Invacare TDX SP2 Service Manual
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Invacare TDX SP2 Service Manual

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DEALER: Keep this manual.
The procedures in this manual MUST be performed by a qualified
technician.
Invacare® TDX® SP2 Series
en Power Wheelchair
Service Manual

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Questions and answers

John
March 25, 2025

power elevating footrests block removal of dead batteries

0
1 comments:
Mr. Anderson
May 14, 2025

To remove the power elevating footrests on an Invacare TDX SP2 to access dead batteries:

1. Remove the side-mounted legrests if fitted.
2. If a centrally-fitted, manually adjustable legrest is present, turn the spindle to move it to the top position.
3. Remove the thumbscrews securing the front shroud/battery retention bracket to the wheelchair.
4. Lift up to unhook and remove the front shroud/battery retention bracket from the wheelchair.

This provides access to the batteries.

This answer is automatically generated

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Summary of Contents for Invacare TDX SP2

  • Page 1 Invacare® TDX® SP2 Series en Power Wheelchair Service Manual DEALER: 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

    Contents 6.7.7 Removing the batteries ..... . . 34 6.7.8 Replacing batteries (Powered simple tilt 20°) ..34 6.7.9 Replacing batteries/replacing battery cables .

  • Page 4: General

    Invacare® TDX® SP2 Series • If you have any problems or questions contact Invacare 1 General Service. 1.1 About this manual 1.3 Notes on shipping • This manual refers to configurations with Modulite seat • If the mobility device has to be shipped back to the system.

  • Page 5: Safety

    Safety 2 Safety CAUTION! Injury hazard if the vehicle starts moving unintentionally during repair work 2.1 Safety and fitting instructions – Switch the power supply off (ON/OFF key). – Engage the drive. These safety instructions are intended to prevent accidents –...
  • Page 6 To release the dealers. connecting plugs the safety devices must be pressed – Invacare supplies all mobility devices with a in. When reassembling ensure that these safety standard drive program ex-works. Invacare can devices are correctly engaged.

  • 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 • One way wipes (fleece) • Brushes to clean difficult to access areas Further information For more information contact your Invacare Service department.

  • Page 8: Setup

    – Pay attention to the hand and feet. – Use proper lifting techniques. 4.1.1 Adjusting lower leg length Invacare offers a range of legrests which can be adjusted individually. See user manual. A: Seat depth B: Center of gravity of the seat/ seat position 4.1.2 Adjusting seat depth...

  • Page 9: Modulite Seat

    5. Install seat plate or sling seat. 30 – 40 % front and 60 - 70 % rear. For center wheel drives the weight should be distributed 25% front, One piece seat plate (TDX SP2/ TDX SP2 NB) 50% center and 25% rear. •...
  • Page 10 Invacare® TDX® SP2 Series IMPERIAL METRIC IMPERIAL METRIC inch inch 7.5406 15.0813 19/64 19/32 7.9375 15.4781 5/16 39/64 8.3344 15.8750 21/64 8.7313 16.2719 11/32 41/64 9.1281 16.6688 23/64 21/32 9.5250 17.0656 43/64 9.9219 17.4625 25/64 11/16 10.3188 17.8594 13/32 45/64 10.7156...

  • Page 11: Testing

    3. Connect digital multimeter to central motor plug contacts (3) and measure resistance between contacts. WARNING! 4. If there is a defect, replace motor and send it to Invacare – When performing the remaining steps, ensure Service for inspection or repair.

  • Page 12: Checking Battery Charge Level

    Invacare® TDX® SP2 Series 7. Carefully push the remote forward, trying to drive the DON’T mobility device through the stationary object. The load Don’t perform any Read and understand should draw between 30 to 40 amps from the batteries installation or maintenance this manual and any for 0.3 seconds.

