Meyra 2.322 Manual

We move people.

Maintenance and Service

manual

Electric wheelchair

Model 2.322 with operating module R-Net

Contents

General 5

Foreword 5

Requirements concerning workshop personnel 5

Customer support 5

Information to maintenance and service work 6

Working on the vehicle 6

Vehicle identiﬁcation 7

Term deﬁnitions 7

Service position 7

Overview 8

Model 2.322 8

Safety information 9

Storage 9

Required tools and aids 9

Adaptation and adjustment jobs 10

Leg support 10

Lower leg support 10

Height adjustment footplate/footboard 10

Angle adjustment of the footplate 10

Angle adjustment of the footboard 11

Depth adjustment of the footboard 11

Leg support upper part 12

Adjusting the depth of the calf pads 12

Adjusting the height of the calf pads 12

Width adjustment of the leg supports 12

Stump support 13

Repositioning the leg stump support 13

Repositioning the leg stump cushion 13

Arm supports 14

Adjusting the height of the arm supports 14

Depth adjustment of the arm support pad 14

Adjusting the clothes guard 14

Depth adjustment of the clothes guard 14

Cable ﬁtting 14

Back support 15

Adjusting the seat depth 15

Back support upholstery 16

Cable ﬁtting 16

Head support 17

Height adjustment and removal of the head support 17

Adjusting the position of the head support 17

Mounting the head support 17

Seat width 18

Adjusting the seat width over the arm supports 18

Seat depth 19

Adjusting the seat depth through the position of the back support 19

Seat inclination 20

Mechanical seat angle adjustment 20

Electrical adjustments 21

Adjusting the angle of the back support 21

Replacing the adjustment for angle adjustment 21

Seat inclination (camber) 22

Replacing the adjustment motor for seat inclination 22

Wheels 23

Wheel change 23

Disassembly of the wheels 23

Assembly of the wheels 23

Changing the tyres 24

Disassembly of the tyres 24

Assembly of the tyres 24

Revetment 25

Replacing revetment parts 25

Fuses 26

Main fuse 26

Electronic security 26

Power module 26

Particularities of the 15km/h-version 26

Adjustment module R-Net 26

Steering-/Lighting module 26

Lighting 27

Headlights 27

Adjusting the headlights 27

Replacing a light bulb 28

Headlights 28

Front indicator 29

Rear indicator 30

Rear light 30

Replacing the batteries 31

Removing the batteries 31

Mounting the batteries 31

Battery charger 32

Drive 33

Removing the drive 33

Mounting the drive 33

Carbon brushes 34

Disassembly of the carbon brushes 34

Assembly of the carbon brushes 35

Collector 35

Vehicle suspension 36

Suspension of the chassis 36

Adjusting the seat suspension 36

Power module 37

Programming the driving behaviour 37

Standard setting of the R-Net driving parameters, profile 1, 2, 8, with 6 km/h 38

Standard setting of the R-Net driving parameters, profile 1, 2, 8, with 10 km/h 39

Standard setting of the R-Net driving parameters, profile 1, 2, 8, with 15 km/h 40

Replace power-, steering-/lighting- resp. adjustment module 41

Power module 41

Steering-/Lighting module 41

Adjustment module 41

Plug assignment 42

Error indication 43

Error indication R-Net 43

LCD-Display 43

LED indicator 44

Error diagnostics 44

Functional checks 46

Checking the cable layout 46

Inspection during standstill 46

Test drive 46

Braking distance 46

Maintenance 47

Reinstallment 47

Maintenance checklist of the annual maintenance jobs 48

DIN norms and guidelines 49

Torque according to DIN for screwed connections 49

Circuit diagram 50

Notes 51

GENERAL

Foreword

This maintenance and service manual is intended

for the specialist dealer and describes all adapta-

tions and adjustments as well as the required ser-

vice, maintenance, repair and replacement jobs.

☞This maintenance and service manual is sup-

plemented by the following documents:

– the model dependent operating manual

(an operating manual is supplied with each ve-

hicle),

– the model dependent operating manual < Op-

erating module >,

(an operating manual is supplied with each ve-

hicle),

– the safety and general handling instructions <

Electronic vehicles >,

– the model dependent spare parts list,

(the required spare parts list can be obtained

through the specialist dealer access on our

website).

All required documents as well as additional infor-

mation to our products are located on our website

under:

< www.meyra.com >.

Requirements concerning workshop

personnel

Special knowledge is required to carry out the

maintenance and service work described in this

maintenance and service manual and may there-

fore only be carried out by educated qualiﬁed per-

sonnel.

☞We therefore oﬀer vehicle speciﬁc courses that

provide the specialised personnel with the re-

quired qualiﬁcation.

