brakes - Burbach + Goetz
Contents
1. 60 km with 80 Ah gel batteries 10 km h 40 km with 60 Ah lead acid batteries 6 km h 50 km with 90 Ah lead acid batteries 6 km h 70 km with 90 Ah lead acid batteries 10 km h 50 km Speed EJ M E 6 km h Ee oido MR 10 km h 1 2 r Note Tighten all screwed connections when not specially declared accord ing to table torque according to DIN for screwed connections view chap ter Maintenance Maintenance checklist DIN norms and guidelines gt DRIVE UNIT The drive unit fig 2 1 consists of the motor 24V permanent magnet direct current motor fig 2 2 A the magnetic brake electromagnetic spring pres sure brake fig 2 2 B the maintenance free direct cogged differential gear fig 2 2 C including the two half axles and the drum brakes on both sides optional fig 2 2H D CARBON BRUSHES When the motor is not running flawless and defects in the incoming lines can be excluded the four carbon brushes have to be checked one after the other REMOVAL rz Note Watch for the screws Will be re used Switch the vehicle off Remove the plus cable and the minus cable from the motor Remove the plus cable and the minus cable from the motor Pull back the rubber lid fig 2 3 E from the motor Remove the fixation screw fig 2 4 F from the car bon brush retainer fig 2 42. mount taillight 24V C5W S8 5 festoon bulb Remount the dispersion plate ADJUSTING THE HEADLIGHTS is 46 Note The adjustment is to be done on both headlights Therefore place the vehicle on level ground Loosen the upper fig 7 2 F and lower fixation screws fig 7 2 G for the housing of the lighting component Adjust the headlights by turning the housing of the lighting component Moving the fixation screws in the slotted holes The headlights are adjusted correctly when the low er edge of the cone of light reaches the ground about 3 meters in front of the vehicle Retighten the fixation screws BATTERIES CHARGE Attention Deep discharge and frequent partial discharge with e out immediate recharging quickly leads to capaci ty loss After disassembly the batteries are there fore immediately to be charged fig 8 1 Especially before a longer storage the batteries are to be com pletely charged and because of the constant own discharge to be recharged in between Marginally increased transition resistance starting at 0 2 Ohm in the charging cables and plugs already pre vent a complete charging Plugs that become hot du ring charging are to be replaced BATTERY CHARGERS For determination the chargers have different colou red lids fig 8 2 White lid 8 A for more than 40 to 60 Ah batteries e g for Sprint GT and Optimus Red lid 12 A f
3. daily km manual reset or total km protection against unauthorised used through mag netic key integrated charging socket and signal unit plug connector for special operations ON OFF ex ternal keys external joystick amp service Magnetic key function The wheelchair can be locked with a magnetic key For this magnetic key function must be enabled This is the case directly from the manufacturer The clearance can be done subsequently over the CAN bus software Attention The magnetic key can damage magnetic cards Do e not store the magnetic key near magnetic cards Locking For locking slide the magnetic key in vertical direc tion slightly left or right of the key symbol After ward the display shows SCH German abbreviation for Schloss z key The wheelchair is now locked and can be switched off Switch functions To supervise the settings for the drive resp push mode and the faultless functioning of the micro switches the display shows the switch setting s S S Switch pushing The magnetic brake is disenga ged and the push mode activated S L Switch steering The steering is ungeared only Optimus S B Switch brake The drum brake is activated only Optimus option Charging function When a charger is connected to the operation device and the wheelchair is switched on the display shows LAD The wheelchair cannot be driven xi SIE Service X2 SEE
4. with a pan head screwdriver Attention Only turn off the button with added security In e unsecured state the seat will fall down when the button is moved Danger of injury With drum brake option Screw off the ball button of the drive push opera tion selection lever fig 2 15 E Pull the brake lever fig 2 16 F off To achieve this remove the hexagon socket thread pin fig 2 16 G from the bushing into which the eccentric reaches fig 2 16 H Remove the bowden cables on both sides from the brake arms view chapter drum brakes Without drum brake option Pull the brake lever off To achieve this screw the inner hexagon socket thread pin fig 2 17 out of the eccentric shaft Disengage the bowden cable from the motor and the magnetic brake view chapter lt magnetic brake gt REMOVAL Demount the two front wheels For this remove the four screws for the wheel attachment view fig 2 18 Take the front and both side panels off fig 2 19 Loosen the spanning belt that straps the batteries in view chapter batteries replacement and re move the batteries Lift out the battery case fig 2 19 K 1 Remove the cable connections for the plus and mi nus pole on the motor fig 2 20 L Open all cable binders of the right cable harness Cu
5. After replacing the operating module and during maintenance the correct layout of the cables of the supply lines to the operating module is to be checked Anatomically shaped seat unit Layout of the cables and attachment to the armrest receptacles with glued brackets as in fig 6 23 to 6 24 Anatomically shaped seat unit Recaro Layout of the cables and attachment to the armrest recepta cles with glued brackets as in fig 6 25 Attention a The operating module must be completely swerved to the front view fig 6 23 and back view fig 6 24 and the adjustment tube maximally ex tractable without any tension on the cable b The cable may not exceed the contour of the ve hicle 45 LIGHTING The lighting equipment is compulsory when participa tin g in traffic and must be checked for functioning at regular intervals It is fed by 24V REPLACING LIGHTBULBS On all lighting components f Dismantle the dispersion plate fig 7 1 A of the affected lighting component To achieve this un screw the attachment screw s and remove the dis persion plate Replace the defective light bulb Attention Watch for the correct voltage 24V of the replace ment light bulb The light bulbs used are view fig 7 1 B C headlight 24V 3W E10 screw thread front turning signal 24V 10W BA15s bayonet mount D rear turning signal 24V 21W BA 15s bayonet E
6. G Push the carbon brush retainer in the direction of the screw hole fig 2 5 Slightly pull the carbon brush retainer back form the motor opposite of the screw holder Press the carbon brush retainer in the opposite di rection of the screw hole fig 2 6 Slightly pull out the carbon brush retainer fig 2 7 t Note Two opposite carbon brushes each are connected to each other by a cable fig 2 8 H running inside the motor Remove the philister head screw fig 2 9 of the connecting cable Completely remove the carbon brush retainer t Note 1 The carbon brush retainers cannot be pulled straight out of the opening Slightly turn the car bon brush retainer sideways while pulling it out t The carbon brushes are worn when the pressure springs come to rest on the retainer without the carbon brushes reaching over their guide way They are also to be replaced when contacts fig 2 10 K appear black and blunt On intact carbon brushes the contacts are anthracite coloured and shining t When one or more carbon brushes are extremely or totally worn all carbon brushes are to be ex changed As a spare part the carbon brushes are supplied in a set completely assembled in the retain er f the carbon brush is completely intact reassemble the carbon brush retainer and check the next one FITTING The fitting is done an