  • Page 13: Service

    67–40 Nm Lifter 7/16”-14 100–60 Nm 1/2”-13 150–90 Nm 9/16”-12 210–130 Nm 5/8”-11 370–230 Nm 3/4”-1 600–370 Nm 7/6”-9 900–550 Nm 1”-8 6.2 Overview mobility device This overview applies for TDX SP2 mobility devices with Modulite Seat. ACT with Lifter 1532486-L...

  • Page 14: Chassis

    Invacare® TDX® SP2 Series located under the seat. Center mount powered legrests and tilt module G-Trac® Sensor The optional G-Trac-sensor is located behind the rear shroud. 6.3 Chassis 6.3.1 Stability lock Replacing gas cylinder CAUTION! Fig. 6-4 Risk of crushing Loosen and remove hand screw A under rear light B Mobility device is very heavy.
  • Page 15 Service Fig. 6-6 Loosen screws B near hub A and castor D that fix lower beam C to chassis. When installing, use thread locking adhesive, for example, Loctite 242. Fig. 6-7 Remove nut C on upper beam B, D on mud guard A. Hold screw in place.
  • Page 16 Invacare® TDX® SP2 Series 1. Screw new setting screw D into holder C. Invacare recommends always replacing both setting Insert two screws B together with washers C. screws simultaneously to ensure that the mobility 3. Tighten screws. device works perfectly.

  • Page 17: Walking Beams

    Service 6.3.2 Walking Beams Removing top walking beam • 5/8“ Allen key • 7/8“ Allen key • 5/16“ Allen key • Size 2 Phillips screwdriver • 1/2“ wrench • 1/4“ wrench • Torque wrench 5 - 25 Nm (or similar) •...

  • Page 18: Steering Head Front

    Turn screws back by 1/8 turn. 6.3.5 Installing rear springs 6.3.4 Removing rear springs Invacare recommends always replacing both springs Invacare recommends always replacing both springs simultaneously to make sure that the mobility device simultaneously to ensure that the mobility device works perfectly.

  • Page 19: Replacing Battery Tray

    TDX SP2 Low-Rider does not have a battery tray. Remove batteries manually. 6. Remove power module as described in 6.7.1 Replacing power module, page 31. See corresponding service manual: - For LinX, see LiNX service manual. - For DX2, see revision 11 of TDX SP2 service manual. 1532486-L...

  • Page 20: Replacing Rubber Stopper

    Adjusting setting screw, page 16. 13. To conclude, carry out an extensive driving and function test with mobility device. 6.3.8 Replacing rubber stopper Invacare recommends that you replace all rubber stoppers as soon as one needs replacing. Speed-Torque Combinations •...

  • Page 21: Replacing Motor/Gearbox Unit

    Service 6.4.2 Replacing motor/gearbox unit 7. Remove screws. 8. Remove motor/gear box unit (1) from walking beam (2). CAUTION! Installing motor/gearbox unit Risk of crushing The wheelchair is very heavy. Risk of injury to 1. Replace defective components. hands and feet. 2.

  • Page 22: Replacing Motor/Gearbox Clutch

    Invacare® TDX® SP2 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 23: Replacing Drive Wheel Hub

    Service Removing carbon brushes 7. Repeat same procedure on other side of mobility device. 8. Allow motors to run in forward direction for an hour. 1. Turn off mobility device. 9. Allow motors to cool down for 30 minutes. 2. Remove drive wheels as described in 6.5.6 Replacing 10.

  • Page 24: Wheels

    Invacare® TDX® SP2 Series • 6 mm Allen key • 5/8“ Allen key • 7/8“ Allen key • 5/16“ Allen key • Phillips screwdriver size 2 • 13 mm socket wrench • 1/2“ socket wrench • 1/4“ socket wrench •...

  • Page 25: Adjusting Caster Fork

    Service 6.5.3 Adjusting caster fork WARNING! Risk of crushing The mobility device is very heavy. Risk of injury to hands and feet. – Use proper lifting techniques. • Phillips screwdriver size 2 • 5/8“ wrench Front and rear casters are adjusted the same way. The following illustrations only show the front caster.

