Invacare Mirage User manual

Invacare® MirageTM

Service manual

Introduction

• This manual provides basic details to enable the Invacare® MIRAGETM Wheelchair to be

maintained. It is not intended to be a comprehensive maintenance guide/policy, but is intended for

use by competent personnel to enable the chair to be adequately maintained.

• The wheelchair is manufactured by:

INVACARE Ltd

South Road

Bridgend Industrial Estate

Bridgend

Mid-Glamorgan

CF31 3PY

Sales Telephone: 01656 647327

Sales Fax: 01656 649016

Technical Services Fax: 01656 753299

Email: [email protected]

Web: http://www.invacare.com

• For TECHNICAL ADVICE, repairs, servicing, contact Technical Services.

For SPARE PARTS orders contact Sales.

• Quote the following details at all times:

o Part Number (see Spare Parts Catalogue)

o Description

o Quantity required

o Serial Number

o Chair Type

Policy

INVACARE Ltd Policy is as follows:

• Repairs to any component other than those detailed in this manual are not covered. Repairs

to any tube metal work is not generally permitted without express permission of INVACARE

Ltd. All fasteners i.e. bolts, Nyloc nuts, and any fastener showing damage must be renewed.

• Under no circumstances attempt to repair a crash damaged chair. Contact Technical Services for

further Information.

• Alterations to the wheelchair which occur as a result of incorrectly or improperly executed

maintenance or overhaul work lead to the exclusion of all liability on the side of INVACARE.

• We reserve the right to make any alterations on the grounds of technical improvements.

• Information about operation or about general maintenance and care work should be taken from

the wheelchair Operating Manual.

Failure to comply with the above absolves INVACARE Ltd of liability.

Note: Certain components will require removal to carry out maintenance. With the exception

of fasteners, those components should be refitted.

Notes on transport

• If the wheelchair has to be shipped back to the manufacturer for major repairs, you should always

use the original packaging for transport.

• You should also include as accurate a fault description as possible.

Information Symbols

Note: This symbol identifies general information which indicates special points or

simplifications in dismantling / reassembly.

CAUTION: It is imperative that you observe any safety instructions identified with this

symbol.

This symbol identifies service work or tools required.

Contents

Section Page

1 Layout of Modules, Components and Controls 4

2 Safety and Assembly Instructions 5

3 Tools Required 6

4 Armrests 7

5 Legrests 9

6 Upholstery, Seat and Back 11

7 Castor Wheel and Fork 12

8 Rear Wheel 14

9 Frame and Chassis 16

10 Motor Assembly 18

11 Gearbox Assembly 20

12 Control System 22

13 Batteries and charger 25

14 Mechanical Brakes 27

15 Fault Diagnostics 28

16 Servicing Requirements 33

1 Layout of Modules components and controls

1 Main Frame

2 Motor Gearbox

3 Front Castor Wheel

4 Rear Drive Wheel

5 Legrest

6 Seat

7 Backrest

8 Armrest

9 Footplate

10 Shark Remote

11 Shark Power Module

12 Battery Boxes

13 Back Brace

14 Anti Tipper Wheels

15 Mechanical Brakes

16 Batteries (Removed)

17 Legrests (Removed)

18 Armrests (Removed)

19 Backrest (removed)

20 Folded Chassis

2 Safety and assembly instructions

These safety instructions are intended to prevent accidents at work and it is imperative that they are

observed.

2.1 Before any inspection or repair work

Read and observe this repair manual and the associated operating manual.

Caution:

• Please note the heavy weight of some components. This applies especially to the removal of

drive units and batteries.

• The wheelchair must be switched off before removal of voltage-carrying components.

• To do this, disconnect the batteries or remove them.

• When making measurements on voltage-carrying components, avoid short-circuiting the

contacts.

• Danger of fire and combustion!

2.2 During dismantling/reassembly

Mark all current settings for the wheelchair (seat, armrests, backrest etc.), and the cable connecting

plugs associated, before any removals. This makes reassembly easier.