7. full stop When traveling downhill the motor switches to gener ator operation This effects that the energy won is fed in to the drive batteries energy recycling 11 DRUM BRAKES Option The two drum brakes for the driving wheels are acti vated by the hand brake lever ADJUSTING The drum brake is adjusted via the bowden cable is 12 Jack up the vehicle and disassemble the front wheels Set the brake lever to push mode Pre adjust the bowden cable fig 3 1 A at the brake arm fig 3 1 B To do so loosen the nuts fig 3 2 C pull the core fig 3 2 D and retighten the nut Loosen the counter nuts from the adjustment screws fig 3 3 E and 3 4 E and screw them back Fine tune the bowden cable by turning the adjust ment screw turning outward spanning For testing slowly move the brake lever forward and backward and while doing so check the braking function by turning the drums fig 3 3 F Note The bowden cable is adjusted correctly if the drum brake already shows effect when the switching if the micro switch fig 3 4 G can be heard If necessary correct the adjustment Recounter all adjustment screws Mount the front wheels and jack the vehicle down rz Note After the adjustment the following must be checked a with disengaged brake push mode the vehicle has to be pushed easily bowden cable taut b While the brake is eng
8. meen ne ee EER AEE 51 Maintenance checklist RN RTT m 52 Steuer EO Tm 52 Vilis Brz Lg eR e 53 DIN norms and gulde lihserenigis a 54 FOREWORD This service manual is designated for the authorized dealer It is complemented with the according users manual and the spare parts list A users manual is supplied with each vehicle Spare parts lists and operating man uals can be ordered at the manufacturer The work may only be done by professionally educat ed personnel TECHNICAL SPECIFICATIONS The indicated performance is only realistic under the following circumstances Surrounding temperature 27 C 100 nominal battery capacity in accordance with DIN standard Mint condition batteries with more than 5 charging cycles Nominal load of 75 kg Without repeated acceleration Level and firm surface OPTIMUS Model 3 622 fig 1 1 and 1 2 EE CURVING ouecocsesicinmnerumirun turerd ran EE NIMES 110A Batteries Gel batteries 60 Ah 20h 80 Ah 20h Lead acid batteries 60 Ah 5h 90 Ah 5h Battery charger Mal USS E CRT 80A Permissible rising falling gradient 18 Motor Constant performance 6 kmp h 300 W Constant performance 10 km h 500 W Range with 60 Ah gel batteries 6 km h 40 km with 80 Ah gel batteries 6 km h
9. nooo B SERRE B Plug assignment X1 external ON OFF key X2 external keyboard external joystick special oper ations PC service interface Bus Bus cable 27 POWER MODULE The power module PM view fig 6 3 stores the set tings of the driving parameters and adopts as the po wer electronic the addressing of the driving and stee ring motor respectively on two motor wheelchairs the addressing of both driving motors The inlets and outlets of the power module are short circuit proof so that the lead fuse is not applicable Further features are Automatic and selective deactivation of disturbed 6 3 outlets Green and red LEDs as a status indicator visible through the transparent lid During faultless func tion a green and red LED light up shortly after one another when switching on the wheelchair PLUG ASSIGNMENT i Magnetic brake rd Magnetic brake 2 a E Motor 1 BATTERY Motor 2 Hom Sens Verr Verr Redu Reserve Bus l Bel v r Bel h r Bel v l Bel h l Lenkservo Bus upper row from left to right Magnetic brake 1 magnetic brake on two motor wheelchairs left magnetic brake Magnetic brake 2 right magnetic brake only on two motor wheelchairs Horn enforced horn option Sens Magnet sensor speed Verr Micro switch magnetic brake Verr Micro switch drum brake only option Optimus Redu Speed reduction option Reserve ext
10. software updates for single modules is down loaded per internet from a Meyra Homepage Site and transferred to the respective module The software version installed on the modules of a vehicle should always show the same version number t Note We recommend checking the current status of the software version regularly over the internet SERVICE PROGRAM The service program item no 1051871 fig 6 5 is in stalled on a PC The PC is connected to the vehicle with a data cable For this the data cable is plugged into the serial socket of the PC and the 8 pin socket Service fig 6 6 A on the backside of the operating module view chapter Operating module Afterwards different functions can be executed Updating the CAN Bus software Influencing functions that are included in the CAN Bus software A function check resp error elimination based on the stored and current data 30 Z MEYRA Seiviceprogremn MEYRA CAN Serviceprogramm Programmieren Reparieren Functions of the service program The service program is divided into the sections programming repair information The amendments carried out with the service program become active after switching the wheelchair off and back on Precondition for the operation is one of the following operating systems Windows 98 ME NT or 2000 Section programming Wheelchair features locking or activating the amena
11. EE A A E P E E 20 reeL A SN E EEO E E E E E E E AA E T A E 21 Checking the alignment sasesana e a eai eias 21 Adjusting the alignment RT 21 SEUNG TS CISL O a TUER 22 lile E E E E E E E 23 Chan HINES T OS aee ce ert renee E E E EE ES EA EEEE EEEE EEE 23 PA Igi ERR AEA E AE OEA EE 23 Font WACO NER 24 CAN BUS Control 25 CAN Bus hardware RPRERO w WRWREE 26 Operaio MOUIE ce T TTE 26 Powar modul eene a E E ERE A E EERE E AREE 28 Pug cite M MP OE eae E Emm 28 Adj stment TOO osa entia diri a n n aiai ra RN dau EEUU PNEU HE 29 PPL AS SI UV TEN 29 PNGB US SOT EV iS NR RRRRERCPE oa a m 30 SOF VCS OF OC GUNN cscs E TE E 30 Driving ONO STIS sec cote cee ccieee gece secre cecdaciancen E cade uancuocsuamodesen Uonodoceguentestnues 33 Programming with the operating module iuueni nent Ennium cip snivdscurenmeuisunsndecevvenmedduarenceuaeecedens 34 Vo UE Iu DET uM Doro UNE TTD 34 Programming foil NEN RRRRRRRRRERC 34 Switching to the adjustment modus aesacdesarsus digas bcCusatec td oda dud Ceu Wo tania DA rr dUn e lC 2 ndn rdi cs 35 used C e 35 Adj sting th joystick Priority oss sasdus cele dstasd DE SUNUE Ead UnUUe Endqu S DURUCdU a Up IU RN ERE 35 Adjustment of the parameters oon res ti
12. ENT For replacement the complete steering unit fig 4 2 A with tie rod fig 4 2 B is supplied REMOVAL Remove the screw fig 4 3 C out of the handle for switching the steering from drive to push mode and remove the handle Screw off the rear panel view fig 4 4 Unplug the cables for the taillights Unlock the plug connections for the cables leading to the steering gear To unlock the locking lever press him down on the opposite side of the module Screw the angle joints fig 4 4 D at the ends of the tie rods off of the wheel suspension fig 4 5 Unscrew the steering gear from the upper and low er suspensions fig 4 6 E and remove them 19 FITTING Set the steering gear to push mode tie rods can be moved freely and check wether the disc fig 4 7 F is positioned on the steering gear as shown in fig 4 6 Screw the steering gear onto the upper and lower suspensions Start with upper screws t Note 20 The plastic pinion fig 4 8 G of the director is tuned from the manufacturer with a cable binder for fit ting After the steering gear is screwed onto the suspensions the cable binder has to be removed Screw the angle joints onto the wheel suspensions Check the alignment and adjust if necessary view chapter lt adjusting the alignment gt Lay the cables for the steering and reconnect to the p
