Leica M500 OH3 User manual

Leica Microsystems (Schweiz) AG Telephone [phone]
Business Unit SOM Fax [phone]
Max Schmidheiny-Strasse 201 www.leica-microsystems.com
CH-9435 Heerbrugg www.surgicalscopes.com
Service manual
Leica M500 OH3
10 665 679 / Edition 05/03
MICROSYSTEMS

Service manual
Leica M500 OH3
Stand for neuro surgical
microscopes
Doc Code 10 665679
Version 05/03
This documentation does not include the
service documentation about the
Leica M500 N microscope system. Find it in the documentation
10665607.
Legal questions / Safety 1
2
User manual 10711894 3
Assembly instructions 10711895 4
Description M500 OH3 5
6
7
Wiring diagram / locations 8
Service programs 9
Fault finding/diagnosis 10
Replacing modules 11
Maintenance service 12
Inspection procedure 13
Spare parts catalogue 14
15

Leica M500 OH3
User manual
10 711 894 – Version -

Leica M500 OH3 / Ref. 10 711 894 / Version -

Survey of chapters
Leica M500 OH3 / Ref. 10 711 894 / Version -
Introduction 3
Operating elements 9
Preparation before surgery 12
After surgery 13
Operation 14
Accessories 31
Safety precautions 34
Care and maintenance 38
What to do if... 40
Technical data 43
1

Contents
Leica M500 OH3 / Ref. 10 711 894 / Version -
Page
Introduction
User manual 3
Product identification 3
Symbols used in this manual 3
Overview 4
Function 6
Operating elements
Leica M500 N microscope with
microscope carrier 9
Control unit 10
Footswitches 11
Mouth switch 11
Preparation before surgery
Transportation 12
Preparations before surgery 12
Performing function checks 13
Positioning at operating table 13
After surgery
Tasks to be completed after surgery 13
Operation
Setting/releasing footbrakes 14
Locking the Leica M500 OH3 14
Selecting XYZ-Free/Focus-Lock brakes 15
Balancing out the Leica M500 OH3 15
Switching on illumination 18
Switching from main illuminator to backup
illuminator 18
Setting light field diameter of illumination field and
working distance 19
Lock/release multifocal focus 19
Selecting name of operating doctor at control unit 20
Determining dioptres for users 21
Setting up eyepieces 21
Attaching protective glass to eyepiece 21
Attaching sterile operating elements 22
Operation of control unit 22
Settings at control unit 23
Controlling zoom and focus 28
Pulling in additional cables 29
Changing wheel counterweight at D axis 30
Accessories
180° dual stereo attachment 31
Binocular tube; can be tilted; with variable
viewing angles 30°–150° 31
Stereo/second-observer attachment 31
Beam splitter with counterweight 31
Video-zoom tube 32
Adapter piece for accessories of the
M 600 series 32
Beam splitter 32
Dual Imaging Color Module DI C500 32
Ultra Observer ULT500 32
Mounting accessories 33
2
Page
Safety precautions
Intended use of instrument 34
Directions for the person responsible for the
instrument 34
Directions for the user 34
Dangers of use 35
Labelling 36
Care and maintenance
Care instructions 38
Replacing lamps 38
Replacing fuses 39
Operational check 39
What to do if...?
General faults 40
TV, photography 42
Error messages at control unit 42
Technical data
Electrical data 43
Leica M500 N 43
Accessories 43
Floor stand 44
Standards 44
Environmental conditions 44
Limitations on use 44
Dimensional drawings 45

Introduction
Leica M500 OH3 / Ref. 10 711 894 / Version -
User manual
This user manual contains important safety
precautions as well as information on setting up
the instrument (see the chapter entitled «Safety
precautions»).
Before attempting to set up the product carefully
read through the user manual.
Product identification
The model and serial number of your product are located on the
identification label on the illumination unit. Copy this
information into your user manual and always refer to it if you
have questions for our representatives or service locations.
Model: Serial No.:
Symbols used in this manual
The symbols used in this user manual have the following
meaning:
Warning This indicates a potentially hazardous
situation which could result in death or
serious injury.
Caution Indicates a potentially hazardous situation
which, if not avoided, may result in minor
or moderate injury and/or appreciable
material, financial and environmental
damage. It may also be used to alert
against unsafe practices.
Important paragraphs, which must be
adhered to in practice as they enable the
product to be used in a technically-
correct and efficient manner.
Indicates that you have to do something.
➩
3

Introduction
4Leica M500 OH3 / Ref. 10 711 894 / Version -
Overview
Leica M500 OH3 surgical microscope system
1 Horizontal cable channel
2 Swing arm
3 Vertical cable channel
4 Control unit
5 Illumination unit
4
5
6
7
9
2
8
3
1
6 Footbrake
7 Foot
8 Locking knob
9 Leica M500 N microscope