  • Page 26: Replacing Casters On Single-Sided Caster Forks

    Invacare® TDX® SP2 Series Installing caster 1. Install parts in reverse order. 2. Tighten screw (6) and nut (2) to 18 Nm. 6.5.5 Replacing casters on single-sided caster forks • 11 mm wrench • Torque wrench 5 - 25 Nm (or similar) When removing, take care of small parts such as screws and washers.
  • Page 27 Service • 7/8” Allen key • Two long wooden blocks, min. 14 x 14 x 30 cm • Torque wrench 5–25 Nm (or similar) • Repair kit for inner tube tires or a new inner tube. • Tire pump or compressor •...

  • Page 28: Removing Rear Suspension

    Invacare® TDX® SP2 Series 1. Lift mobility device up on one side and place a 14 cm high wooden block under battery case so that wheels are off the ground and can rotate freely. Use proper lifting techniques. 2. Repeat same procedure on the other side of mobility device.

  • Page 29: Refitting Rear Suspension

    Service 1. Carry out following steps if only one of the two screws 10. Lift mobility device off wooden blocks. (4) can be undone. 11. Check all mobility device functions. 2. Make sure that rear springs are compressed: 12. If necessary, carry out adjustments to setting screw on stability lock system as described in Adjusting setting •...

  • Page 30: Shrouds

    Invacare® TDX® SP2 Series 10. Install all plugs and fix cables with cable ties as This chapter explains how to open the rear shroud if previously. See also 6.7.16 Cable routing, page 38. an operating hour counter is installed. The procedure 11.

  • Page 31: Replacing Mudguard

    To adapt drive program: Programming software (4). or hand programming device and system 5. Remove G-Trac sensor (1). installation manual, available from Invacare. 6. Disconnect cable of G-Trac sensor from power module. 7. Replace G-Trac sensor. Removing power module Installing G-Trac sensor 1.

  • Page 32: Updating Driving Program

    – Alterations to drive program must only be carried out by trained Invacare® providers. Loosen and remove nut (5) including locking washer (4) – Invacare® can only assume a warranty for safe using 10 mm socket wrench. handling of mobility device – in particular 4.

  • Page 33: Replacing Batteries

    Service CAUTION! CAUTION! Burn hazard Risk of crushing Risk of injury due to discharged acid. Batteries can be extremely heavy. This results in – Always wear acid-proof protective gloves when injury hazards to your hands. handling batteries. – Handle batteries with care. –...

  • Page 34: Removing The Batteries

    3. Lift up to unhook the battery retention bracket from the wheelchair frame and remove the front shroud/battery retention bracket from the wheelchair. TDX SP2 low rider does not have a battery tray. 1. Remove two hand screws A. Remove batteries manually.

  • Page 35: Replacing Batteries/Replacing Battery Cables

    Service CAUTION! Risk of chemical burns. Risk of injury by leaking acid. – Wear acid-resistant protective gloves when handling batteries. – Wear protective goggles when handling batteries. How to deal with a battery acid leak – Remove clothes that have been soiled or soaked with acid immediately.

  • Page 36: Removing The Batteries

    Invacare® TDX® SP2 Series 6.7.10 Removing the batteries CAUTION! CAUTION! Risk of fire and burns if battery poles are bridged Risk of crushing – When replacing the batteries the battery poles The seat can fall down a few centimeters MUST NOT come into contact with metal parts when removing the actuator without securing of the wheelchair causing bridging.

  • Page 37: How To Handle Damaged Batteries Correctly

    Disposing of dead or damaged batteries correctly Dead or damaged batteries can be given back to your provider or directly to Invacare. 6.7.13 Checking and replacing main fuse CAUTION! The fuseholder (1) is located on top of batteries.

  • Page 38: Replacing Usb Charger

    Invacare® TDX® SP2 Series 7. Remove nuts (3). 8. Replace strip fuse. Installing main fuse 1. Install parts in reverse order. 2. Test all functions. Make sure to press two parts of fuse holder shroud together until it snaps. Remove shrouds, disconnect battery plugs and pull...