Caution:

• Prop up the wheelchair with appropriate supports before starting the disassembly or assembly.

• Never use standard nuts instead of self-locking nuts. .

Note:

• All plugs are fitted with mechanical latches which prevent release of the connecting plugs during

operation.

• To release the connecting plugs the latches must be pressed in.

• When reassembling ensure that the latches are correctly engaged.

2.3 Before operation / after completion of work:

Caution:

• Check all fixings for tight fit.

• Only operate wheelchair with correct tyre pressure.

• Check electrical components for correct functioning, incorrect polarity of cables can result in

damage to the electronics.

• As a last check, always carry out a trial run.

3 Tools Required

The following list gives the basic tools required to perform the maintenance procedures as

illustrated in this manual.

• 1 –Open Ended Spanner (7mm)

• 2 - Open End Spanner (8mm)

• 2 - Open End Spanner (10mm)

• 1 - Open End Spanner (11mm)

• 2 - Open End Spanner (13mm)

• 2 –Open Ended Spanner (17mm)

• 1 - Combination Spanner (19mm)

• 1 - Socket / Wrench (Shallow) (19mm)

• 1 – Cross Point Screwdriver (No 2)

• 1 – Cross Point Screwdriver (No 1)

• 1 - Flat Bladed Screwdriver (No 1)

• 1 - Nylon Mallet

• 1 - Torque Wrench

• 1 – Hex Wrench - (3mm)

• 1 – Hex Wrench - (4mm)

• 1 – Hex Wrench - (5mm)

• 1 - Knife

• 1 - Pressure Gauge

• 1 - Pump

• 1 - Drift

• 1 - Vice

• 1 - Valve Remover

• 1 - Multimeter

• 1 - Soldering Iron

• 1 - Pin Hammer

• 1 - Punch

• 1 - Pair Pliers

• 1 - Battery Discharge Tester

• 1 - HHP – Programmer

• 1 – Shark Programming Adapter

• 1 – Safety Goggles

4 Armrests

Armrest Top – Parts

1 Armpad

2 Armrest top assembly

3 Armpad screws

4 Hand wheel

Armrest Lower – Parts

5 Skirt Guard

6 Armrest Lower Tube

7 Screws

8 Skirt Guard Clamps

9 Hand wheel Fixing

10 Hand wheel

11 Armrest Socket

4.1 Tools Required:

1. No 2 Cross Point Screwdriver

2. Flat Headed Screwdriver

4.2 Inspection:

1. Check that the skirt guard (5) is fixed and not physically damaged. If the panel is loose retighten

the fixing screws (7), install a new panel if necessary.

2. Check for armpad (1) wear or damage. Replace if necessary.

3. Check for corrosion or paint damage to the bracketry and replace affected parts where

necessary.

4.3 Disassembly / Assembly

1. Release the hand wheels (11) by rotating anti-clockwise.

2. Remove the top and lower armrest assemblies.

Armrest Top Assembly

1. Remove the hand wheel (4).

2. Release the screws (3) with a No2 Cross Point Screwdriver to remove the armpad.

Armrest Lower Assembly

1. Remove screws (7) with a Cross Point Screwdriver and take away skirt guard (5) and clamps

(8).

2. Remove hand wheel (11).

3. Push fixing nut (9) into tube, to release plastic ring and remove both from armrest lower tube.

4. Repeat step 3, for armrest socket fixing nut.

To re-assemble reverse the above steps taking care not to over tighten the fixing screws.

5 Legrests

5.1 Tools Required:

Legrest Hanger – Parts

1 Hanger tube

2 Hanger support Assy

3 Hanger pivot

4 Screw

5 Screw

6 Screw

7 Hanger Lock

8 Hanger Lock screw and nut

8 7

Standard Footplate – Parts

9 Lower footplate tube

10 Footplate

11 Screw

12 Spacers

Adjustable Footplate – Parts

13 Adjustment Fixings

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