Means there is an audible alarm given Off Means there is not Lock Function On Off Sets whether the VR2 s locking sequence can be used to Enabled prevent the wheelchair being driven by unauthorized persons On Means the Lock func
60. teries used see information on the battery charger Non observance can result in battery explosion and health risk due to contact with acid When working on the batteries smoking and open flames are not permitted Sparks must be avoided Explosive gases can develop while the batteries are charging Observe the safety instructions of the manufacturer of the battery Wear protective goggles Provide for sufficient ventilation when charging the batteries in closed rooms Drive batteries can supply very high energies and arcs can occur when they are short circuited There fore always disconnect the batteries when working on the motor control or wiring NOTICE Risk of battery damage Always use insulated tools when working on the batteries in order to prevent short circuits Avoid deep discharge of the batteries in order to prevent function failure and permanent damage to the batteries When connecting the batteries ensure correct pole assignment NOTICE Risk of damage to the battery charger Avoid overheating of the battery charger during the charging process Make sure that the cooling ribs on the back side of the battery charger are not covered de Rock QUALITY FOR LIFE INFORMATION The B400 has been tested according to EMC regulations The following particularities must be com municated to the user and must be observed when using the B400 e The driving characteristics of the B400 can be affected
61. the armrests by moving them to the front or rear or remove and rem place them if necessary Side panel with control panel Steps 1 Loosen the sliding nuts in the C profile Fig 9 item 2 2 Move replace the armrests and tighten the sliding nuts 22 ho Rock QUALITY FOR LIFE Fig 9 Adapting the side panel to the forearm length b Adapting to upper arm length Steps 1 Loosen the set screw at the top of the side panel attachment device 2 Move the armrest to the required height 3 Tighten the set screw Fig 10 Adapting the side panel to the upper arm length c Replacing the side panel Steps 1 Loosen the thumb screw at the bottom of the side panel attachment device 2 Pull out the side panel upwards and replace it if necessary Properly reassemble all components upon termination of the work 23 do Rock QUALITY FOR LIFE Fig 11 Replacing the side panel 6 5 2 Replacing the Clothing Protectors Preparation O Remove the side panel Tools fJ Allen wrench size 3 mm Steps 1 Loosen the two Allen head screws on the side panel 2 Change the position of the closing protector or remove and remplace it if necessary Properly reassemble all components upon termination of the work Fig 12 Replacing the clothing protector 24 ho Rock QUALITY FOR LIFE 6 6 Footrests 6 6 1 Adapting Replacing the Footrests Different footrest systems are available for the B400 power wheelch
62. the mirror holder to adapt it to the user Fig 48 Retrofitting a rearview mirror 51 OMe Rock QUALITY FOR LIFE 6 14 5 Installing a Swivel Lock option INFORMATION The swivel stops prevent the casters from turning In addition they counteract possible fluttering when driving straight forward for a longer time Preparation O Disassemble the caster fork Tools g Allen wrench size 5 mm Steps 1 Remove the cover caps from the front frame 2 Put together the spring and axle of the caster swivel lock kit Fig 49 1 3 Insert the axle and spring of the caster swivel lock from beneath through the receiving hole in the frame and affix with Allen head screws Fig 49 2 4 Secure the plastic locking lever with lock washers above below Fig 49 3A 5 Screw the locking screws into the frame Fig 49 3B Properly reassemble all components upon termination of the work Fig 49 Mounting the caster swivel lock 6 14 6 Assembling the Holding Device for Headrest Attachment option The holding device for the headrest must be attached to the back frame Tools fJ Allen wrench size 3 mm O Ring wrench or open end wrench size 10 mm Steps 1 Affix the holding device at the upper end of the back tube with two screws In case of a round back tube an adapter plate is required to compensate for the round shape can be ordered separately The holes are already pre drilled 52 Oho Rock
63. tion is available Off Means it is not Brake Fault Detect On Off Sets whether the VR2 control detects a fault in the wheelchair s electrical brakes or the connections to them On Means brake faults will be detected Off Means the VR2 control will not detect brake faults INFORMATION This parameter should only ever be set to off if there are no electrical brakes fitted to the wheelchair Table 11 Programming of general parameters 66 de Rock QUALITY FOR LIFE 8 4 3 Programming of the Light Module The light module is pre programmed By programming the light module can be adapted to the respective lights see Section 6 9 Programmable Presetting Possible adaptation function Operating voltage 24 V 12 V the lamps must correspond to the value of lamps or must be replaced Lamp power 21 watts 5 watts 10 watts Fault detection of direction indicators Off no fault detection use function only if one direction indicator is used on each side On the control detects defects on the direction indicator is indicated by quick flashing of the direction indicator Table 12 Programming the parameters on the light module 8 4 4 Log Functions The following functions are logged by the VR2 control and can be read with corresponding hardware Function Description Memory Functions The VR2 has a timer and a diagnostic log These can be read and cleare