13. ME Y HA The Motivation ELECTRONIC WHEELCHAIR OPTIMUS SERVICE MANUAL Table of contents BO SO ee 4 Technical Specifications ccccceeseeceeceessceceeeessceeceeuseeeeceeeaeeeeeeeusaeeseeenseeeeeeeueeeessauaeeeseeeageeesesaaeeeeeees 4 QUU cme r aiaia anA RAE 5 Carbon brushes MNT ROTER 5 ipu l eE E E E E E E saurtneaseranenicenadenanasiesn 5 FC eee il es E E E E E E A eames dene etemees 6 Seller ce or E E E E E E tes aes E 6 R placi ng the drive RU RN 7 Prepara ON TERRE 7 size OE EAE E A E E E 7 E E E 9 8 UN Gee E E E aeatpueete deere 10 Funcional CIN G16 MEE e TT ETT 10 B akose Ea EEE EE E EEEE D aa S e A E E EE a 11 MOTO DIAK ETE ETE 11 F nctonality REPRE enea EEA EEEE SENESE EARE EAEE ENEE Ena 11 Drum ETKEN E E O E UG du DE MUN UU 12 PDS CU o NR NE RET Ts 12 Replacing the bowden cable T T T To os 13 PTOI CIC Drake NIIT 14 PUIG RIOR AWE ER UT Et 14 REMOVA TORT 15 gundlglo meet C 15 AATU UN MEM ENT mmm 16 Funciona Me Ie d NET OT 16 RED AGG the bowden cable s cderorseuitrant cub euni qiue use issboneeE ai do qune tc ari ea e 17 LCG RING ee EIU E A E E 19 FR PN CS E A reeset de gases sag ign ean bonus di a i enu RM MIS A ENEA MEN EU UIN EU esa MR ICI MIN QUU UN dS 19 FR 1 7 RCNH EE E E E E 19 Aa e EE NEE E
14. MENT REMOVAL Remove the battery fuse from the fuse holder fig 8 6 E Remove all pole shoe caps fig 8 6 F Screw the four cables fig 8 7 G off of the battery poles Press the sideward tongues on the clip of the span ning belt fig 8 5 H together and open the clip Lift the batteries out FITTING The fitting is done analogue in reverse order Attention Replace the pole shoe caps on the battery poles e Otherwise danger of fire through short circuits r to D 49 FUSES BATTERY FUSE The battery fuse is switched in line in between the two batteries The battery fuse holder fig 9 1 A is located under neath the seat on the left hand side in driving direc tion at the frame ELECTRONIC SECURITY All electrical components except for the batteries are electronically protected by the power module fig 9 2 B The power module also sees to a power limitati on of the motors In case if a shortage only the defective component is deactivated All other components e g all other lights except for the defective one remain available After removal of the shortage the affected component is automatically activated again 50 MAINTENANCE Wheelchairs are medical devices of the class l MDD As a medical device they underlie the operator provision and are to be maintained regularly We r
15. a recorder for the current consumption of the adjustment motors fig 6 9 Section information Operating manuals Operating manuals stored on the PC can be viewed or printed Special operations Information to special operations stored on the PC can be viewed or printed Tipps amp tricks MEYRA Homepage Direct link to the MEYRA Homepage About us Version number of the service programs 32 Z Fehleilisten SWANOMOUSNAGUAGEN aus dem Rolsfuhnr Hier konnen Sie die Kundendsten cingeben Lrei etdu des CAN Buc Modde Hin werden die Fehleilisten der einzelnen Module angezeigt MIDERBO BAD LEER Bylem wengetiend en sden zelo zur Urzoche Bateria leet Meer bei 19V Vourertsg zu eee bebobounz Bites susce DRIVING PROGRAMS The software installed on the power module contains five driving programs with different driving behaviour You can for example call on separate programs for in door and outdoor use The user can change the dri ving behaviour of the wheelchair at any time by chan ging into a different driving program The manufactu rer settings of these driving programs can be viewed in table 1 Each of the driving programs is defined through the respective setting of the 9 parameters The parame ters are set by the manufacturer to the values shown in table 2 The values serve for orientation and should as a rule be maintained Should the demands of the user vary from the manufact
16. ag net is pressed against the heads of the hexagon sock et screw thus countering the hexagon socket screws Through the widening of the hexagon socket screws the feeler gauge regains a little slag With correct fine tuning the feeler gauge must now me move able slightly sucking between the anchor plate and brake magnet FUNCTIONAL CHECKS 16 Switch to push mode and check the free movement of the wheelchair Do a driving test Watch for unusual sounds Check whether the vehicle comes to a complete standstill on the maximum permitted downhill gra dient view type plate REPLACING THE BOWDEN CABLE Only without option drum brake r Note The pressure spring fig 3 15 A at the counter plate serves for the reduction of the brake lever way and expands the optimal area of effectiveness of the air installation Removal Remove the counter nut fig 3 16 B from the ad justment screw at the counter plate Pull back the adjustment screw fig 3 16 C and lift the bowden cable out through the slot Unscrew the counter nut fig 3 17 D from the adjustment screw at the brake lever Pull back the adjustment screw fig 3 17 E and lift the bowden cable out through the slot Remove the starlock quick fasteners fig 3 18 F from the eccentric fig 3 18 G and pull the eyelet fig 3 18 H at the end of the bowden cable from the eccentric Screw the eye screw fig 3 18
17. aged the vehicle may not be moveable at all t Note If the drum brake slips on one or both sides even though the adjustment is correct the drive has to be sent in for maintenance REPLACING THE BOWDEN CABLE During replacement take care that the short bowden cable cover runs from the lower adjustment screw fig 3 5 H to the right brake arm fig 3 5 on right side use For left hand operation it has to run from the lower adjustment screw to the left hand brake arm After replacing the bowden cable adjust the drum brake 13 MAGNETIC BRAKE A magnetic brake fig 3 6 I is flanged to the motor fig 3 6 J After the driving wheels come to a still stand the magnetic brake instantly prevents rolling on inclines or slopes FUNCTIONALITY The disc form brake pad fig 3 7 K is located between the flanged friction discs fig 3 7 L and the axially moving anchor disc fig 3 7 M and is mounted swiv el proof through a hub to the motor shaft Braking condition In a powerless state of the brake this corresponds to a standstill of the vehicle a central pressure spring un derneath the piston fig 3 8 N presses the brake pad over the anchor disc against the friction disc This pre vents a rotation of the motor Over the motor and the connected drive the vehicle is prevented from roll ing Driving condition With the battery current engaged the brake magnet fig 3 8 O creates a magnetic fi
18. alogue in reverse order COLLECTOR The collector fig 2 10 L located between the carbon brushes is also to be checked for damages To check them remove a carbon brush retainer ts Note The slight grinding marks caused by the carbon brushes correspond to their normal wear and have no influence on the performance of the motor Ex treme recesses have to be smoothed out If partial segments have been broken out or are extremely burnt the drive unit has to be replaced REPLACING THE DRIVE UNIT The drive unit fig 2 11 can only be replaced as a com plete driving unit with the exception of the magnetic brakes PREPARATIONS Jack up the vehicle under the battery case so that the front wheels move freely Swivel the seat up Pull the battery fuse fig 2 12 A out of the fuse holder Remove the pole shoe covers from the battery poles Disconnect all four cable connections from the bat tery poles fig 2 13 B Prevent the seat from swivelling down for exam ple with a wood strip between the seat and chassis rz Note Slight tension can occur on wheelchairs with seat inclination adjustment Code 118 of the seat low ered completely Adjust to a tension free position Carefully turn the button fig 2 14 C off of the seat lock without pulling on it In doing so hold onto the pin of the seating lock fig 2 14 D onto which the button is applied
