Invacare Lynx Service Manual
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Invacare® Lynx
SERVICE MANUAL
This manual contains information on:
Troubleshooting
Maintenance
Repair
Edition: 25.11.09

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Table of Contents
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Summary of Contents for Invacare Lynx

  • Page 1 Invacare® Lynx SERVICE MANUAL This manual contains information on: Troubleshooting Maintenance Repair Edition: 25.11.09...
  • Page 2 +34 (0)972 49 32 20 contactsp@invacare.com Polígon Industrial de Celrà WWW: www.invacare.es E-17460 Celrà (Girona) ESPAÑA +33 (0)247 62 64 66 Invacare® Poirier SAS Route de St Roch Fax : +33 (0)247 42 12 24 F-37230 Fondettes contactfr@invacare.com WWW: www.invacare.fr France Invacare®...
  • Page 3 Invacare Mecc San s.r.l. +39 0445 38 00 59 Via Dei Pini, 62 Fax: +39 0445 38 00 34 I - 36016 Thiene (VI) italia@invacare.com WWW: www.invacare.it ITALIA +353 18 10 70 84 Invacare Ireland Ltd. Fax: +353 18 10 70 85 Unit 5 Seatown Business Campus eire@invacare.com...
  • Page 4 Fagerstagatan 9 finland@invacare.com S-163 91 Spånga WWW: www.invacare.se Sverige MÖLNDAL Tillverkare: +46 (0)31 86 36 00 Invacare® Deutschland GmbH Fax: +46 (0)31 86 36 06 Kleiststraße 49 ginvacare@invacare.com D-32457 Porta Westfalica Deutschland LANDSKRONA +46 (0)418 285 40 Fax: +46 (0)418 180 89 linvacare@invacare.com...
  • Page 5: Table Of Contents

    Table of Contents Chapter Page INTRODUCTION General information Notes on transport Important symbols in this manual SAFETY AND ASSEMBLY INSTRUCTIONS Before any inspection or repair work General safety information and notes on assembly / disassembly TIGHTENING TORQUES SERVICE PLAN (1X ANNUALLY) OPERATIONAL FAULTS Operational faults 5.1.1...
  • Page 6: Introduction

    • Alterations to the electric vehicle which occur as a result of incorrectly or improperly executed maintenance or overhaul work lead to the exclusion of all liability on the part of INVACARE. • If you have any problems or questions please contact INVACARE SERVICE.
  • Page 7 NOTE: This symbol identifies general information which is intended to simplify working with your product and which refers to special functions. Requirements: • This symbol identifies a list of various tools, components and items which you will need in order to carry out certain work. READ WELL BEFORE OPERATION! This symbol advises you to read information carefully.
  • Page 8: Safety And Assembly Instructions

    Safety and assembly instructions These safety instructions are intended to prevent accidents during work and it is imperative that they are observed. Before any inspection or repair work • Read and observe this repair manual and the associated operating manual! •...
  • Page 9 • Invacare® supplies all electric vehicles from the factory with a standard drive programme. Invacare® can only assume a warranty for the safe vehicle handling of the electric vehicle – in particular tipping stability - for this standard drive programme!
  • Page 10: Tightening Torques

    Tightening torques The tightening torques stated in the following table are dependent on the thread diameters for the nuts and bolts for which no special values are determined. All values apply to dry and grease-free threads. Thread 3 Nm Tightening torque 6 Nm 10 Nm 25 Nm...
  • Page 11: Service Plan (1X Annually)

    Service plan (1x annually) Component Check Remedy Notes • Welded seams, • Tighten screws, Seat: fixings and replace parts if upholstery damaged • Check fixings, • Tighten screws, Frames welded seams and replace parts if (chassis) / battery mounting damaged battery •...
  • Page 12: Operational Faults

    Operational Faults Operational faults Please proceed as follows if you have any problems: • First assess the possible cause of the problem using the following table. • Check the drive console status display. Evaluate the blink error code. • Carry out the necessary checks and repairs as recommended in the following table. 5.1.1 Drive fault diagnosis PROBLEM...
  • Page 13: Error Codes And Diagnostic Codes

    PROBLEM OTHER POSSIBLE SOLUTION Documentation SYMPTOMS CAUSE • Replace Scooter None Drive motor(s) See "Replacing the motor(s) judders in possibly drive motor" on page drive mode defective • Replacing the Drive lever See "Replacing the potentiometer potentiometer potentiometer" on page possibly defective Batteries...
  • Page 14 Blink Fault Consequence Comments code for the Scooter Power time Stops driving • The Scooter has used up too much power for a long period, probably exceeded because the motor has been overloaded or the Scooter has attempted to work against insurmountable resistance.
  • Page 15: Repair Work

    Repair Work General warning information on installation work CAUTION: Risk of damage to the vehicle! Collisions can be caused if shim rings are removed from the drive wheels during installation work! • Shim rings are frequently placed between the drive shaft and the wheel hub to compensate tolerances.
  • Page 16 • Loosen the fixing bolt (1) from the handle and remove it. • Remove handle. • Loosen the fixing bolt (2) on the rear panelling and remove it. • Remove the rear panelling. • Unplug the drive motor plug M+/ M- (1) and the magnetic brake plug B+/ B- (2) from the socket strip.
  • Page 17 • Loosen motor fixing bolts (1) on both sides and remove. • Remove the motor from the vehicle frame. • Check rubber bearings (1) on both sides of the motor suspension. Replace damaged rubber bearings. • Reassembly of the motor takes place in reverse order •...
  • Page 18: Replacing The Electronics

    Any modifications made to the drive program can affect the drive behaviour and CAUTION: tipping stability! • Changes to the drive program may only be carried out by trained Invacare® specialist dealers! • Invacare can only provide a guarantee for safe driving - especially tipping stability - for unmodified standard drive programs.
  • Page 19 • Remove the electronics cover screws (1). • Fold up the electronics cover (2) and remove it. • Remove all plugs (1) from electronic system. • Remove screws (2) on both sides of the electronics system. • Replace the electronics system. •...
  • Page 20: Updating The Driving Program

    • Alterations to the drive program must only be carried out by trained Invacare®-dealers! • Invacare® can only assume a warranty for the safe vehicle handling of the wheelchair – in particular tipping stability - for unaltered standard drive programs! Pre-requisites: •...
  • Page 21: Replacing The Potentiometer

    Replacing the potentiometer CAUTION! Burn and scald hazard if power cable is short-circuited! • Interrupt the power supply by removing the batteries before you start work on the electronic system. CAUTION! Risk of accidents! • The new potentiometer must be set to the middle position before inserting. Potentiometers which are not in the middle position can result in dangerous driving situations! Requirements: •...
  • Page 22 • Remove drive lever (1). • Separate the potentiometer connecting plug (2). • Remove potentiometer (3). • Set the potentiometer to the middle position (see below). • Reassembly takes place in the reverse order. • Complete reassembly of vehicle. • Check all operating console displays.
  • Page 23: Replacing Operating Console

    Replacing operating console CAUTION! Burn and scald hazard if power cable is short-circuited! • Interrupt the power supply by removing the batteries before you start work on the electronic system. Requirements: • Phillips screwdriver • From the operating manual: • Remove the seat •...
  • Page 24 • Remove plugs (3) from operating console. • Replace operating console. • Reassembly takes place in the reverse order. • Complete reassembly of vehicle. • Check all operating console displays.
  • Page 25: Replacing Front Axle

    Replacing front axle Note: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. Requirements: • Open spanner, 9 mm. • Open spanner, 10 mm. •...
  • Page 26 • Loosen the steering link nuts (1) and remove them (note information below). • Remove steering link from deflector. • Loosen the axle suspension nut (2) and remove it. In doing so, secure the axle suspension bolts (3) against turning using an open- ended spanner.

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