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Meyra iChair DYNAMIC 1.623, Руководство по техническому обслуживанию и ремонту, Страница: 1 / 48

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Maintenance and Service manual

Electric wheelchair

Model: 1.623 iChair DYNAMIC

en

Содержание iChair DYNAMIC 1.623

Страница 1: ...Maintenance and Service manual Electric wheelchair Model 1 623 iChair DYNAMIC en ...

Страница 2: ...2 ...

Страница 3: ...rt 12 Mechanically adjustable leg support 12 Height adjustment of the footplate 12 Height adjustment of the calf plates 12 Depth adjustment of the calf plates 12 Angle adjustment of the footplate 13 Replacing the tension spring of the footplate 13 Depth adjustment of the leg support 13 Arm supports 14 Adjusting the height of the arm supports 14 Setting the memory function 14 Locking the arm suppor...

Страница 4: ...Seat 19 Remove the arm supports 19 Adjusting the seat depth 19 Adjusting the seat plate 19 Adjusting the seat depth 20 Adjusting the seat frame 20 Wheels 21 Wheel change 21 Disassembly of the wheels 21 Assembly of the wheels 21 Replacing the decorative applications 21 Changing the tyres 22 Disassembly of the tyres 22 Assembly of the tyres 22 Adjusting the castor stem 23 Support castors 23 Replacin...

Страница 5: ...gramming the driving behaviour 35 Standard setting of the R Net driving parameters 36 Power module replacing the lighting resp lighting adjustment module 37 Power module 37 Lighting adjustment module R Net 38 Plug allocation of the lighting adjustment module R Net 38 Electrical adjustments 39 Seat height adjustment 39 Replacing the adjustment for seat height adjustment 39 Camber function 40 Replac...

Страница 6: ...ntenance 43 Reinstallment 43 Maintenance checklist of the annual maintenance jobs 44 DIN norms and guidelines 46 Torque according to DIN for screwed connections 46 Circuit diagram 47 Electronic type R Net 47 ...

Страница 7: ... to be observed under any circumstance This symbol indicates tips and recommenda tions Reference to a picture number Reference to a function element within a pic ture Requirements concerning workshop personnel During all corresponding work there is always a danger of jamming or skin abrasions Knowledge of this maintenance and service manual as well as the supplementing documents view chapter Forew...

Страница 8: ...nd ex tends the life span of the electric wheelchair For highly strained wheelchairs for example in case of extreme strain user still growing users with changing disease patterns it is recommended to have the electric wheel chair checked maintained and if required ad justed semi annually Only original Meyra spare parts are to be used for all maintenance and service Before beginning with the servic...

Страница 9: ...fication in case you have ques tions or for spare parts orders the following data can be read off of the type plate view sample type plate 1 1 The model description in the field Type resp Type 2 The serial number beside the field SN OVERVIEW Model 1 623 1 ...

Страница 10: ... ing bolt 2 engages To lock the seat unit the locking bolt must visibly and audibly lock into place 2 The locking device 2 is correctly engaged when the locking pin is has sprung out completely the handle plate lies directly on the hex housing the tension catch is screwed properly into the swivel arm Exit the service position Only grab under the front of the seat plate resp under the seat frame tu...

Страница 11: ...s View chapter Required tools and aids on page 11 Damages caused by the use of incorrect tools Replace loose screwed connections with thread safety with the respective nut or screw and new thread safety If new screws or nuts with thread safety not be available apply liquid thread safety compound with medium hardness e g Loctite 241 or Euro Lock A24 20 Damages caused by loose screwed connec tions S...

Страница 12: ...or height adjustment of the foot plate 1 2 Telescope the footplate 1 to the desired height and then refasten the screw 2 Height adjustment of the calf plates 1 Loosen the respective screws 3 of the calf plate brack et for height adjustment of the calf plate 2 Slide the calf plate bracket to the desired height and refasten the respective screw 3 Depth adjustment of the calf plates 1 Remove the resp...

Страница 13: ... footplate 1 To replace the tension spring 2 of a footplate remove the corresponding screw 3 2 Unhook the tension spring 2 and replace it 3 Hook the new tension spring 2 into place and re mount it with the attachment screw 3 underneath the footplate Depth adjustment of the leg support 1 For depth adjustment of he leg support remove the screw 4 of the leg support receptacle 5 2 Slide push the leg s...