19. ature supervision of the adjustment motor module was activated Suggestion for trouble shooting User error Short circuit at an ad justment motor Short circuit at an adjustment motor Not implemented Battery largely di scharged Battery deep dischar ged Overload off an adju stment motor High temperature er ror VM 43 REPLACING THE CAN BUS MODULES The power module fig 6 22 A is installed behind the rear panel on the underside of the seat The adjustments module fig 6 22 B when existent is installed behind the rear panel on the underside of the seat REPLACEMENT ALL MODULES Switch the vehicle off Remove the battery fuse from the fuse holder Unlock all plugs and pull them off of the module that is to be replaced To unlock the locking levers press them down on the opposite side of the mod ule Disassemble the module and mount the replace ment module Plug all plugs back into the new module t Note Most of the plugs are secured against interchange In case of doubt follow the cables back All sockets on the modules are labelled also view the images for plug assignment in the corresponding chapters Replace the battery fuse and switch the vehicle on ts Note When error messages occur check all plugged con nections for correct allocation and faultless fit Oth erwise view chapter lt CAN Bus error list gt 44 CHECKING THE CABLE LAYOUT
20. ay has been recognised as open even though it should be closed Suggestion for trouble shooting Error no further rele vant Short circuit of the power stage in the motor cable or the motor itself Short circuit of the power stage motor cable error motor defective brushes Battery over voltage Error in the BM Bus cable error Error in the BM Bus cable error Main relay error er ror in the power sta ge motor cable error motor defective brushes Better Software version 4 and up Relay error Better Software version 4 and up Error Number E31 E32 E33 E34 E35 E36 E37 E38 E39 E40 Type of Error ERR WRONG EEP PARA ERR WRONG CTR STATE ERR LOC SW END ERR LOC SW BRAKE ERR LOC SW LOCK ERR LOC SW STEER ERR LOC CHARGE ERR LOC LOCK ERR JOY ERR INIT ERR PM Short info to the cause A wrong module entry in the EE PROM was found The processing control of the con troller is in an unknown state The end switch is active therefo re the driving mode is disrupted The brake switch is active there fore the driving mode is disrupted The locking push switch is acti ve therefore the driving mode is disrupted The locking steering switch is active therefore the driving mode is disrupted Charging is taking place on an operating module therefore the driving mode is disrupted The anti theft device is active on the active operatin
21. b also change the tubes ALL WHEELS Disassemble the old tyre Jack up the vehicle Remove the wheel screws fig 5 1 A and take the wheel off Completely deflate the tyre Press the fitting surface of the tyre inward into the recess fig 5 2 B Apply two mounting lever close beside each other between tyre and rim and lever the tyre off of the rim at this location start at the valve fig 5 1 C Apply both mounting levers constantly further one apart and pull the tyre over rim horn fig 5 2 D Pull out the tube Remove the second half of the tyre Mounting the new tyre Pull the fitting area of the new tyre over the rim horn with the mounting levers Insert the new tube into the tyre Insert the valve fig 5 1 C through the valve hole in the rim Fill up the tube until it is barely without pressure Pull the other fitting area of the tyre onto the rim starting opposite of the valve 23 Attention During assembly the rim or the mounting lever may not damage the tube or let it be jammed o Pump the wheel up to a pressure of 2 5 bar Fit the wheel onto the hub and screw in the wheel screws Tighten the wheel screws to the predetermined torque View chapter Maintenance DIN norms and guidelines Jack down the vehicle FRONT WHEELS Attention Mount the rim with the magnets fo
22. bility of driving be haviour over the operating module fig 6 7 locking or activating the program selection P1 P5 for the user selecting horn function setting the switch off period activating deactivating the magnetic lock setting the wheel diameter Driving programs programming the driving parameters 1 9 for the driving programs P1 P5 amendment of the driving behaviour External keys Setting the functions for external keys Records Current operating software download of new wheelchair software to the wheelchair Setting the wheelchair type Basic settings resets the parameters to the manu facturer settings Setting the driving parameters back to the manu facturer settings Adjustments Adjusting the adjustment motor voltage Z Rollituhleigenzcheften Rollstuhleigenschaften 31 Section repair Joystick values Display of the signal values from the joystick to the motor director System multimeter Measuring the battery voltage motor voltage and motor current Data recorder for the current consumption of the motor Error list Input item for customer data Error count by readout of all error lists of the CAN Bus modules fig 6 8 Time indicator for the last 10 errors Error description for the listed error codes Update per internet Internet connection for downloading new software Adjustments Dat
23. ecommend at least once a year The work done and replacement of essential parts is to be documented For the documentation in the course of the maintenance the itemised maintenance check list can be used The maintenance checklist is designed for duplication through copying The filled in maintenance checklists are to be ad ded to the documentation With the signature the undersigned declares to have duly performed the measured decla red in the maintenance checklist Designation Vehicle Identification number Year of construction Stamp of the executing workshop MEYRA The Motivation Maintenance Inspection date Maintenance Inspection done by Signature 51 MAINTENANCE CHECKLIST ELECTRICAL SYSTEM Batteries Q No external damage or stains on the batteries Q Attachment cables tight on the battery contacts U Poles and attachment clamps cleaned and greased with Vaseline or Acid protector grease Q Operation capability of the batteries ensured capacity check Q Spanning belts for the attachment of the batteries undamaged and tightened correctly Q With liquid batteries Acid level checked view chapter lt maintenance of liquid batteries gt Electrical conduits and alignment Q Steering battery and motor cable a undamaged b layed out stress relieved and without jamming points view chapter lt replacement of the CAN Bus modules checking the cable layout gt Q Plugged connecto
24. ect toe in is achieved view chapter checking the alignment Tighten the counter nuts again ts Note During the adjustment the symmetry in length has to be observed meaning both tie rods have to be the same length Attention Under no circumstance may the straight course be e created through different length tie rods 21 SETTING THE DIRECTOR The director actually a measuring potentiometer is connected to the steering through gears It signals to the power module in which setting the wheels currently are so that the motor is addressed accordingly The gears synchronise the steering and director If the gears have shifted to each other by one or more teeth the wheelchair will drive a curve while the joystick is set to a straight course The director then has to be realigned Set the joystick minimally to backward motion so that the steering gear engages but the wheels do not start to turn Pull off the gear fig 4 11 K that is attached to the director counter clockwise to the spring pres sure of the gear at the steering gear fig 4 10 turn it by one tooth and replace it Check the effect to the steering behaviour and repo sition the gear accordingly until on backward straight joystick setting no steering reaction is no ticeable 22 UW 7 d d 4 T A Nag i TYRES CHANGING THE TYRES t Note a always change the tyres in pairs
