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Summary of Contents for Meyra iChair DYNAMIC 1.623
- Page 1 Electric wheelchair Model: 1.623 iChair DYNAMIC Maintenance and Service manual...
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Page 3: Table Of Contents
Contents General Foreword Meaning of the applied markers Requirements concerning workshop personnel Customer support Information to maintenance and service work: Working on the vehicle Overview Model 1.623 Vehicle identification Service position Setting the service position Exit the service position Swivelling down the seat unit Removing the rear revetment Safety information Storage... - Page 4 Torso support Adjusting the position of the torso support Shoulder strap Adjusting the height position of the shoulder strap clamps Adjusting the distance of the shoulder strap clamps Lap belt Adjustment and assembly of the lap belt Head support Adjusting the head support cushion Adjusting the depth of the head support Adjusting the headrest height Removing the head support...
- Page 5 Batteries Removing the batteries Positioning the batteries Battery charger Drive Removing the drive Mounting the drive Carbon brushes Removing the carbon brushes Mounting the carbon brushes Vehicle suspension Suspension of the chassis Seat suspension Support suspension Adjusting the seat suspension Seat suspension, absorber (1) Seat suspension, absorber (2) Replacing the spring...
- Page 6 Maintenance Reinstallment Maintenance checklist of the annual maintenance jobs DIN norms and guidelines Torque according to DIN for screwed connections Circuit diagram Electronic type R-Net...
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Page 7: General
Customer support mation to our products are located on our website Technical questions will gladly be answered by under: your national Meyra distribution partner. < www.meyra.com >. Meaning of the applied markers Safety instructions with a coloured background are mandatory and need to be observed under any circumstance! ☞... -
Page 8: Information To Maintenance And Service Work
☞ Only original Meyra spare parts are to be used for all maintenance and service. ☞ Before beginning with the service work check the general condition of the electric wheel- chair. -
Page 9: Overview
OVERVIEW Model 1.623 VEHICLE IDENTIFICATION For a definite vehicle identification 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] The model description (in the field Type resp. Type). 2. -
Page 10: Service Position
SERVICE POSITION Danger of jamming the fingers, hands and arms in case of unintentional swivelling down of the seat unit possible. ☞ After swivelling the seat unit up, ensure the engaging of the locking bolt! Danger of jamming the fingers, hands and arms is possi- ble when lowering the seat unit into the regular driving position. -
Page 11: Safety Information
SAFETY INFORMATION REQUIRED TOOLS AND AIDS ☞ Wear suitable clothing during service-jobs as For adjustments and maintenance we recommend well as gloves and protective glasses when re- the use of high quality tools. quired. ☞ High quality tools can prevent for example –... -
Page 12: Adaptation And Adjustment Jobs
ADAPTATION AND ADJUSTMENT JOBS The following chapters describe the fitting of the electric wheelchair to the changing individual demands of the user. LEG SUPPORT It is to be observed that other functions on the electric wheelchair are not impaired by the respective setting! Mechanically adjustable leg support Height adjustment of the footplate Loosen the screws (2) for height adjustment of the foot-... -
Page 13: Angle Adjustment Of The Footplate
Angle adjustment of the footplate For this loosen the screw (1) so far that it no longer catches. 2. Disconnect the toothing of the footplate and adjust the angle of the footplate. 3. Retighten the screw (1) of the footplate. ☞... -
Page 14: Arm Supports
ARM SUPPORTS The maximum arm support height has been reached when the marking 26 becomes visible. Adjusting the height of the arm supports In order to adjust the arm support height, keep hold of the arm support with one hand and swivel the locking lever (1) up. -
Page 15: Back Support, Mechanically Adjustable
BACK SUPPORT, MECHANICALLY ADJUSTABLE Removing the back support upholstery For removal, first pull the upper back support flap (1) of the back cushion off and fold it forward [2]. 2. Pull off the lower back flap (3) and guide it to the front. 3. -
Page 16: Replacing The Pneumatic Spring
Replacing the pneumatic spring Observe the danger of jamming during the replacement procedure! Conduct a function test after replacing the pneumatic spring. ☞ Therefore observe chapter Functional checks on page 42. Removing the pneumatic spring To remove the pneumatic spring (1) first loosen the clamping screw (2) and swivel it back [3]. -
Page 17: Torso Support