64. tion of the work Fig 42 Setting the seat inclination 6 10 7 Standard Seat Replacing Setting the Side Panel Attachment Devices The attachment is located on both sides on the posterior crossbrace beneath the seat Tools Allen wrench size 3 mm Steps 1 Loosen the two set screws 2 Remove the side panel attachment device and replace or readjust it as necessary Properly reassemble all components upon termination of the work 46 Oho Rock QUALITY FOR LIFE Fig 43 Side panel attachment device 1 Side panel attachment device 6 11 Replacing the Drive Unit Sustainer A CAUTION Risk of injury due to electric current Prior to working on the drive unit sustainers turn off the B400 power wheelchair and disconnect all plug connections between the drive unit sustainer and frame Before removing the motors loosen the wires of the brake release A CAUTION Risk of injury when lifting components Some components are very heavy such as the batteries frame seat and motors When installing or removing such components lift them safely to avoid injury Only use hoisting devices that have a sufficient capacity Tools fJ Allen wrench size 5 mm fJ Allen wrench size 6 mm Steps 1 Disassemble the seat including the seat frame 2 Disassemble the lights 3 Disassemble all components attached to the frame and drive unit sustainer Battery case see Section 6 3 4 Controller see Section 6 4
65. ttons are then used to switch between the available profiles INFORMATION Although a number of Drive Profiles can be set to one the operation is the same as setting to O but without the ability to change maximum speed settings Minimum Accel eration 1 increments of the parame ter Acceleration Adjusts the minimum value for forward and reverse acceleration of the wheelchair This percentage of the Acceleration value occurs when the speed setting is at 1 Programming example e Acceleration 80 and Minimum Acceleration 25 e Acceleration at step 1 25 of 80 20 e Speed settings 2 3 and 4 will interpolate linearly between 20 and 80 e Acceleration at step 2 35 e Acceleration at step 3 50 e Acceleration at step 4 65 64 Oo Rock QUALITY FOR LIFE Parameter eration Minimum Decel Setting range 1 increments of the param eter Decelera tion Description Adjusts the minimum value for forward and reverse deceleration of the wheelchair This percentage of the Deceleration value occurs when the speed setting is at 1 Programming example e Deceleration 80 and Minimum Deceleration 25 e Deceleration at step 1 25 of 80 20 e Speed settings 2 3 and 4 will interpolate linearly between 20 and 80 e Deceleration at step 2 35 e Deceleration at step 3 50 e Deceleration at step 4 65 Minimum Turn Acceleration 1 increments of the para
66. vice For details of how to use these software packages with the VR2 control refer to the documenta tion supplied with the software 62 Oho Rock QUALITY FOR LIFE 8 4 Programmable Parameters The following programmoble parameters represent a selection Information on other programmings is contained in the document VR2 SERIES WHEELCHAIR CONTROL SYSTEM OPERATION INSTALLATION amp PROGRAMMING 8 4 1 Speed Settings Parameter Acceleration Setting range Single steps from O to 100 Description Adjusts the value for forward and reverse acceleration of the wheelchair A higher value gives faster acceleration This programmed value of acceleration occurs when speed setting 5 is selected Its value at other settings depends on the value of the Minimum Acceleration parameter Deceleration Single steps from O to 100 Adjusts the value for forward and reverse deceleration or brak ing of the wheelchair A higher value gives faster deceleration This programmed value of deceleration occurs when speed setting 5 is selected Its value at other settings depends on the value of the Minimum Deceleration parameter Turn Acceleration Single steps from O to 100 Adjusts the value for turning acceleration of the wheelchair A higher value gives faster acceleration This programmed value of acceleration occurs when speed setting 5 is selected Its value at other settings depends on the value of the Minimum
67. with two gel bat teries with a capacity of 40 Ah 6 3 1 Checking the Liquid Level and Filling Up only with lead acid batteries INFORMATION Check the battery s liquid level and fill up if required Tools O Flathead screwdriver wide Steps 1 Open the battery cover and remove the cover Pull out the fuse see Section 6 2 Disconnect all connection cables Lift out the batteries and place them on a level surface QI A WON Compare the liquid level which is visible from outside with the min and max marks at the front and rear of the batteries 6 If the liquid level is too low open the cover of the respective cell Oho Rock QUALITY FOR LIFE 7 Top up with distilled water until the liquid level is between the min and max marks Properly reassemble all components upon termination of the work Fig 5 Opening the battery case disconnecting the connections 1 Opening the battery case 2 Disconneting the battery cables Fig 6 Liquid level marks battery cell 1 Min max marks for the liquid level 2 Closures of an individual battery cell 17 OMe Bock QUALITY FOR LIFE 6 3 2 Charging the Batteries A WARNING Risk of injury as a result of incorrectly set characteristic curve When changing from wet cell batteries to gel batteries the characteristic curve must be changed see information on the battery charger NOTICE Risk of damage

B400 Power Wheelchair Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents