Invacare AVIVA RX Series Service Manual
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Invacare AVIVA RX Series Service Manual

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PROVIDER: Keep this manual.
The procedures in this manual MUST be performed by a qualified
technician.
Invacare® AVIVA™ RX series
en Power Wheelchair
Service Manual

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Summary of Contents for Invacare AVIVA RX Series

  • Page 1 Invacare® AVIVA™ RX series en Power Wheelchair Service Manual PROVIDER: Keep this manual. The procedures in this manual MUST be performed by a qualified technician.
  • Page 2 All rights reserved. Republication, duplication or modification in whole or in part is prohibited without prior written permission from Invacare. Trademarks are identified by ™ and ®. All trademarks are owned by or licensed to Invacare Corporation or its subsidiaries unless otherwise noted.

  • Page 3: Table Of Contents

    6.10.5 Overview of Power Wheelchair Models and Contents Wheel Types....... 46 6.10.6 Replacing Drive Wheel (5–Screw Installation) .

  • Page 4: General

    Invacare reserves the right to alter product specifications without further notice. Before reading this document, make sure you have the latest version. You find the latest version as a PDF on the Invacare website. For pre-sale and user information, see the user manual.

  • Page 5: Safety

    Safety 2 Safety 2.1 Safety information WARNING! The procedures in this service manual, must be performed by a specialized dealer or qualified service technician. – Do not handle this product or any available optional equipment without first completely reading and understanding these instructions and any additional instructional material such as user manuals, installation manuals or instruction sheets supplied with this product or optional equipment.
  • Page 6 – Changes to the drive program may only be carried out by trained Invacare providers. – Invacare supplies all mobility devices with a standard drive program ex-works. Invacare can only give a warranty for safe mobility device driving behavior - especially tipping stability - for this standard drive program.

  • Page 7: Hygiene

    Use saturated Cleaning and reconditioning disinfectant wipes disinfection and clean* the device surface. *Invacare uses detergent "Nücosept special" 1.5% in water ml/ml Disinfection Tools • Disposable wipes (fleece) • Brushes to clean areas difficult to access Further Information For more information contact your Invacare service department.

  • Page 8: Setup

    Adjusting the seating position in order to adapt the mobility device optimally to the requirements of the user, we recommend that you ask your authorised Invacare provider to adjust seat depth individually. Adapting the seat to the user's seating position depends on the seat that has been fitted, and should be carried out in the following sequence.

  • Page 9: Adjusting Centre Of Gravity Of Seat

    Setup Ultra Low Maxx Seat The seat depth A can be adjusted by moving the position of side rails with front seat plates in relation to the backrest. See user manual of Ultra Low Maxx. 4.2.3 Adjusting Centre of Gravity of Seat The centre of gravity of seat (CoG) can be adjusted by mounting seat frame farther towards front or the rear of seat.
  • Page 10 Invacare® AVIVA™ RX series Variant narrow base — Recommended positions of module Tilt and Lifter-Tilt Modules Tilt with Fixed Pivot Point Wheelbase Seat Depth Distance XX Comment Distance XX Comment 460 mm 72.5 mm 405 mm/ 16 inch Best performance 50.0 mm...
  • Page 11 Setup Variant wide base — Recommended positions of module Tilt and Lifter-Tilt Modules Tilt with Fixed Pivot Point Wheelbase Seat Depth Distance XX Comment Distance XX Comment 490 mm 95.0 mm 95.0 mm 405 mm/ 16 inch Best performance Best performance 72.5 mm 72.5 mm Best performance...

  • Page 12: Adjusting Centre Of Gravity - Modulite Seat

    Invacare® AVIVA™ RX series Tilt and Lifter-Tilt Modules Tilt with Fixed Pivot Point Wheelbase Seat Depth Distance XX Comment Distance XX Comment 5.0 mm –40.0 mm Best performance Loss of 580 mm/ 23 inch performance possible 1. Remove main frame shrouds on both sides. See 6.7 Shrouds, page 25.

  • Page 13: Telescopic Seat Frame

    Setup Variant wide base — Recommended positions of module Wheelbase Seat Depth Distance XX Comment 490 mm 50.0 mm Best performance 405 mm/ 16 inch 50.0 mm 455 mm/ 18 inch Best performance 72.5 mm Best performance 505 mm/ 20 inch 520 mm 50.0 mm 405 mm/ 16 inch...

  • Page 14: Point

    Invacare® AVIVA™ RX series 4.5.1 Adjusting Seat Height — Tilt with Fixed Pivot Point Fig. 4-4 • 10 mm wrench • Flat screwdriver • Oblong wooden block (at least 7.5 cm x 7.5 cm x 35 cm) Fig. 4-5 Available settings...
  • Page 15 Setup 1. Remove SL retainer clip D and pin E on top fixation of actuator. Hold seat in position. 2. Adjust seat height on top fixation according to table Available settings, page 14. 3. Re-install SL retainer clip and pin. Fig.

  • Page 16: Testing

    4. If there is a defect, replace motor and send it to Invacare Service for inspection or repair. Fig. 5-2 DuraWatt motor serves as an example. 5.3 Rain test •...

  • Page 17: Field Load Test

    Testing 5.4 Field Load Test Old batteries loose their ability to store and release power due to increased internal resistance. In this procedure, batteries are tested under load using a digital voltmeter to check battery charge level at the charger connector. The charger connector is located on the remote.
  • Page 18 Invacare® AVIVA™ RX series DON’T Don’t use chargers or batteries that are not appropriate Follow recommendations in this manual when selecting for the chair. a battery or charger. Don’t put new batteries into service before charging. Fully charge a new battery before using.

  • Page 19: Service

    Service 6 Service 6.1 General Warning Information on Installation Work CAUTION! Risk of injury and damage to property, if the maximum speed reduction on a mobility device with a lifter does not function correctly The mobility device’s electronics must reduce the maximum possible speed as soon as the lifter is raised above 100 mm.

  • Page 20: Overview Components

    The power modules used are described in the corresponding controls manual. The tables for rectification of operational faults listed in the following chapters are only an excerpt from the original manufacturer's manuals. You can obtain the original manuals from Invacare. 6.5.2 Drive Fault Diagnosis Documentation...
  • Page 21 Service Documentation Problem Other symptoms Possible cause Solution None Motors stop and start Voltage decline Stop driving and allow again electronics to cool down. None Motor runs but loses High motor load Stop driving and allow power allows power module electronics to cool to lower voltage down.
  • Page 22 Invacare® AVIVA™ RX series Documentation Problem Other symptoms Possible cause Solution None Motor makes clicking Clutch(es) defective Replace clutch. See 6.9.1 Replacing noise Motor-Gearbox Unit, page 38. Bearing defective Replace motor. See 6.9.1 Replacing Motor-Gearbox Unit, page 38. Collector defective Measure internal See 5.1 Testing...

  • Page 23: Charging Device Fault Diagnosis

    Defective mains supply cable. Check the mains supply cable. Replace damaged cables or send the battery charger to Invacare Service for repair. LEDs are burnt out Send the battery charger to Invacare Service for repair. An internal fuse might be burnt out.
  • Page 24 Invacare® AVIVA™ RX series Component Notes Check Remedy Armrests Damage to armrests Replace cover if damaged Armrest fixings Tighten screws Clothing guard Damage to clothing Replace clothing guard, guard if damaged Clothing guard fixings Tighten screws Powered tilt Tight fit of SL retainer...

  • Page 25: Shrouds

    Service Component Notes Check Remedy Battery mounting Check battery support Replace if necessary and mounting belts for damage Batteries Check batteries for Replace batteries if See 6.12 Batteries, page 59. damage necessary Check battery voltage Charge batteries See user manual. Check contacts and Clean contacts and See 6.12 Batteries, page 59.

  • Page 26: Water Protection Shroud

    Invacare® AVIVA™ RX series 1. Remove right-hand shroud. 2. Loosen screws D on left-hand side. 3. Remove shroud C forwards. Fig. 6-2 Installing Shrouds 1. Install parts in reverse order. Tighten screws to 3 Nm. 2. Test all functions. 6.7.2 Water Protection Shroud •...
  • Page 27 Service Fig. 6-4 Parts of main frame shrouds A Front shroud B Middle shroud C Rear Shroud Removing Front Shroud 1. Loosen and remove hand screw D on bottom side of frame. 2. Pull shroud A upwards. Remove shroud. Fig. 6-5 1654647-A...

  • Page 28: Battery Shroud

    Invacare® AVIVA™ RX series Removing Middle Shroud 1. Remove front shroud A and rear shroud C. 2. Remove shroud B. Fig. 6-6 Removing Rear Shroud 1. Loosen and remove screw G. 2. Remove shroud C. Fig. 6-7 Installing Shrouds 1. Install middle shroud. Make sure to install pins on rear side within corresponding holes E and F.