Страница 14: ...he clamping screw 2 2 Slide the clamping screw 2 as a stopper onto the arm support bracket 3 3 Retighten the clamping screw 2 Locking the arm support 1 To lock the arm support remove the lower clamping screw 2 2 Pull push the arm support to the desired arm support height 3 Slide the upper clamping screw 4 as a stopper onto the arm support bracket 3 4 Reinsert the lower clamping screw 2 slide it un...

Страница 15: ...bes centered to the adjustable back 5 and fasten with the velcro strap 2 2 Guide the lower back flap 3 toward the back fold it upward and attach with the velcro fastener 3 Finally fold the upper back flap 1 of the back support cushion toward the back and attach with the velcro fas tener Adjusting the back support cushion For a soft upper edge you should leave a little space be tween the upper span...

Страница 16: ... pneumatic spring 1 first loosen the clamping screw 2 and swivel it back 3 2 Wedge the lower part of the tube clamp 4 open 3 and tilt the back support forward 5 3 Tilt the pneumatic spring together with the tube clamp slightly back 4 Remove the upper screw 6 5 Screw the piston rod out of the bowden cable holder and remove the pneumatic spring Mounting the pneumatic spring Assembly is done in rever...

Страница 17: ...red height 3 Retighten the clamping screws 3 on both sides after positioning the profile tube 4 Adjusting the distance of the shoulder strap clamps 1 Loosen the respective clamping screw 5 to adjust the distance of the shoulder clamps 2 Slide the shoulder clamps corresponding with the shoulder of the user to the desired distance 3 After positioning the shoulder clamps retighten the re spective cla...

Страница 18: ...clamping lever 4 to adjust the depth of the head support 2 The head support cushion 2 is continuously adjustable to the desired head support depth 3 Afterwards retighten the clamping lever 4 Adjusting the headrest height 1 Operate the clamping lever 6 to adjust the height of the head support 2 The head support 3 is continuously adjustable to the desired head support height 3 Afterwards retighten t...

Страница 19: ...n both sides For assembly observe the position of the attach ment latch 5 of the limitation straps underneath the seat plate The attachment latches 5 of the limitation straps underneath the seat plate are loose and can drop 6 3 Position the seat plate according to chapter Adjusting the seat depth on page 20 4 Mount the screws 4 of the seat plate on both sides In doing so reinsert the attachment la...

Страница 20: ...ith the arrow of the desired seat depth 1 Adjusting the seat frame 1 Dismantle the screws 2 of the seat frame on both sides 2 Position the seat frame according to table Adjusting the seat depth 3 Remount the screws 2 of the seat frame on both sides Table Adjusting the seat depth 3 Seat depth mm 250 275 300 325 350 Pos seat plate a b c d e Pos seat frame A B C D E a 2 b c d e A B C D E 3 1 ...

Страница 21: ... to be removed 3 Take off the wheel by removing the respective wheel screw 4 5 Assembly of the wheels 1 Mount the steering wheels according to table Steering wheel position 6 2 After replacing attaching the wheel secure the respec tive wheel screw 4 5 again with Loctite 243 and tight en Therefore observe chapter DIN norms and guidelines on page 46 Table Steering wheel position Item Steering wheel ...

Страница 22: ...lf connection screws 1 Assembly of the tyres During assembly the rim halves may not damage the tube or let it be jammed 1 Place the tyre cover with crease free tube between the rim halves In doing so observe the running direction of the tyre view running direction arrow 2 2 Tighten the rim half connection screws 1 evenly Therefore observe chapter DINnormsandguidelines on page 46 3 Assemble the whe...

Страница 23: ...still have effect 3 Tighten the castor stem screw 4 with a torque spanner Support castors Replacing new support castors Double support castors 5 with extreme wear such as tears or missing pieces should be replaced 4 In order to replace the double support castor the screwed connection 6 is to be removed 5 Replacing the support castors 6 Mount the support castors with screw 6 according to table Supp...

Страница 24: ...s except for the batteries are elec tronically protected by the power module R Net 2 The power module also sees to a power limitation of the motors The power module is located behind the rear revet ment on the left side of the electronic compartment 4 Lighting adjustment module R Net All electric adjustments are secured electronically through the adjustment module 3 as well as the combined light i...

