Medema MC 1122 Quantum Service Manual
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Medema MC 1122 Quantum Service Manual

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P9-0222-S ver. 1.0.0 - August 2013

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Summary of Contents for Medema MC 1122 Quantum

  • Page 1 medemagroup P9-0222-S ver. 1.0.0 - August 2013...
  • Page 2 Medema Production A/S Service Manual P9-0222-S 2 of 70 Version 1.0.0/2013...

  • Page 3: Table Of Contents

    Medema Production A/S Content Introduction ................5 Symbols.................. 6 Warning! ................. 6 Safe servicing ................ 7 Tool list ................... 8 Introduction DX2 ..............9 Joystick parts ................ 9 Operating ................9 Error Code ................16 Extra..................18 Replacing Joystick ..............20 Troubleshooting ..............
  • Page 4 Medema Production A/S Service Manual P9-0222-S 4 of 70 Version 1.0.0/2013...

  • Page 5: Introduction

    If help is required with troubleshooting, Medema Production A/S is always happy to provide telephone assistance. If the problem seems to be an electrical fault that prevents the MC Concept 1122 from working, please tell us the error code.

  • Page 6: Symbols

    Medema Production A/S Symbols sed in the manual to indicate sections describing situations where extra care is required owing to the risk of personal injury. Used to indicate sections on electromagnetic compatibility (EMC). Warning! For safety reasons the vehicle must not be lent to persons who are not completely familiar with it.

  • Page 7: Safe Servicing

    Medema Production A/S Safe servicing To avoid injuries to both the service engineer and the subsequent user of the MC Concept, it is important to get to know the product before servicing it. Be particularly aware of the following: The MC Concept MUST be turned off at the main switch. If Š...

  • Page 8: Tool List

    Medema Production A/S Tool list The following tools are needed to service the MC Concepten: Circlip pliers Š Allen keys Š Allen 9/64 Š Box spanners, 7-17 mm Š Open-ended spanners, 7-17 mm Š Phillips and torx screwdrivers, 10/15/20/25 kærv.

  • Page 9: Introduction Dx2

    Medema Production A/S Introduction DX2 DX2 is the first in a new generation of joysticks to control the electric wheelchair. With its large color LCD screen and its logical icon built menu structure, it directs the user to the target.
  • Page 10 Medema Production A/S Clock on/off Press arrow up/down or joystick (push forward) until the above icon is showed in the center of the screen.  Use ”Select” to switch between X and Accept by pressing the arrow up/down button. Service Manual P9-0222-S 10 of 70 Version 1.0.0/2013...
  • Page 11 Medema Production A/S Set Speed When you turn the joystick on, the image shown below will be presented in the display. The number in the centre shows the speed you have chosen as max speed. Change the Speed by selecting the plus / minus key. Maximum speed is 5, lowest is 1.
  • Page 12 Medema Production A/S Function Icon Seat angle (Tilt) Backrest angle Seat height Left footrest Right footrest footrest both Only the available options will be displayed. Service Manual P9-0222-S 12 of 70 Version 1.0.0/2013...
  • Page 13 Medema Production A/S Light on / off Push the arrow up / down until the image for light is shown in the centre. Push the joystick forward to turn the light on. And again to turn of the light. Push the joystick back to activate the hazard warning lights.
  • Page 14 Medema Production A/S Setting the display environment Use the arrows up /down until “day / night” icon i shown in the centre. Push the joystick forward to enter settings. The image below will show. Exit / Cancel Exit / Cancel...
  • Page 15 Medema Production A/S Setting the Clock Use arrow up / down until the clock is shown in the centre. Push the joystick forward to enter settings. The image below will show. Press the Select button or push the joystick right / left to choose the digit to change.

  • Page 16: Error Code

    Medema Production A/S To unlock the DX system Press the on / off button. The system will show a lock in the display. Press the horn twice within 10 seconds. The system will boot normally. Error Code Code Cause Meaning...
  • Page 17 Medema Production A/S Code Cause Meaning Low battery Can mean: voltage - the battery or charger is faulty. Has significance for the chair’s safety. The chair stops. High battery Can mean: voltage - that it has regenerated more than normal (over 32V), perhaps from descending a steep hill.