  • Page 29: Rear Shroud

    Service 1. Remove rear shroud. See 6.7.5 Rear Shroud, page 29. Take note of positions of cables and sockets. Mark plugs and sockets or take a photo with digital camera. Unplug all cables between chassis and seating system. 3. Secure all cables using tie wrap. 4.

  • Page 30: Replacing Fender

    Invacare® AVIVA™ RX series Separating Parts • Plastic fastener removing tool (or similar) 1. Loosen and remove clips D on both sides. 2. Swivel top shroud E and separate it from bottom shroud F. Fig. 6-10 Installing Shroud 1. Install parts in reverse order.

  • Page 31: Replacing Front Fender On Single-Sided Fork

    Service 6.7.7 Replacing Front Fender on Single-Sided Fork Removing Fender 1. Slightly press both hooks A together. 2. Remove fender B backwards out of fork C. Fig. 6-12 Replacing Bracket CAUTION! Risk of Crushing to Hands and Feet by Weight of Mobility Device –...

  • Page 32: Replacing Front Fender On Double-Sided Fork

    Invacare® AVIVA™ RX series Installing Fender 1. Install parts in reverse order. 2. Test all functions. 6.7.8 Replacing Front Fender on Double-Sided Fork CAUTION! Risk of Crushing to Hands and Feet by Weight of Mobility Device – Pay attention to hand and feet.

  • Page 33: Replacing Rim Cap (Castor Wheel)

    Service 1. Insert tip of screwdriver between cap C and insert B. 2. Remove insert. 3. Insert tip of screwdriver between rim and cap at fulcrum D. 4. Loosen and remove cap. 5. Replace defective parts. 6. Hold cap over rim. 7.

  • Page 34: Replacing Kerb Climber

    Invacare® AVIVA™ RX series Narrow Wide Wheelbase Recommended Seat Depth Base Base 460 mm 405 mm -- 455 mm 490 mm 455 mm -- 480 mm 520 mm 480 mm -- 505 mm 550 mm 505 mm -- 580 mm •...

  • Page 35: Replacing Rubber Foot

    Service 1. Hold in place nut A on rear side of main frame. Loosen and remove bolt C, washers B and nut A. 2. Repeat previous step for remaining screwed connections. 3. Remove bracket D including kerb climber. Fig. 6-19 For better view only the bracket is shown. 4.

  • Page 36: Replacing C.t.c. Suspension

    Invacare® AVIVA™ RX series 1. Remove main frame shrouds. See 6.7 Shrouds, page 25. 2. Loosen and remove nuts D. 3. Remove tie-down point C. 4. Remove bolts A and washers B. Fig. 6-20 5. Install parts in reverse order.

  • Page 37: Replacing And Adjusting Rear Suspension

    Service Installing Main Frame 1. Install parts in reverse order. Tighten screw H to 20 Nm and screw A to 17 Nm. 2. Adjust limit stopper. See below. 3. Test all functions. Adjusting Limit Stopper • 13 mm wrench • Feeler gauge with 0.5 mm 1.

  • Page 38: Drive Components

    Invacare® AVIVA™ RX series 10. Test all functions. Adjusting Suspension • 17 mm wrench • Water pump pliers • Oblong wooden blocks (at least 7 cm x 7 cm x 30 cm) • Wooden block (at least 4 cm x 4 cm x 8 cm)

  • Page 39: Replacing Or Rotating Motor/Gearbox Unit Sealing

    Service Component Comments C Fender D Nut E Washer F Fender mount G Wheel lock mount H Motor-gearbox unit I Width adapter Optional component. J Bolts Available in two different lengths. If a width adapter is retrofitted, the bolts must be replaced.

  • Page 40: Replacing Motor/Gearbox Clutch

    Invacare® AVIVA™ RX series • 6 mm Allen key • 5/8“ Allen key • 7/8“ Allen key • 5/16“ Allen key • Phillips screwdriver size 2 • 10 mm socket wrench • 1/2“ socket wrench • 1/4“ socket wrench •...

  • Page 41: Replacing Engaging Turn Knob

    Service Removing motor/gearbox clutch 1. Removing motor/gearbox unit, as described in Replacing Motor/Gearbox Unit. 2. Loosen and remove self-securing nut (3). 3. Remove carriage screw (6), which secures sealing ring (5). 4. Carefully bend sealing ring apart and remove it. 5.

  • Page 42: Replacing Castor Fork

    Invacare® AVIVA™ RX series Fig. 6-29 When installing engaging turn knob (5) make sure that position (6) is correct. Fig. 6-30 Tighten bolt (7). Fig. 6-31 Check that engaging turn knob can be turned to "push" position (clockwise) and "drive" position (counterclockwise).