Страница 25: ... function test Therefore observe chapter Functional checks on page 42 Headlight front turn signal The headlights 1 should be set in such a way that the light cone is visible on the road The lower edge of the light cone should be set at distance of 3 meters to the front of the electric wheelchair Adjusting the headlights In order to adjust the headlight horizontally loosen the at tachment screws 3 ...

Страница 26: ...ws 1 of the lighting equipment 4 Mount the new bulb 2 5 Re establish the plugged connections for the power supply 6 Guide the cable carefully and secure it with cable ties Replacing the back light 1 Pull the light bulb 3 out of the frame tube For this press the clips at the side 4 2 Remove the cable ties 3 Disconnect the electric connector of the defective bulb 4 Replace the defective bulb 5 Re es...

Страница 27: ...3 4 Lift out the battery with help of the carrying strap 4 5 Positioning the batteries It is to be observed that the pole clamp cover is fastened correctly above the battery poles Otherwise danger of fire through short circuits The replacement of the battery is carried out analogue in re verse order to chapter Removing the batteries on page 27 6 Then carry out a function test Therefore observe cha...

Страница 28: ... limited and the batteries are charged completely Technical requirements for the following drive batteries max charging voltage 28 5 V For sealed drive batteries up to 40 Ah 5 h 50 Ah 20 h Charging current 6 A alternatively 5 A For sealed drive batteries from 40 Ah 5 h 50 Ah 20 h Charging current 8 A from 65 Ah 5 h 82 Ah 20 h Charging current 12 A B A ...

Страница 29: ...the drive The following describes the replacement of the left drive The replacement of the right drive is to be done accordingly in the same fashion 1 Remove the attachment screws at the sides and take of the lid of the electronic cover 4 2 remove the center cover cap 5 of the wheel attach ment 3 Dismantle the central screw and washer 6 4 Pull the drive wheel 7 with hub 2 1 3 4 7 6 5 ...

Страница 30: ...ged or extremely bent when being placed They must be placed according to their diameter in a reasonable radius Otherwise danger of fire through short circuits Assembly of the drive is done analogue in reverse order to chapter Removing the drive on page 29 Replace previously removed cable binders by new ones Then carry out a function test Therefore observe chapter Functional checks on page 42 1 1 3...

Страница 31: ...the locking cap 2 of the carbon brush coun ter clockwise 2 Pull the pressure spring with the carbon brush 1 out of the guide shaft 3 Version 2 1 Slide the cap 4 of the carbon brush out towards the back 5 2 Pull the pressure spring with the carbon brush out of the guide shaft 6 Mounting the carbon brushes Assembly of the carbon brush is done analogue in reverse order to chapter Removing the carbon ...

Страница 32: ...ound The adjusted pre tension of this spring has influence on the stability and driving behaviour of the electric wheelchair A low pre tension in the spring enables comfortable driving over obstacles and a good traction of the drive wheels but also permits a premature lift off of the steering wheels e g when driving on inclinations A high pre tension of spring stabilises the electric wheel chair b...

Страница 33: ...forward or backward accordingly In doing so the following indications are valid Seat suspension absorber 1 Adjustment ring slightly screwed a little spring pre tension For normal sitting comfort manufacturer setting Adjustment ring extremely screwed b high spring pre tension Depending on the demand of users with a high user weight the spring pre tension can be increased to 7 mm resp by 5 mm oppose...

Страница 34: ...e central screw and washer 2 3 Pull the drive wheel 3 with hub 4 For replacement of both springs for the chassis the screws 4 on both sides are to be removed 5 For replacement of both springs for the rear rocker the screws 5 on both sides are to be removed 6 Replace the respective springs 7 Mount the screws 4 5 on both sides 8 Mount the drive wheel 9 Insert the center cover cap 1 3 2 4 5 1 ...

Страница 35: ...rning process of the respective user at regular intervals In doing so the driving experience the physical limits of the user and the main field of operation must be considered When programming the delay value observe that on one hand extreme braking can endanger the driver on the other hand the braking distance must correspond to the maximum values of EN 12184 view chapter Brak ing distance on pag...

Страница 36: ...ation Profile Accompanying person 8 Standard setting of the R Net driving parameters profile 8 Number of enable Drive Profiles 8 maximum minimum Speed 6 km h Forward Speed 80 28 Reverse Speed 50 15 Turn Speed 20 5 Forward Acceleration 15 0 Forward Deceleration 50 10 Reverse Acceleration 10 5 Reverse Deceleration 20 5 Turn Acceleration 30 20 Turn Deceleration 15 5 Power 100 Torque 100 Tremor Dampin...