  • Page 18: Extra

    4. iPortal Medema Production A/S ’ iPortal is a bridge between your powe YNAMIC ONTROLS tal is a bridge between your powered-wheelchair and your communications technology. nology. When combined with an iOS device and the Dashboard Extra an iOS device and the Dashboard application, iPortal provides the powered-wheelchair use With Dynamic Controls’...
  • Page 19 Medema Production A/S When combined with a PC or laptop and the Mouse Mov joystick or other speciality input device is used to navigate or laptop‟s mouse pointer. Option 3: Mouse Mover – with iPortal Mouse Mover you are able to control your pc/mac/tablet mouse with the joystick.

  • Page 20: Replacing Joystick

    Medema Production A/S Replacing Joystick Remove the plastic strip that keeps the cord to the joystick. Unscrew the cover. Unplug the joystick. Note that there is a lock on. Press the latch and pull the plug. Service Manual P9-0222-S 20 of 70...
  • Page 21 Medema Production A/S Loosen the 4 Allen screws connecting joysticks and bracket. Mount the new joystick in reverse order. Remember to attach the cord with a new plastic strip. After replacing the joystick and programming, check that all features work as they should. See the section on the Introduction DX2.

  • Page 22: Troubleshooting

    Medema Production A/S Troubleshooting Trouble Possible causes Remedy MC Concept will not The MC Concept is not Turn the MC Concept on I/O run. turned on (I/O button) button). There is no light in the battery indicator. The batteries are Oplad batterierne i mindst 12 discharged.
  • Page 23 Medema Production A/S Trouble Possible causes Remedy Charging lamp No power at outlet. Turn on the switch. is not lit when the charger is Error in the cable. Please read the supplied user connected to an manual for the charger.

  • Page 24: Programming

    Medema Production A/S Programming The electric control in the MC Concept can be programmed so that it best meets the customer’s needs. From the factory the vehicle is programmed in default configuration, so that smooth acceleration, proper braking and sensitivity are guaranteed.

  • Page 25: Maintenance

    Medema Production A/S Maintenance MC Concept 1122 is designed so that it requires very little care and maintenance. However we recommend an annual inspection, which the following are checked: Description Date Initials Transaxle - clean, check for leakage. Check bearings.
  • Page 26 Medema Production A/S Note! NEVER use a high-pressure cleaner or hose. It may damage the MC Concept’s electronic system. During drying MC Concept must stand on a flat surface. It should be indoors, preferably in a heated room. The temperature must not exceed 50°.

  • Page 27: Servicing The Mc Concept 1122 - Concept Chair

    Medema Production A/S Servicing the MC Concept 1122 - Concept Chair When the MC Concept 1122 enter the workshop it must be checked. This is a general check, which aims to detect mechanical defects. Remember that the vehicle must be turned off before you...

  • Page 28: Checking The Rear Bar

    Medema Production A/S Checking the rear bar Verify that the rear bar can move up/down. There must be no cross play in the bar. If there are cross play in rear bar, then retighten the bolts. If the suspension feels too loose, tighten it here. If the suspension feels too hard, loosen it here.

  • Page 29: Suspension Replacement

    Medema Production A/S Suspension replacement Jack up the vehicle so that the caster wheels are off the ground. Change the spring on the rear of the vehicle unscrewing the two screws. Replace this part. When installing, use Loctite 243 on the screws.
  • Page 30 Medema Production A/S The spring must not be so loose that it can move/ rattle. Hand-tighten the nut first + one turn with pliers. Replace the front springs in the same way. Service Manual P9-0222-S 30 of 70 Version 1.0.0/2013...

  • Page 31: Checking/Replacing The Caster-/Anti-Tip Wheel

    Medema Production A/S Checking/replacing the caster-/anti-tip wheel Place a piece of wood or similar under the chassis, to lift the wheel off the ground. Check the wheel for wear/ play. Make sure that the screw is tightened well. If there is still play, the wheel-bearing must be replaced.
  • Page 32 Medema Production A/S Rear bar bearing replacement Remove the top cover. Unscrew the nut. Remove the two loose washers. There are two bearings. Remove the bearings. Service Manual P9-0222-S 32 of 70 Version 1.0.0/2013...
  • Page 33 Medema Production A/S Pound carefully until the bearing is out. Do the same to the other bearing. This shows the order in which the parts are to be installed. Service Manual P9-0222-S 33 of 70 Version 1.0.0/2013...
  • Page 34 Medema Production A/S Install the lower bearing and spacer first. Then install the upper bearing. Hold the wheel in place while the washers and nut are put on. Tighten the nut. Be sure that the wheel turns freely. Reinstall the top cover.