  • Page 39: System)

    Service 6.8.3 Replacing headlight complete (LED lighting system) • Allen key 4 mm • Oblique pliers • Cable ties Removing headlight 1. Remove rear shroud as described in 6.6.2 Removing rear 1. Loosen and remove screw (1) on rear of shroud, page 30.

  • Page 40: Replacing Headlight Complete

    Invacare® TDX® SP2 Series Removing front lamp holder Removing lamp holder 1. Remove complete headlight as described in 6.8.3 1. Remove complete headlight as described in 6.8.2 Replacing headlight complete (LED lighting system), page Replacing headlight complete (conventional lighting system), page 39.

  • Page 41: Replacing Complete Rear Light

    Service Open connector plug (3) for the rear light which needs to be replaced. 9. The rear lights are only clamped in by the plastic housing. If required, replace the red rear light (2) or the indicator (1). The cables are labelled appropriately. Install rear light Remove two protection caps (5).

  • Page 42: Troubleshooting

    You can obtain 2. Check the remote status display. Evaluate the flash error the original manuals from Invacare®. code. 3. Carry out the necessary checks and repairs as recommended in the following table.
  • Page 43 Troubleshooting Documentation Problem Other symptoms Possible cause Solution None Error message does Bad connections Check all connecting See 6.7.15 Checking not disappear cables cable, page 38. See 5.2 Testing motor Motor brake defective Measure internal brake, page 11 resistance of brakes, replace motor if and 6.4.7 Replacing defective...
  • Page 44 Invacare® TDX® SP2 Series Documentation Problem Other symptoms Possible cause Solution None Motors do not run Bad connections Check all cabling See 6.7.15 Checking cable, page 38. Fuse burnt out Check cabling and See 6.7.15 Checking replace fuse cable, page 38 and 6.7.13 Checking and...

  • Page 45: Charger Fault Diagnosis

    Check mains supply cable. Replace damaged cables or send charger to Invacare® Service for repair LEDs are burnt out Send charger to Invacare® Service for repair An internal fuse might be burnt out Send charger to Invacare® Service for repair...

  • Page 46: Service Plan (1X Annually)

    Invacare® TDX® SP2 Series Symptom Possible cause Solution Batteries do not charge Fuse on mobility device has burnt out Check mobility device fuses. See 6.7.13 Checking and replacing main fuse, page Charger not connected to mobility Make sure that charger has been...
  • Page 47 Troubleshooting Component Notes Check Remedy Wheel suspension and Check drive wheels for Adjust, replace wheel See 6.5.6 Replacing drive wheel, wheels tight fit and side play hubs page 26 and 6.4.6 Replacing drive wheel hub, page 23. Check steering casters Replace caster, caster See 6.5 Wheels, page 24.
  • Page 48 Invacare® TDX® SP2 Series Component Notes Check Remedy Remote, status LED See 7 Troubleshooting, page 42. Remote / power Evaluate error/ flash flashing module code Fixings Tighten fixings, replace if necessary Cables and connecting Replace damaged plugs cables and tighten...

  • Page 49: Accessories

    – Vent box, low profile recline (Universal, Trilogy or LTV-Easy Fit) – 02 Holder, low profile recline • Sport Accessories: – Front bumper rubber coated (U-type) – Rear bumper The installation instructions for additional accessories are available at your Invacare provider or directly from Invacare. 1532486-L...
  • Page 50 Notes...
  • Page 51 Notes...
  • Page 52 Invacare Sales Companies Australia: Canada: Ireland: New Zealand: Invacare Australia PTY. Ltd. Invacare Canada LP Invacare Ireland Ltd, Invacare New Zealand Ltd 1 Lenton Place, North Rocks NSW 570 Matheson Blvd E. Unit 8 Unit 5 Seatown Business Campus 4 Westfield Place, Mt Wellington 1060...

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