  • Page 43: Replacing Castor Lock

    Service 1. Place wooden block underneath mobility device and prop up mobility device. 2. Remove front part of main frame shrouds. See 6.7.3 Main Frame Shrouds, page 26. 3. Loosen and remove nut A including washer B. 4. Remove fork E downwards. 5.
  • Page 44 Invacare® AVIVA™ RX series 1. Unlock castor lock C. 2. Remove front part of main frame shrouds. See 6.7.3 Main Frame Shrouds, page 26. 3. Loosen and remove screw A, washer B and locking device C. Fig. 6-33 4. Install parts in reverse order. Make sure to install screw including washer to correct mounting hole of locking device.

  • Page 45: Wheels

    The following are instructions on maintenance and repairs that can be performed by the user. For the specifications of spare parts please see Technical Data, or consult the service manual, available from Invacare (in this connection please see the addresses and phone numbers at the end of this user manual). In case you require assistance, please contact your Invacare dealer.

  • Page 46: Specific Tightening Torques

    Invacare® AVIVA™ RX series There are five chapters about tyre repair and wheel replacement: • 6.10.6 Replacing Drive Wheel (5–Screw Installation), page 48 • Replacing Drive Wheel (1-Bolt Installation) • 6.10.7 Replacing Castor Wheel on Double-Sided Fork, page 49 •...
  • Page 47 Service Models Drive wheels 10” x 3” 12 1/2” x 2 1/4” 14” 4–Spoke 3–Spoke 5–Spoke 5–Spoke 3–Spoke 5–Spoke 5–Spoke 5–Spoke Solid Rim Plas- Rim for (5–screw (1–Bolt (1–Bolt (1–Bolt tic Rim (1–Bolt (1–Bolt (5–Screw True installa- Installa- Installa- Installa- (1–Bolt Installa- Installa-...

  • Page 48: Replacing Drive Wheel (5-Screw Installation)

    Invacare® AVIVA™ RX series Models Castor Wheels 6” 8” 9” 10” Single- Double-Sided Fork Single- Double- Single- Double- Single- Sided/ Sided/ Sided Sided/ Sided Sided Double- Double- Fork Double- Fork Fork Sided Sided Sided Fork Fork Fork TDX SP2 Series...

  • Page 49: Replacing Castor Wheel On Double-Sided Fork

    Service • 6 mm Allen key • 13 mm wrench • Torque wrench • Oblong wooden block (at least 12 x 12 x 30 cm) for propping up mobility device • Torx wrench with TX 40 bit • Torque wrench •...
  • Page 50 Invacare® AVIVA™ RX series • 6 mm Allen key • 13 mm wrench • Oblong wooden block (at least 14 x 14 x 30 cm) • 5 mm Allen key • Oblong wooden block (at least 14 x 14 x 30 cm) •...
  • Page 51 Service Fig. 6-37 Pull wheel C including axle D and bushing B out of fork E. Installing Wheel CAUTION! Risk of injury from wheels coming loose If wheels are insufficiently secured during mounting, it can come loose when driving. – When mounting wheels tighten bolts with prescribed torque. –...

  • Page 52: Replacing Castor Wheels On Single-Sided Fork

    Invacare® AVIVA™ RX series 6.10.8 Replacing Castor Wheels on Single-Sided Fork • 24 mm wrench • Oblong wooden block (at least 14 x 14 x 30 cm) Removing Wheel 1. Place wooden block underneath mobility device and prop up mobility device.
  • Page 53 Service WARNING! Risk of Injury If tyre with one or more damaged rim threads is inflated, rim could burst and cause serious injury. – Do not inflate tyre if one or more rim threads are damaged. – Immediately replace rim with damaged threads. WARNING! Risk of Explosion There is considerable pressure in the tyre.

  • Page 54: Replacing Drive Wheel Hub

    Invacare® AVIVA™ RX series Risk of Damage to Rim Threads Incorrectly tightened screws can cause damage to rim threads. – Tighten rim screws with prescribed tightening torque. 1. Remove wheel as described in respective chapter in this manual. 2. Secure rim halves against unexpected discharge with three joiner's clamps. When doing so, make sure that you do not scratch rims.

  • Page 55: Electronics

    Service 6.11 Electronics 6.11.1 Replacing Power Module • 4 mm Allen key Removing Module 1. Remove power module shrouds. See 6.7.1 Power Module Shrouds, page 25. 2. Unplug all cables from module. 3. Loosen and remove screw F, washer E and lock washer D 4.