TORSO SUPPORT Adjusting the position of the torso support Loosen the clamping screws (1) to adjust the position of the torso support. 2. Slide the torso support (2) to the desired height and tor- so width. 3. Retighten the clamping screws (1) after positioning the torso support (2). -
Page 18: Head Support
HEAD SUPPORT Observe danger of jamming in the adjustment sector! After adjustments conduct a functionality check. ☞ Therefore observe chapter Functional checks on page 42. The head support [1] is height and depth adjustable as well as removable. ☞ We recommend the fitting of two rear-view mirrors for driving with a head support. -
Page 19: Seat
SEAT Remove the arm supports Dismantle the attachment screws (2) in order to remove the arm supports (1) [3]. Adjusting the seat depth The seat depth can be adjusted by repositioning the seat plate and the seat frame. Adjusting the seat plate Remove the seat cushion [3]. -
Page 20: Adjusting The Seat Depth
Adjusting the seat depth Slide the telescopic seat plate, according to table < Ad- justing the seat depth >, to the desired seat depth until the arrow of the telescopic seat plate is aligned with the arrow of the desired seat depth [1]. Adjusting the seat frame Dismantle the screws (2) of the seat frame on both sides. -
Page 21: Wheels
WHEELS Wheel change Never loosen the connection screws of the rim halves (1) to disassemble the wheel. – Danger of injury! Before starting disassembly of a wheel, support the frame to prevent the electric wheelchair from tipping over and se- cure it to prevent an unwanted movement or tipping over. -
Page 22: Changing The Tyres
Changing the tyres Disassembly of the tyres Never loosen the rim half connection screws (1) in order to disassemble the tyre before previously completely de- flating the tyre! ☞ Danger of injury! Disassemble the wheel. 2. Completely deflate the tyre. 3. -
Page 23: Adjusting The Castor Stem
Adjusting the castor stem Observe the torque in the castor stem bearing of 0.5 +/- 0. 1 Nm. If the steering fork is loose the castor stem needs to be ad- justed. Remove the cover cap (1) [2]. 2. Adjusting the castor stem (3). ☞... -
Page 24: Fuses
FUSES Main fuse The main fuse (1) is located, viewed in driving direction, in the front left of the battery case. Electronic security In case if a shortage only the defective component is de- activated. All other components (e.g. all other lights except for the defective one) remain available. -
Page 25: Lighting
LIGHTING It is to be observed that the cables are not damaged 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! The lighting (1)+(2) is equipped with longlife LED-technol- ogy. -
Page 26: Replacing The Lighting Fixture
Replacing the lighting fixture A defective lighting fixture can only be exchanged com- pletely. ☞ For safe identification of the defect (lighting fixture or lighting module) switch the plugs on the lighting mod- ule for left, resp. right lighting. ☞ The defect switches sides. – The lighting module is defective. -
Page 27: Batteries
BATTERIES After folding the seat unit up, the batteries can be replaced. Removing the batteries Pull the battery fuse (1). 2. Set into service position [2]. ☞ Therefore observe chapter Setting the service posi- tion on page 10. 3. Unscrew the pole clamps (3). 4. -
Page 28: Battery Charger
BATTERY CHARGER ☞ When changing to batteries with considerably different capacity also use a corresponding charger, so that the charging periods remain limited and the batteries are charged completely. Technical requirements: for the following drive batteries, – max. charging voltage: 28.5 V For sealed drive batteries: –... -
Page 29: Drive
DRIVE The vehicle is fitted with a drive on each side. The drive con- sists of the motor (1), the magnetic brake (2) and the worm gear (3). The drive can only be replaced completely. Removing 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. -
Page 30: Mounting The Drive
5. Pull the motor connector plug leaving the drive (1) off of the power module. 6. Remove the drive [2]. ☞ For this disassemble the screws (3). Mounting the drive It is to be observed that the cables are not damaged or extremely bent when being placed. -
Page 31: Carbon Brushes
Carbon brushes The carbon brushes (1) are supplied as a set and are to be replaced as a set. ☞ Do not touch the friction surface of the carbon brushes! ☞ The carbon brushes are worn when they are used up to 8 mm length. -
Page 32: Vehicle Suspension
VEHICLE SUSPENSION Suspension of the chassis The setting rings must fit securely with an unburdened chassis. For optimal sitting comfort the suspension (1)+(2) can be adjusted according to the desire of the user. ☞ In doing so observe that both absorbers (1) and (2) have different functions Seat suspension The absorber (1) with a hard spring and large spring rate... -
Page 33: Adjusting The Seat Suspension
Adjusting the seat suspension Tighten a loose adjustment ring (3) with an unstrained chassis so far that the pressure of the spring prevents fur- ther loosening. Observe the minimum pre-tension path of 2 mm. The springs, left and right, have to have the same pre-ten- sion. -