Attention:

During all corresponding work there is always a

danger of jamming or skin abrasions!

.Knowledge of this maintenance and service

manual as well as the supplementing docu-

ments (view chapter foreword) is mandatory

for the correct and safe execution of the work

required on the wheelchair.

☞The document, especially the chapter Safety

information on page 9, must therefore be

read carefully and observed by all persons, that

are assigned to work on the wheelchair.

Customer support

Technical questions will gladly be answered by

your national Meyra distribution partner.

Working on the vehicle

☞For maintenance and repairs the vehicle is to

be switched oﬀ and secured against uninten-

tionally rolling away.

☞Additionally the main-/battery fuse is to be re-

moved.

☞Before working on electric parts, the plugged

connection from the battery cable to the pow-

er module might also need to be disconnect-

ed.

☞Before working on electric adjustment the cor-

responding plug of the connection cable is to

be pulled.

Information to maintenance and

service work

☞Every wheelchair should undergo inspection

once a year.

– The inspection increases the safety and ex-

tends the life span of the wheelchair.

☞For highly strained wheelchairs for example in

case of:

– extreme strain,

– user still growing,

– users with changing disease patterns,

it is recommended to have the wheelchair

checked, maintained and if required adjusted

semi-annually.

– Only original spare parts are to be used for all

maintenance and service.

☞Before beginning with the service work check

the general condition of the wheelchair.

☞All screwed connections, if not otherwise not-

ed, tightened according to table Torque accord-

ing to DIN for screwed connections on page 49.

☞The maintenance schedule (Checklist) should

serve as a master for copying.

– Maintenance schedules that have been

ﬁlled out are to be kept on ﬁle and a copy

handed to the customer!

VEHICLE IDENTIFICATION

For a deﬁnite vehicle identiﬁcation in case you have

questions, or for spare parts orders, the following

data can be read oﬀ of the type plate:

☞view sample-type plate [1]

1. The model description (in the ﬁeld Type resp.

Typ)

2. The serial number (beside the ﬁeld SN)

TERM DEFINITIONS

Here you will ﬁnd explanations to the term used in

this manual:

Service position

The service position [2] describes a vehicle with

corresponding seat position in order to enable e. g.

unencumbered maintenance jobs.

In order to reach the electronic module you have to

remove the battery cover (3).

OVERVIEW

Model 2.322

R-Net-operating module

SAFETY INFORMATION

☞Wear suitable clothing during service-jobs as

well as gloves and protective glasses when re-

quired.

– Danger of injuries caused by inappropriate

work clothes.

☞Secure the product against unintentional roll-

ing motions, tilting over or falling down e. g.

from a mounting rack.

– Damages due to a not secured wheelchair.

☞Clean/disinfect the product before inspection.

☞If necessary, observe the care instructions and

product speciﬁc inspection instructions in-

cluded in the corresponding operating manu-

al as well as the safety and general handling

instructions < Electronic vehicles >.

– Damages due to neglected cleaning.

☞Keep your workspace clean and only use clean

cloths.

– Damages caused by shavings and dirt parti-

cles.

☞Use only suitable tools.

☞View chapter Required tools and aids on

page 9.

– Damages caused by the use of incorrect tools.

☞Replace loose screwed connections with

thread safety with the respective nut or screw

and new thread safety.

☞If new screws or nuts with thread safety not be

available, apply liquid thread safety compound

with medium hardness e. g. Loctite® 241 or

Euro Lock A24.20.

– Damages caused by loose screwed connec-

tions.

Storage

Dismantled parts are to be placed resp. stored safe-

ly and protected as well as sorted by commission.

REQUIRED TOOLS AND AIDS

For adjustments and maintenance we recommend

the use of high quality tools.

☞High quality tools can prevent for example

damages to the surface of the frame as well as

minor injuries to the hand.

The tools required most frequently are:

– Socket wrench

– Open-end or ring spanner

– Hexagon socket spanner

– Phillips screwdriver

– Slot screw drivers

ADAPTATION AND ADJUSTMENT

JOBS

The following chapters describe the ﬁtting of the wheel-

chair to the changing individual demands of the user.

LEG SUPPORT

Lower leg support

Height adjustment footplate/footboard

Version 1:

For adjustment of the height, loosen the respective clamp-

ing screw (1).

Version 2:

Loosen the respective clamping screw (2) to adjust the

height.

Angle adjustment of the footplate

1. For this loosen the screw (3) so far that it no longer

catches.

2. Disconnect the toothing of the footplate and adjust the

angle of the footplate.

3. Retighten the screw (3) of the footplate.

☞In doing so the teeth of the angle adjustment must join

again.

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