  • Page 56: Replacing Bus Expansion Block (Glm-Conx4)

    Invacare® AVIVA™ RX series Installing Module 1. Install module B to top latch A from downwards direction. 2. Swivel module to bottom latch C. Make sure that module is correctly installed on inner sides of latches (see figure on right side).

  • Page 57: Cable

    Service Fig. 6-46 Removing sensor 1. Remove batteries. See 6.12 Batteries, page 59. 2. Unplug sensor cable from power module. 3. Loosen and remove nut E and washer D. 4. Remove bolt B and sensor C. Installing sensor CAUTION! Risk of injury and damage due to uncontrolled movement of mobility device An incorrect installed sensor sends wrong data to the power module.

  • Page 58: Replacing Cable Harness

    Invacare® AVIVA™ RX series Installing Counter Risk of damage If counter is wrongly connected. If plus and minus wires are connected wrong way, it will damage electronic components of operating hour counter. – Make sure cable is connected correctly. 1. Plug in blue wire (-) to pin 2 and brown wire to pin 1 on counter.

  • Page 59: Batteries

    Only ever transport damaged batteries in an appropriate acid-resistant receptacle. • Wash all objects that have come into contact with acid with lots of water. Disposing of Dead or Damaged Batteries Correctly Dead or damaged batteries can be given back to your provider or directly to Invacare. 1654647-A...

  • Page 60: Making Batteries Accessible

    Invacare® AVIVA™ RX series 6.12.3 Making Batteries Accessible • 4 mm Allen key • 11 mm wrench (60 Ah/73.5 Ah battery) • Phillips screwdriver, size 2 (52 Ah battery) • Flat screwdriver 1. Remove right power module shroud and rear shroud.

  • Page 61: Replacing Circuit Breaker

    Service 1. Install batteries in reverse order. 2. Make sure that battery box sockets/plugs have been correctly refitted. Polarity diagram is located on fixation plate. 3. Install fixation plate to corresponding mounting holes A or B. 4. Install remaining parts in reverse order. 5.

  • Page 62: Checking Cables

    Invacare® AVIVA™ RX series 1. Remove circuit breaker. 2. Loosen and remove nut E, washer F and holder G. 3. Install parts in reverse order. Fig. 6-54 Installing Circuit Breaker Connect negative terminal first, then positive terminal. 1. Install holder and circuit breaker in reverse order. Ensure that clip D faces upwards.

  • Page 63: Lighting Unit

    Service 7. If a plug is loose, apply slight pressure to push plug into socket. The plug must snap in place securely. 8. Check that plug is firmly attached to its socket. 9. Install parts in reverse order. 10. Test all functions. 6.13 Lighting unit 6.13.1 Replacing Headlight •...

  • Page 64: Replacing Rear Light

    Invacare® AVIVA™ RX series Removing Holder 1. Remove complete headlight. See 6.13.1 Replacing Headlight, page 63. 2. Loosen and remove nut E. 3. Remove holder D including bushing C. Do not remove bolt A and washer B for correct re-installing of holder.

  • Page 65: Lifter-Tilt Modules

    Service 1. Unplug actuator cable directly on actuator. 2. Remove SL retainer clips A and spacers F on actuator at top and bottom. 3. Remove upper pin B. Hold seat in position. 4. Move seat into service position. Alternatively, lower it carefully to chassis.
  • Page 66 Invacare® AVIVA™ RX series 1. Unplug all cables from the electronic modules which run from seat to chassis. 2. Loosen and remove screws A and washers B on both sides. 3. Remove seat including brackets C from chassis. 4. Place seat on wooden blocks.

  • Page 67: Mounting Dahl Docking System

    Mounting Dahl Docking System 7 Mounting Dahl Docking System For more information about spare parts, accessory part installation in vehicles and maintenance of the Dahl Docking system, contact Dahl Engineering www.dahlengineering.dk. To retrofit a mobility device with a Dahl Docking system, it is imperative, that the mobility device is equipped with the correct adapter plate.
  • Page 68 Invacare Sales Companies Australia: Canada: Ireland: New Zealand: Invacare Australia Pty. Ltd. Invacare Canada L.P. Invacare Ireland Ltd, Invacare New Zealand Ltd 1 Lenton Place, North Rocks NSW 570 Matheson Blvd East, Unit 8 Unit 5 Seatown Business Campus 4 Westfield Place, Mt Wellington 1060 2151 CDN Mississauga, On.

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