25. eld that pulls the an chor disc against the force of the central pressure disc Through this the brake pad and the motor shaft con nected via the swivel proof hub can now move freely The wear of the pads can make an adjustment or re placement of the pads necessary Push mode In the push modus the central pressure spring is me chanically pulled away and sets the brake pad free With drum brake option The central pressure spring is pulled back by throwing the drive push modus lever fig 3 8 Without drum brake option The central pressure brake is pulled back by the by the brake hanger fig 3 9 14 REMOVAL Remove the front panel Without drum brake option Set the brake lever to push mode Disassemble the brake bowden cable view chapter magnetic brake replacing the bow den cable With drum brake option Set the selection lever fig 3 10 Q to push mode Removal and installation of the magnetic brake is done with 3 hexagon socket screws fig 3 10 P Remove the hexagon socket screws fig 3 9 and take out the magnetic housing together with the anchor disc and adjustment pieces fig 3 10 R from the motor Pull the brake pad from the swivel proof hub on the motor shaft t Note The brake pad must easily let itself be pulled off of the star formed tappet Otherwise work the teeth ing of the brake pad with a key file unti
26. ernal power supply Bus Bus cable bottom row from left to right Motor 1 motor on two motor wheelchairs left motor Battery battery cable Motor 2 right motor only on two motor wheelchairs Bel v r lighting front right Bel h r lighting rear right Bel v l lighting front left Bel h l lighting rear left Lenkservo steering motor Bus Bus cable 28 ADJUSTMENT MODULE When applying adjustment units the vehicle is fitted with an adjustment module VM fig 6 4 for addres sing the adjustment motors The adjustment module is available in two different versions VMI for 4 adjustment drives backrest tilting and two legrests VM1 for 6 adjustment drives needed for additional seat height adjustment The output current 0 to 10A and the output voltage 6 4 0 to 24V can be adjusted Further features are Gentle motor initiation operation via keys and or Joystick s Green and red LEDs as a status indicator During faultless function a green and red LED light up short ly after one another when switching on the wheel chair x3 X1 Verst 5 X2 Bus EE E HEH Verst A Verst 3 Verst2 Verst 1 Bus Aux ae m L l PLUG ASSIGNMENT XX end switch on two motor wheelchairs and on the adjustment motor 1 mounted to the back end switch adjustment motor 1 On one motor wheelchairs end switch ad justment motor 2 X1 Swi
27. es view type plate Q The magnetic brake engages about one second after releasing the drive impulse lever Q With selected push mode no driving function reacts MECHANIC Seat Q Seat lock engages flawlessly Q Armrests attached correctly Torque according to table Frame Coachwork Q Frame parts coachwork do not show signs of deformation or fractures Q Panels are screwed on at each available attachment point 53 Tyres and rims Tread pattern depth of the tyres is greater than 1 5 mm Tyres free of damages or foreign bodies and not brittle Air pressure front and rear 2 5 bar Hubs do not show tears or raptures Hubs without axial run out of more than 2 mm Wheel attachment screws tightened with the value indicated in the table C D OC UU OU Wheel with the magnet for the speed sensor is mounted to the right side Chassis Q Screws with which the drive is attached to the vehicle tightened to the value in the table DIN NORMS AND GUIDELINES Table Torque according to DIN for screwed connections The torque according to DIN for screwed con nections can be extracted from the table at the side Thread diameter Tightening torque Tyres Filling pressure front 2 5 bar M 4 Nm Filling pressure rear 2 5 bar Minimal profile depth acc to STVO 1 5 mm M 5 Nm M 6 10 Nm M 8 25 Nm M 10 50 Nm M 12 85 Nm The Motivation MEYRA Wilhe
28. g module the refore the driving mode is disrup ted The joystick has been noticed as faulty on the active operating module therefore the driving mode is disrupted An error occurred during initiali sation of the power module the refore the driving mode is disrup ted Suggestion for trouble shooting Software error Software error No error speed reduction No error Display S B No error Display S S No error Display S L No error Display Loc No error Display SCH Joystick error error in the local voltage pro vision Software error PM 41 Error Number E41 E42 E43 E44 E45 E46 E47 E48 E49 42 Type of Error ERR_INIT_ERR_BM1 ERR_INIT_ERR_BM2 ERR_INIT_ERR_VM ERR_BRAKE ERR_BRAKE_FAIL ERR_MOT ERR_SERVO_POTI ERR BM JOY ERR ERR BM DMS ERR Short info to the cause An error occurred in the initiali sation of the first operating mo dule therefore the driving mode is disrupted An error occurred in the initiali sation of the second operating module therefore the driving mode is disrupted An error occurred in the initiali sation of the adjustment motor module therefore the driving mode is disrupted An error of the brakes was notices An error in the addressing of the brakes was noticed An error was noticed during the initialisation of the motor addres sing power current at 0 PWM An error was noticed during the superv
29. he DMS line against 24V noticed PM CAN WD timeout BM1 The operating module 1 did not send a WD message CAN WD timeout BM2 The operating module 2 did not send a WD message Suggestion for trouble shooting Software error time out Software error Software error Low voltage power UP power DOWN error Motor overload high temperature PM Motor overload po wer integration error in the power measu rement Error in the power measurement PM Better Software ver sion 4 and up Bus cable error error in the switch on logic BM Bus cable error error in the dead man switch logic joystick error Bus cable error Bus cable error 39 Error Number E23 E24 E25 E26 E27 E28 E29 E30 40 Type of Error CAN WD timeout VM Motor short circuit Motor idle Over voltage ERR_ON_BM_1 ERR_ON_BM_2 ERR RELAIS CLOSED ERR RELAIS OPEN Short info to the cause The adjustment motor module did not send a WD message Short circuit of the drive motors The drive motor is running idle missing load An over voltage gt 35V was detec ted for a period of more than 100ms The first operating module did not answer to the CAN BM ON REQ message The second operating module did not answer to the message CAN BM ON REQ The relay has been recognised as closed even though it should be open or motor contact collector carbon brush error The rel
30. he RAM was noticed An error in the ROM was noticed An overflow of the stack was noticed An error was noticed during in itiation of the EEPROM EEPROM is not accessible A checksum error was noticed in the EEPROM but the EEPROM its elf is accessible Error during initiation of the CAN controller The CAN module has switched into the error passive mode The CAN module has switched into the bus off mode Receiving buffer overflow of the CAN module Suggestion for trouble shooting Local error Local error Local error CPU error CPU error CPU error EEPROM error EEPROM error possibly power UP power DOWN CPU error Bus error cable driver module Bus error cable driver module Bus error cable driver module Error Number E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 Type of Error Short info to the cause Error 10ms The maximum period of the 10ms tak was injured ERR_WRONG_SYS_STATE The system processing control is in an unknown state SW Power Fail The software has detected low voltage High temperature A high temperature of the power stage was noticed The I2T supervision was activated ERR OFFSET ERROR The automatic offset reconciliati on of the power measurement has failed PM BUS ON error No operating module activated has been reported there is ob viously a shortage of the BUS ON line against 24V DMS error Shortage of t