Страница 37: ...s are to be disconnected In doing so it is recommended to place each plug that is pulled directly into the new module This prevents establishing incorrect plugged con nections 2 Afterwards remove the screws of the defective module 3 Remount the new module analogue in reverse order Replace previously removed cable binders by new ones Then carry out a function test Therefore observe chapter Function...

Страница 38: ... lighting adjustment module R Net Overview of the plug allocation of the lighting adjustment module R Net 2 a R Net Bus b R Net Bus c left lighting d right lighting e adjustment motor electric back support f adjustment motor camber h adjustment motor left leg support g adjustment motor right leg support j adjustment motor seatlift k adjustment motor Recaro 12 V l Inhibit 4 Switch seatlift m Inhibi...

Страница 39: ...nit in the topmost position 2 Pull the connection plug of the seat height adjustment 3 off of the adjustment module In doing so watch for cables that might still be attached If required remove corresponding cable binders 3 Remove the bolted connection 1 of the adjustment motor for seat height adjustment 4 Remove the bolted connection 2 and replace the adjustment motor for seat height adjustment in...

Страница 40: ...o the highest position 2 to replace the ad justment motor 1 for camber adjustment 1 Pull the connection plug of the corresponding adjust ment motor 1 off of the adjustment module 3 2 Remove the corresponding bolted connections 4 5 for attachment of the adjustment motor for camber ad justment In doing so watch for cables that might still be attached If required remove corresponding cable binders As...

Страница 41: ... if required send in replace the ac companying person control 6 Faulty initialisation Repeat diagnostic test 7 Faulty CPU Send in replace accompanying person control 8 Faulty source code Send in replace accompanying person control 9 Software watchdog Send in replace accompanying person control 10 R NET internal error Read out R NET error protocol 11 Diagnostic test failed Repeat diagnostic test Co...

Страница 42: ... replaced parts Do a visual check of the complete vehicle Switch to push mode and check the free move ment of the wheelchair Switch to drive mode switch the vehicle on and check the battery charging voltage Check all lighting components and electric ad justments for function Inspection of the electric adjustments Conduct the inspection without user Danger of injury Go through the electric adjustme...

Страница 43: ... the undersigned declares to have duly performed the measured declared in the maintenance checklist Designation SN No Serial no Year of construction Maintenance Inspection date Maintenance Inspection done by Signature Stamp of the executing workshop Reinstallment Before reimplementation the electric wheelchair is to undergo a complete inspection The hygienic measures required for reinstall ment ar...

Страница 44: ... on parts and accessories Chassis Checked steering and drive wheel attachment Checked the quick release axle if existent Wear of axle bushing The axles of the drive wheels do not show radial run out and run easily Check the rubber buffer for signs of wear replace if necessary Wheel forks are not bent or torn Checked the condition functioning and smooth operation of the steering wheel suspension Sc...

Страница 45: ... Plugged connectors are undamaged and not corroded The holders for the charging and controller fuse a well as the main fuse are filled correctly The cables to the lighting units and sensors are undamaged and attached correctly Control panel Control The operating pad keys function bounce free Checked the control displays for function The keypad symbols are visible The director e g joystick function...

Страница 46: ...eral function test of the mechanical adjustment units Conducted driving test The inspection certificate filled out in the operating manual DIN norms and guidelines The torque according to DIN for screwed connections can be extracted from the table at the side Tyres Filling pressure front min 2 5 max 3 5 bar 35 psi Filling pressure rear min 2 5 max 3 5 bar 35 psi Minimal profile depth acc to STVO 1...

Страница 47: ...r R5 1 Rinsing coding sensor M6 Camber motor R6 Sensor camber motor R6 1 Camber coding sensor M9 Lordosis pump R20 Calibrating dongle S4 3 Memory final position key not in base position S4 4 Memory key base interim position D1 Right rear light D2 Indicator rear right D3 Headlight right D4 Indicator front right D5 Left rear light D6 Indicator rear left D7 Headlight left D8 Indicator front left X1 4...

Страница 48: ...32689 Kalletal Kalldorf GERMANY Tel 49 5733 922 311 Fax 49 5733 922 9311 info meyra de www meyra de Your specialist dealer 205 348 601 Status 2021 09 All technical modifications reserved Original Maintenance and Service manual ...

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