Page 34: Replacing The Spring
Replacing the spring The spring might be under extreme pressure. ☞ For this observe chapter Support castors on page 23. Remove the center cover cap (1) of the wheel attach- ment. 2. Dismantle the central screw and washer (2) 3. Pull the drive wheel (3) with hub. 4. -
Page 35: Electronic Modules
ELECTRONIC MODULES Power module The power module R-Net [1] saves the setting of the driving parameters and as power electronic takes over the control of the driving motors. The inlets and outlets of the power module are short circuit proof, so that the lead fuse is not applicable. Programming the driving behaviour An extension of the system with additional driving desks or other input devices is not permitted. -
Page 36: Standard Setting Of The R-Net Driving Parameters
Standard setting of the R-Net driving parameters The parameter values listed in this table correspond to the stand- ard parameters authorised by us at the time of print of this doc- ument. Profile allocation Profile Accompanying person Standard setting of the R-Net driving parameters profile 8 Number of enable Drive Profiles maximum / minimum... -
Page 37: Power Module, Replacing The Lighting, Resp. Lighting/Adjustment Module
Power module, replacing the lighting, resp. lighting/adjustment module It is to be observed that the cables are not damaged 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! Before replacing a module all plugged connections are to be disconnected. -
Page 38: Lighting- / Adjustment Module R-Net
Lighting- / adjustment module R-Net All electric adjustments are electronically protected through the adjustment module (1). The adjustment module is mounted behind the electronic cover at the right side of the battery case (1). Plug allocation of the lighting/adjustment module R-Net Overview of the plug allocation of the lighting/adjustment module R-Net [2]:... -
Page 39: Electrical Adjustments
ELECTRICAL ADJUSTMENTS Seat height adjustment Replacing the adjustment for seat height adjust- ment It is to be observed that the cables are not damaged or extremely bent when being placed. They must be placed according to their diameter in a reasonable radius. ☞... -
Page 40: Camber Function
Camber function Replacing the adjustment motor for camber func- tion It is to be observed that the cables are not damaged 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! Replacement of the adjustment motor is only to be carries out by specialist dealers with corresponding education. -
Page 41: Error Indication
ERROR INDICATION An error has occurred when the LED (2) of the battery gauge blinks after switching on the wheelchair. The LEDs (1)+(3) are lit in red, the number of blinking im- pulses of LED (2) indicates an existing error according to the following table Error indication. -
Page 42: Functional Checks
FUNCTIONAL CHECKS Inspection of the electric adjustments Checking the cable layout Conduct the inspection without user. ☞ Danger of injury! It is to be observed that the cables are not dam- ☞ Go through the electric adjustments, watch aged or extremely bent when being placed. They for jamming areas, clearance and resp. -
Page 43: Maintenance
MAINTENANCE Reinstallment Before reimplementation the electric wheelchair is Electric wheelchairs are medical devices of the class to undergo a complete inspection. I-MDD. As a medical device they underlie the op- erator provision and are to be maintained regular- ☞ The hygienic measures required for reinstall- ly. -
Page 44: Maintenance Checklist Of The Annual Maintenance Jobs
Maintenance checklist of the annual maintenance jobs Preparation for visual check Removed seat and back support upholstery. If necessary, clean the vehicle or the modules before ❑ the visual check. Visual check coachwork / frame Checked the frame, add-on components and accessories for damage, corrosion and damaged ❑... - Page 45 Maintenance checklist of the annual maintenance jobs ❑ No dirt or outer damage to the batteries. Checked the screwed connections of the battery poles. ❑ Poles and attachment clamps are clean and greased with Vaseline or Acid protector grease. ❑ ❑...
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Page 46: Din Norms And Guidelines
Maintenance checklist of the annual maintenance jobs Brakes Checked the function of the brakes. ❑ ❑ The maximum braking distance corresponds to EN 12184. Oil/Grease Checked turning points and bearing areas of operating levers and moveable parts for easy function- ❑... - Page 48 Your specialist dealer MEYRA GmbH Meyra-Ring 2 32689 Kalletal Kalldorf GERMANY +49 5733 922 - 311 +49 5733 922 - 9311 info@meyra.de www.meyra.de 205 348 601 (Status: 2021-09) All technical modifications reserved. Original Maintenance and Service manual.
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