31. hten the screws for the wheel attachment with 20 Nm ts Note After completion of all assembly work the drum brake has to be adjusted view chapter lt drum brake adjustment gt FUNCTIONAL CHECKS Inspection during standstill Check all attachments and connections Do a visual check of the complete vehicle Switch to pushing mode and check the smooth ma noeuvrability of the vehicle Switch to driving mode switch the vehicle on and check the battery voltage Check all lighting components for functionality Test drive Initially drive carefully and observe if the driving behaviour of the vehicle has changed Watch for unusual sounds Conduct a braking test 10 BRAKES r Note Switch the vehicle off in push mode This makes pushing the vehicle easier The vehicle is fitted with a double security system con sisting of the drum brake option the motor brake and anelectro magnetic spring pressure brake magnetic brake MOTOR BRAKE The function of the motor brake evolves by the type of approach of the motor through the power electron IC FUNCTIONALITY With retracted driving lever the induced motor volt age is short circuited by a programmable tacting fre quency that continuously brakes the vehicle down to almost stillstand With the programmable tacting frequency the brak ing process can be adjusted from soft to
32. ir pe tu tin oio spuau s dc kou eO ina simos x deci Uus raies a das Fan 36 Concluding the adjustment MOdUS Loud ciuctbutiumud ueste uewute onim rU queue aiaa iiaeia aaeain 37 Quick reset to standard values sss nehmen eene ne rennen repetere retro rr rere renis 37 aa E US COF VGC E c 38 Replacing the CAN Bus modules union cad taadkcuuedreenenouixiru uto sean Me Gud dicia pude ar ag Laos du rre re od Cuni etai 44 Replacement all modules RT 44 checking the a TayoUT ss TTE 45 ETa e E HERES TEL 46 R placinog MIG 9 PERI RE E desmeeuen aac aneeisnaan 46 Adjusting the headlights ssusenceste ud meten dpud EEEcxa d UreD odium tORRU Du estate donee xb vav ROUEN EINE 46 f RC AL NETTE TE 47 CHa GO MERERI 47 batter cenare S osoendunientasdisev E UOS ACE e PIG oU amd sce up deen cda PEE n URUNUR IM RESTE 47 PAS E olde IEEE T 48 Maintenance of liquid batteries usa cu rie rea Eau iu PUR etae Vere CFR Ede UDCR o DUAE THO ecu TN CUC HM ERU UU 49 ReDIac Sms Ester iene AAE QUIT MIU RV DINUR M IM IM EI EN UMS RV HN DIN TIE 49 REMOVA MORTE C 49 FI eee t a 49 FUSES anne EE AAE A EEE EE A AEE EE 50 Bary ME Nu 50 Electronic security oaestereaacieeecceenencnutionisinnsnitecwnbtonaniesccucetearsnaainontadhumiauudntancnctucedanvonnalenauouiedaeunuasanutainndanns 50 Mailhtenhalite oraren tee aE EE aE
33. ision of the steering servo potentiometer An error was noticed during the supervision of the joystick BM An error was noticed on an ope rating module in the DMS signal generation Suggestion for trouble shooting Software error BM1 Software error BM2 Software error VM Brake error brake drive error Brake error brake drive error Error in the power sta ge of the drive PM1 PM2 Error in the cable to the steering servo or at the encoder of the steering poti Joystick error BM Joystick plug connec tion cable Joystick error BM Joystick plug connec tion cable conductor board Error Number E5O ERR VM BM INPUT ERR VM FAULT 14 E51 E52 E53 E54 E55 E56 E57 E58 E60 Type of Error ERR_BAT_LEER ERR_BAT_TIEF Battery deep discharged at 18V ERR VM I2T ERR ERR VM OVERTEMP Not allocated ERR VM FAULT 56 ERR VM OFFSET Short info to the cause By error a plug of an external BM accessory was attached to one of the adjustment motor modules An error in the addressing of the motors 1 4 occurred in one of the adjustment motor modules An error in the addressing of the motors 5 6 occurred in one of the adjustment motor modules The offset alignment of the power current measurement of the ad justment motor module failed Battery empty pre warning at 19V The I2T supervision of the adjust ment motor module was activated The high temper
34. isplay shows PJO Align the joystick in the desired priority sequence The joystick that is aligned first has the highest priority The joysticks that are not aligned are deac tivated While the first joystick is aligned e g the external joystick for an attendant fig 6 13 the display changes to Display and so forth PJ 1 Press the joystick key The program is ended The corresponding LED goes off and the display again shows HHH rz Note Joysticks that are not moved during the adjustment are deactivated P1 P2 P3 P4 P5 y Programmwahl 35 ADJUSTMENT OF THE PARAMETERS Selecting the driving program Press the P1 P5 key fig 6 14 4 The P1 P5 key LED lights up The LED for the program 1 P1 lights up in the program number display for P1 to P5 fig 6 14 5 r Note By pressing the left key fig 6 15 6 or right key fig 6 15 7 the driving program is determined with in which the adjustments to the parameter contents are to be made The selected program is indicated through the lighting up of the corresponding LED The display shows the first parameter of the selected program and its contents e g 1 5 for the first para meter with the adjusted parameter value 5 Selection of the parameter Press the bottom service key fig 6 16 8 to select the parameter from the parameters 1 to 9 that is to be set Changing the parameter va
35. l they fit faultlessly Remove the friction disc from the motor FITTING The fitting is done corresponding in reverse order fig 3 11 and 3 12 Attention After fitting the magnetic brake has to be readjust e ed view chapter Adjustment Attention If the tappet has to be removed from the motor e Shaft you have to check for the correct position of the hub when witting if back on The hub side of the tappet has to face away from the motor 15 ADJUSTING Attention Work has to be carefully carried out during the ad e justment is Note The magnet brake for the E wheelchair without optional drum brake is done in the same fashion The adjustment is done with three adjustment pieces hollow hexagon screws and the hexagon socket screws stuck through them Push a 0 2 m thick feeler gauge fig 3 13 S from the outside between the anchor disc and brake mag net until it comes to rest on two adjustment pieces Pull off both hexagon socket screws fig 3 13 T that are inserted in the adjustment pieces while si multaneously slightly moving the feller gauge back and forth until the feeler gauge can just barely be moved Repeat the same procedure at another pair of ad justment pieces in a 120 turn Repeat the adjustment several times all the way around Turn the adjustment pieces with the hexagon head against the friction disc fig 3 14 The brake m
36. lm Meyer GmbH amp Co KG Company address Meyra Ring 2 D 32689 Kalletal Kalldorf Telephone 49 0 5733 922 311 Telefax 49 0 5733 922 143 e mail info meyra de Internet http www meyra de Postal address Postfach 1703 e D 32591 Vlotho 54 NOTES 55 Stamp of the authorized dealer MEYRA The Motivation MEYRA Wilhelm Meyer GmbH amp Co KG Company address Meyra Ring 2 D 32689 Kalletal Kalldorf Telephone 49 0 5733 922 311 Telefax 49 0 5733 922 143 e mail info meyra de Internet http www meyra de Postal address Postfach 1703 e D 32591 Vlotho Subject to technical modifications 205 304 501 Status 11 2002
