Howard M9 - Table of Contents

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Technical Service Manual M9 Transfer Stretcher (M999-29, Version 11, June 2021) 1

CONTENTS

CHAPTER PAGE

1. INTRODUCTION ........................................................................................................................................................................ 3

2. PRECAUTIONS........................................................................................................................................................................... 5

3. ABBREVIATIONS, SYMBOLS & TERMINOLOGY .......................................................................................................... 7

4. CATALOGUE INFORMATION ................................................................................................................................................ 9

5. FASTENER GUIDE .................................................................................................................................................................. 10

6. MAINTENANCE & SERVICING ...........................................................................................................................................11

7. SERVICE INSTRUCTIONS ....................................................................................................................................................15

Power cord ..............................................................................................................................................................15

Handset ....................................................................................................................................................................16

Fuse ...........................................................................................................................................................................17

Battery ......................................................................................................................................................................18

Control box - CB16 ............................................................................................................................................19

Horizontal side rail - Gas strut assembly replacement ...............................................................................20

Backrest actuator ................................................................................................................................................... 21

Kneebreak actuator ................................................................................................................................................23

Hi-Lo lift actuator ....................................................................................................................................................24

Backrest ...................................................................................................................................................................26

Head end elevator ..................................................................................................................................................27

Foot end elevator ....................................................................................................................................................29

Castors .....................................................................................................................................................................31

Castor adjustment ..................................................................................................................................................33

Earth cables .............................................................................................................................................................34

8. CONTROL SYSTEM TROUBLESHOOTING ..................................................................................................................36

9. EARTH CABLES AND ELECTRICAL SPARES ..............................................................................................................38

10. ELECTRIC CIRCUIT ............................................................................................................................................................39

11. BOGIE & ELEVATORS ......................................................................................................................................................... 40

12. TRANSFER DECK COMPLETE ........................................................................................................................................ 42

13. BACKREST & SEAT SECTION ..........................................................................................................................................44

14. LEG SECTION COMPLETE ............................................................................................................................................... 45

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