  • Page 35: Changing The Central Wheel

    Medema Production A/S Changing the central wheel If you get a puncture in one of the pneumatic tyres or if a tyre is so badly worn that it needs to be replaced, follow the instructions below. Tyres and inner tubes can be purchased from the authorised dealer who supplied the MC Concept.
  • Page 36 Medema Production A/S Replace or repair the hose. Make sure there is no dirt or foreign objects in the tire before the the hose is in place. Pump in some air, but don’t fill it completely yet. Please be aware to placing the valve in the prepared holes.
  • Page 37 Medema Production A/S Important! When mounting the rim, all skrews must have a drop of Loctite 243. Mount the rim whitout tightening the screws. Check that the hose dosen’t get between the rim parts. Keep the rim in place while tightening the screws.
  • Page 38 Medema Production A/S Pump the wheel to the right pressure. (see technical data) Service Manual P9-0222-S 38 of 70 Version 1.0.0/2013...

  • Page 39: Checking The Disengagement

    Medema Production A/S Checking the disengagement The MC Concept is equipped with two sets of brakes: The motor brake and the parking brake. Note! You must NEVER brake the MC Concept by switching off with the I/O button while moving, as this applies the magnetic brake with considerable force, with a resulting risk of tipping.

  • Page 40: Checking The Brakes

    Medema Production A/S Checking the brakes Parking brake / magnetic brake: This test must be carried out on a flat surface with at least one metre of free space around the wheelchair. Start the MC Concept and slowly move the joystick forward. There Š...

  • Page 41: Replacing The Motor Gear

    Medema Production A/S Replacing the motor gear Remove the central wheel and cover. (See section Changing the central wheel). Remove the wheel cover. Free the release arm by loosening the set screw, and lifting it clear of the motor. Loosen the yellow screws and lift off the rear guard.
  • Page 42 Medema Production A/S Disconnect the plug from the motor. Here the cord is freed from the cable holder. The motor can now be detached by removing the 6 screws. Please Note! The screws are of different lengths. The 3 inner screws are shorter than the 3 outermost.
  • Page 43 Medema Production A/S Unscrew the cover. Unscrew the magnetic brake. Service Manual P9-0222-S 43 of 70 Version 1.0.0/2013...
  • Page 44 Medema Production A/S Clip the two strips on the sleeve. Brake wire must be replaced in the plug. Pull the sleeve and the pod away from the plug. Service Manual P9-0222-S 44 of 70 Version 1.0.0/2013...
  • Page 45 Medema Production A/S Push the brake wire out of the socket, pull it through the sleeve and cover. Install the new brake wire through the cover and sleeve and plug it into the socket. Pull the pod up around the plug again.
  • Page 46 Medema Production A/S Put the packing ring in place. Here When reinstalling the cover, put Loctite 243 on all the screws. After replacing the magnetic brake, check the brake function (see section Checking the brakes). Service Manual P9-0222-S 46 of 70...

  • Page 47: Seat Replacement

    Medema Production A/S Seat replacement Remove any foot rests. See the section “Battery Replacement” Remove the seat cushion. Remove the 4 screws holding the seat plate. Service Manual P9-0222-S 47 of 70 Version 1.0.0/2013...
  • Page 48 Medema Production A/S Remove the seat plate. Remove the 4 screws holding the power plate. Disassemble the connectors on both sides on the power plate so it is no longer connected to the seat. Remove the 6 screws holding the seat itself.

  • Page 49: Actuator Module Replacement

    Medema Production A/S Actuator module replacement The actuator module is installed on the power plate under the seat. It is attached with velcro. Take all the plugs out. Replace the module. Place the plugs in the same way on the new module.

  • Page 50: Lift/Tilt Disassembly

    Medema Production A/S Lift/tilt disassembly Run the lift up a bit and turn off the power. Remove the 4 screws in the corners. The lift and tilt can now be lifted. Service Manual P9-0222-S 50 of 70 Version 1.0.0/2013...

  • Page 51: Cover Disassembly

    Medema Production A/S Cover disassembly Run the lift up a bit and turn off the power. Remove the lift/tilt as described in the section “Lift/tilt disassembly”. Remove the 4 screws holding the cover. The cover can now be replaced. Service Manual P9-0222-S 51 of 70 Version 1.0.0/2013...

  • Page 52: Controler Replacement

    Medema Production A/S Controler replacement The vehicle must be turned off before you begin. Loosen the 2 yellow screws and lift off the cover. This is where you will find the controler mechanism. The controler is held by 2 screws. Unscrew the one screw and loosen the other.