37. lue Pres the up key fig 6 17 9 or down key fig 6 17 10 to change the content of the parameter to a value between 1 and 9 Select any further parameters view chapter lt se lection of the parameter gt and adjust their values Concluding the parameter settings Press the P1 P5 key fig 6 18 11 The program is ended The corresponding LED goes off and the dis play again shows HHH 36 QoooQ P1 P2 P3 P4 P5 Programmwahl lt 6 15 99900 P1 P2 P3 P4 P5 Programmwahl 4 CONCLUDING THE ADJUSTMENT MODUS In order to conclude the adjustment modus and switch back into the driving modus the same keys are pressed in the same sequence as when starting the adjustment modus while the vehicle is switched on Press the lower and the right service key fig 6 19 12 simultane ously and keep the pressed Additionally press the left service key fig 6 19 13 and release it again This switches the wheelchair off Then release all keys After the next switching on the display will show 0 0 KMH after the initialisa tion as a signal that the adjustment modus has been deactivated and that you have returned to the nor mal driving operation QUICK RESET TO STANDARD VALUES Should you have lost the overview during the adjust ments it is possible with an easy way to reset to the standard ma
38. nges In order to make allocation of these functions easier a programming foil Order no 1 052 967 view fig 6 10 is placed onto the operating field of the operating module This foil displays the key functions that are activated when pressing the keys while the adjustment modus is active Key allocation in the adjustment modus with applied programming foil fig 6 10 A Service keys B Joystick key C P1 P5 key D Left key E Right key F Up key G Down key 34 4 P ogrammierfolie Pp SWITCHING TO THE ADJUSTMENT MODUS Switch the wheelchair on Press the lower and the right service key fig 6 11 1 simultaneously and keep the pressed Additionally press the left service key fig 6 11 2 and release it again This switches the wheelchair off Then release all keys After the next switching on the display will show HHH after the initialisation as a signal that the adjustment modus has been acti vated FUNCTIONS Adjustment of the driving behaviour consists of two parts Pressing the joystick key fig 6 12 3 the joystick priority of the maximally connected 3 joysticks can be determined Pressing the P1 P5 key fig 6 14 4 The parame ters for the driving behaviour can be set rz Note Both keys are locked against each other ADJUSTING THE JOYSTICK PRIORITY Press the joystick key fig 6 12 3 The joystick key LED light up and the d
39. nufacturer values and at the same time exit the adjustment modus again Initial situation The adjustment modus was activated and to adjust the driving behaviour parameters the P1 P5 key was pres sed This is evident through the lighting up of one of the LEDs marked P1 to P5 Measure For quick adjustment repeatedly press the P1 P5 key fig 6 20 14 The display shows HHH Then simultaneously press the up key fig 6 21 15 and the down key fig 6 21 16 The display im mediately shows 0 0 KMH The adjustment modus was ended automatically through the key combina tion and the vehicle has switched to the normal driv ing operation The vehicle now drives with the man ufacturers standard parameter settings again Programmieriol ur 00000 P1 P2 P3 P4 P5 37 CAN BUS ERROR LIST Error Number E00 E01 E02 E03 E04 E05 E06 E07 E08 E09 E10 E11 38 Type of Error Watchdog power fail Watchdog Reset Watchdog Failure RAM error ROM error Stack error EEPROM error init EEPROM error check CAN error init CAN error passive CAN error off CAN error overflow Short info to the cause The WD module has detected low voltage During initiation it was noticed that the reset was activated throu gh a WD timeout An error in the Watchdog modu le was noticed An error in t
40. off of the frame and remove it together with the complete bowden cable Fitting The fitting is done analogue in reverse order Attention The starlock quick fastener has to be replaced un e der all circumstances During fitting you have to watch for the professional assembly of the starlock quick fastener ts Note The eye screw has to aligned before fitting so that the bowden cable is not bent at the adjustment screw After fitting the bowden cable must be adjusted again 17 Adjusting The bowden cable is adjusted with the adjustment screw at the brake lever fig 3 17 E and the adjustment screw on the eye screw Loosen the counter nuts at the counter piece and the brake hanger Adjust the bowden cable with the adjustment screws To do so turn the adjustment screw against the nut t Note The bowden cable is adjusted correctly if the mag netic brake already shows effect when the switch ing if the micro switch fig 3 19 K can be heard Tighten the counter nuts again ts Note After the adjustment the following must be checked a with disengaged brake push mode the vehicle has to be pushed easily bowden cable taut b While the brake is engaged the vehicle may not be moveable at all 18 STEERING As a standard the Optimus is fitted with electrical stee ring completely mechanically operating steering op tional REPLACEM
41. or more than 60 to 90 Ah batteries for Optimus t Note On the Optimus When changing from 60 Ah to 75 resp 90 Ah batteries use the 12 A charger so that especially when driving a lot the charging cycles remain limited and the batteries are fully charged r Note When replacing the plug Part No 206 917 100 a bridge view inner view of the plug Fig 8 3 A must be soldered between the contacts 2 mass and 3 so that the operation module shows the charging sym bol and the driving lock is engaged 47 TYPES OF BATTERIES Liquid batteries about 150 to 300 charging cycles are filled with diluted sulphuric acid and have screwed sealing caps fig 8 4 B Benefits short charging cycles complete charge overnight small acquisition costs Disadvantages not leak proof not maintenance free susceptible to deep discharge Fleece bound batteries and gel batteries about 400 to 600 charging cycles cannot leak and have a clo sed housing fig 8 4 C Benefits leak proof maintenance free less sensitive when deep discharged long storage possible without recharging Disadvantages high acquisition costs less km h performance with the same Ah value as acid batteries view chapter lt technical data gt ts Note Do not use starter batteries but only batteries that are declared as driving power or traction ba
42. ower module Bind the cable for the steering and the cable of the left tail light together with a cable binder Attach the cable under the seat with the mounted cable binders Reconnect the plugs of the cables for the taillights in the rear panel Screw on the rear panel Mount the handle and screw it on ALIGNMENT CHECKING THE ALIGNMENT Remove the rear panel Set the rear wheels for a straight course Hold the alignment measure fig 4 9 H between the front rim horns and adjust so that the ends barely tough the rim horns Hold the alignment measure between the rear rim horns fig 4 9 I The alignment is adjusted correctly when the rear rim horns are 2 mm further apart than the front rim horns 2 mm toe in t Note As a replacement for the wheel alignment measure you can also use two boards of about 30 cm length 1 Hold the boards parallel beside each other so that the end of one of the boards sits on the front rim horn of the left wheel and the end of the other board on the front rim horn of the right wheel 2 Draw a continuous line above the boards 3 Hold the boards in the same fashion onto the rear rim horns In correct adjustment the two par tial lines must have been pulled apart by about 2 mm ADJUSTING THE ALIGNMENT Loosen the counter nuts fig 4 10 J inside and outside on both tie rods Turn the tie rod until the corr