  • Page 53: Fender Wheel Installation

    Medema Production A/S Fender wheel installation Fender wheel set Remove the cover. Make a mark 10 mm below the edge. Drill an M5 threaded hole. Service Manual P9-0222-S 53 of 70 Version 1.0.0/2013...
  • Page 54 Medema Production A/S Replace the cover with the fender wheel holder. Install the M5 set screw. Pull fender wheel onto the holder. Put on the washer and tighten the nut. Finally, put on the nut protector. Service Manual P9-0222-S 54 of 70...

  • Page 55: Lamp Installation

    Medema Production A/S Lamp installation Beskrivelse: Diode blink- og positionslys komplet Description: Diode turn and position light, compl. The lamp must always be mounted so that white faces forward and red faces backward. The installation plate must always be under the lamp.
  • Page 56 Medema Production A/S Plug the lamp into the middle connector on the power plate. Reinstall the leg rest. For an electric leg rest, plug into the front socket on the power plate. Fasten the cables. Service Manual P9-0222-S 56 of 70...

  • Page 57: Power Plate Plugs

    Medema Production A/S Power plate plugs Footrest Footrest Light Light Actuator-module Electric backrest Extra Controler Service Manual P9-0222-S 57 of 70 Version 1.0.0/2013...

  • Page 58: Checking The Bolts

    Medema Production A/S Checking the bolts Before the seat tilts forward, check and tighten all visible bolts on the side of MC Concept. Service Manual P9-0222-S 58 of 70 Version 1.0.0/2013...

  • Page 59: Fuses

    Medema Production A/S Fuses On the left of the MC Concept behind the seat, there is a automatic fuse protecting the battery circuit.T he fuse is white. If it pops out, you can push it back in again after a few minutes. If it immediately pops out again, contact your authorised dealer.

  • Page 60: Changing The Battery

    Medema Production A/S Changing the battery This is how to remove the batteries. Always switch off the power on the MC Concept before starting work. Raise the bellows. If the MC Concept has leg supports, these must also be removed along with their plugs. These are on the right and left of the seat.
  • Page 61 Medema Production A/S Electric leg supports Push the catch down. Then twist the leg support out to the side. You will now be able to lift it off. There are no external fuses that need to be removed. Electric central...
  • Page 62 Medema Production A/S Undo this plug. Š Remove the battery strap. Š Remove the plus and Š minus terminals from both batteries. The batteries can now be replaced. Mount the new batteries in reverse order. Take care not to trap any cables when fitting the new batteries.

  • Page 63: Checking The Battery Poles And Strap

    Medema Production A/S Checking the battery poles and strap Access to the batteries is described in the section “Battery Replacement”. Make sure the battery clips are firmly attached to the poles. If the strap is cracked it must be replaced.

  • Page 64: Dynamic Dx2

    Medema Production A/S Dynamic DX2 Motor, control - Dynamic Service Manual P9-0222-S 64 of 70 Version 1.0.0/2013...

  • Page 65: Technical Data

    Medema Production A/S Technical data Wheel sizes: Safety wheels: front Ø145 mm / solid Central wheels: middle Ø350 mm / pneumatic Pivot wheels: back Ø145 mm / solid General information: Total length 90 cm Total width 62 cm Weight incl. batteries, Spinalus seat (45 cm),...
  • Page 66 Medema Production A/S Wheel sizes: Safety wheels: front Ø145 mm / solid Central wheels: middle Ø350 mm / pneumatic Pivot wheels: back Ø145 mm / solid Hoist/tilt Raise/lower 30 cm Tilt angles (**) From -5° to +40° Hight from floor to top edge of the seat frame...
  • Page 67 Medema Production A/S Service Manual P9-0222-S 67 of 70 Version 1.0.0/2013...

  • Page 68: Wiring Diagram

    Medema Production A/S Wiring diagram BUS CABLE BUS CABLE BUS CABLE JOYSTICK 1 : 24V 0V (INHIBIT) Backrest Lift Left legrest Closed = full s Open = reduced Right legrest Option Weight (kg): General tolerances: ISO 2768-1-m Medema Produ Enggaardvej 7, DK-7400 Tlf.
  • Page 69 Material: Dimensions in mm Scale: Medema Production AS European projection Beskrivelse: k.smedegaard Sign: Enggaardvej 7, DK-7400 Herning EL-DIAGRAM MC 1122 QUANTUM 10-07-2013 Date: Tlf. +45 70 10 20 54 Fax. +45 97 16 85 82 Description: Dwg.no. Issue P9-0520 EL-DIAGRAM MC 1122 QUANTUM Internet: http://www.medema.com...
  • Page 70 medemagroup...

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