43. r the speed gauge e fig 5 3 E to the right side 24 CAN BUS CONTROL The CAN Bus Control consists of the modules those are the electronic hardware components and the CAN Bus Software The CAN Bus software is installed in the modules and controls the vehicle Over the bus cable data is transferred between the modules of the vehicle view diagram below The or ganisation of the data is performed by the CAN bus software CAN Bus Control CAN operating module Bus cable Bus cable To the PC j Hand brake DEOR O Push switch left motor n Speedometer 6 e Lighting 69 M Enforced horn option Steering right motor CAN Adjustment module 2 x 12V batteries CAN BUS HARDWARE The hardware of the CAN Bus control consists of Operating module Power module Adjustment module option The modules used for the CAN bus control have cables that are pluggable and secured against unin tentional deletion fig 6 1 are code secured against swapping and are protected against spray water IP 54 OPERATING MODULE The operating module BM fig 6 2 serves as the dri ving switchbox and has the following features 26 same operating module for all vehicles with CAN bus control enforced joystick with dead man function LED report for lighting three digit switchable speedometer display option ally speed in km h
44. rs undamaged and not corroded UO Are the cables to the lighting units and sensors undamaged and attached correctly CAN Bus Control Q Keys on the operation module work bounce free Q Controlling display functions Q Keyboard foil undamaged and tightly glued Q Key lock function flawless QO Joystick functions easily and returns from arbitrary drooping back into the home position Lighting Q Do all components of the lighting equipment function Q Dispersion plates and bulbs undamaged O Headlights adjusted correctly Q Passive lighting reflectors on the rear and sides complete and undamaged 52 Driving behavior E O O DO vo L Q Test drive done Personal barriers of the user regarded during the adjustment of the driving features Variation from the adjusted maximum speed not more than 10 on level surface Vehicle drives straight with straight setting of the joystick Level at which no driving impulse is given Zero zone for forward and backward motion iden tical When steering into curves automatic speed reduction of the set speed Working angle of the reduction automatic the same left and right Braking behaviour QO Braking distance after releasing the drive impulse lever at max speed and loaded with the max permitted weight is achieved 1 m braking distance at 6 km h 2 m braking distance at 10 km h Q Magnetic brake holds the max permitted loaded vehicle safely on the permitted incline Valu
45. t through any binders that cannot be opened view fig 2 21 Unlock the plug connectors of the speed sensor the magnetic brake and the micro switch for push modus remove them from the power module and extract the cable harness To unlock the locking levers press them down on the opposite side of the module Lever off the ball ladle of the transverse control arm after removing the security hanger fig 2 22 M Screw the stopper discs fig 2 23 N off of the rock er While doing so observe the following danger indications Attention When removing the stopper discs hold on to the drive so that it cannot fall down view fig 2 24 After removing the stopper discs slowly lower the drive Remove the springs fig 2 26 O as well as the low er spring guides fig 2 26 P Screw off the screws for the attachment of the drive fig 2 25 Q While doing so secure the drive against falling down Remove the drive unit FITTING The fitting is done analogue in reverse order Attention Secure the screws for attaching the drive unit fig e 2 26 R with Loctite 243 ts Note The cable harness has to be repositioned Guide the cable in font of the resting plate fig 2 26 S and underneath the shaft for the brake lever also com pare fig 2 17 and 2 21 Afterward refasten the cable harness to chassis and sea again with cable binders Torque indication Tig
46. tch reserve X2 locking switch adjustment motor 5 against adjustment motor 2 X3 locking switch adjustment motor 2 against adjustment motor 5 X4 end switch adjustment motor 4 Verst 1 Adjustment motor 1 electrically adjustable legrest left code 86 Verst 2 Adjustment motor 2 electrically adjustable legrest right code 86 Verst 3 Adjustment motor 3 electrically adjustable seat angle code 118 Verst 4 Adjustment motor 4 electrically adjustable back code 25 Bus Bus cable Only Adjustment module 2 VM2 Verst 5 Adjustment motor 5 with end switch electrically adjustable seat height code 27 Aux optional outlet AUX 29 CAN BUS SOFTWARE The CAN Bus software is installed on all modules Operating module power module and adjustment module have different tasks That is why different parts of the CAN Bus software are installed on them A series of functions are included in the CAN Bus soft ware Some functions such as driving behaviour switch off period define the features of the wheelchair and can be amended Other functions such as diagnostic functions error lists act for the service and repair The amendable functions can be adjusted a indirectly through the service program in con nection with a PC all functions available b directly through the operating module only amendments to the driving behaviour The main portion of the setting for amendable functions is centrally stored on the power module Current
47. tter ies Starter batteries are not suitable for transfer of small and middle currents over a longer period of time Furthermore the maximal capacity sinks very rapidly in starter batteries Even though the acquisition costs are higher the use of traction bat teries is more economical t Note When replacing old batteries choose generously di mensioned batteries if possible With scarce bat tery capacity the batteries run risk of being emp tied into the damaging area of deep discharge during operation Only use types supplied by Meyra or those offered as replacement 48 MAINTENANCE OF LIQUID BATTERIES Power batteries that are cyclically strained need to be charged above the gas dimerisation due to the demand for short charging cycles and the necessary acid blen ding This means water consumption by water disrup tion that must be balanced through regular refills For refilling only use distilled water Charge the batteries completely Screw out all sealing plugs fig 8 5 D Attention Battery acid is caustic In event of acid droplets on the skin in the eyes or on clothing rinse immedi ately under running water If necessary place an emergency call o Fill up missing acid level with distilled water The acid level is correct when it is a just above the filling hole insert or b approx 5 mm above the top edges of the plates Replace the sealing plugs REPLACE
48. urer settings the values for amen ding the driving characteristics are to be changed Table 1 Standard manufacturer setting of the driving programs Program Characteristic Program 1 standard driving behaviour outdoor Program 2 slower softer driving behaviour indoor Program 3 top speed as in program 1 but softer driving behaviour Program 4 top speed as in program 2 but harder driving behaviour Program 5 standard driving behaviour outdoor Table 2 Standard manufacturer setting of the parameters Programs Parameter P1 09 05 05 05 05 05 05 05 05 P3 P4 P5 No Description 05 09 05 09 top speed forward top speed backward acceleration straight course braking straight course top speed in curves acceleration in curves braking in curves Zero zone steering o O N A Ul A W N sensitivity of the steering 33 PROGRAMMING WITH THE OPERAT ING MODULE The following functions can be amended directly throu gh the operating module Adjustment of the parameters Setting the joystick priorities ADJUSTMENT MODUS For adjustment of the driving behaviour through the operating module you have to switch from the driving modus into the adjustment modus This is done by pres sing a certain key combination on the operating mo dule view chapter switching into the adjustment modus PROGRAMMING FOIL When the adjustment modus is activated the function of the keys cha
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