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Leica OH4 Service Manual

Leica OH4
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Service Manual
Leica OH4
Stand for neuro surgical microscopes
Doc. Code 10 665742 – 04/2007
Edition 1
Legal questions / Safety (10 665 629) 1
Service News, Modifications 2
OH4 Stand
(10 665 744) 3
4
5
6
7
8
User Manual (10 714 367) 9
Installation Manual
(10 714 368) 10
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Leica OH4 Specifications

General IconGeneral
BrandLeica
ModelOH4
CategoryMicroscope
LanguageEnglish

Summary

Legal Questions and Safety

Symbols and Their Meanings

Explains hazard and information symbols used in the manual, including danger, warning, caution, and usage information.

Legal and Safety Information

Covers copyright, liability, and safety responsibilities for service technicians handling the manual.

Technical Description of the Leica OH4

System Overview and Components

Lists system articles, accessories, and their specifications for the Leica OH4 system.

Technical Specifications

Details electrical, optical, and mechanical data of the Leica M525 microscope system.

Control Elements and Indicators

Identifies and describes the function of various control buttons, indicators, and operating states.

Wiring Diagrams and Block Diagram

Power Supply and Master Controllers

Illustrates the power supply connections and master controller configurations.

System Block Diagram

Provides a high-level functional block diagram of the Leica M525 OH4 system.

Service Programs and Diagnostics

Navigating the Service Menu

Explains how to access and navigate the service menu structure, including general information.

Diagnose and Setup Functions

Details diagnostic procedures, error history, and system setup options like firmware updates.

Software Updates and Service Tools

Covers updating the service tool, MDC, UIC, OH4 adapter, and managing configurations.

Module Replacement and Adjustment Procedures

D-Balance Module Adjustment Procedure

Provides a step-by-step guide for adjusting the D-balance module, including shim usage.

A/B-Balance Module Adjustment Procedure

Details the procedure for adjusting the A/B-balance module, focusing on switch and LED indicators.

Maintenance and Inspection Schedule

General Maintenance Guidelines

Outlines general practices for maintaining the instrument's cleanliness and condition, including parts cleaning.

Specific Maintenance and Inspection

Recommends periodic checks and re-greasing of mechanical parts every 18 months.

Inspection Procedures and Test Certificate

Test Certificate Details

Provides a template for recording system configuration, serial numbers, and test results.

Accessory Weight List

Lists accessories with their weights for balance calculations, crucial for system stability.

Spare Parts Catalogue

General Parts and Toolset

Lists common parts like screws, toolsets, fuses, and cables for general maintenance.

Base and Stand Components

Details parts related to the stand, castors, dampers, and base assembly.

Control Unit and Electronics

Lists PCBs, displays, flash cards, and other control unit components.

Module-Specific Spare Parts

Lists parts for D-balance, swing arm, swing carrier, handgrips, and optics carrier.

Introduction to the Leica M525 OH4

Product Identification and Symbols

Explains how to identify the microscope model and serial number, and common symbols.

System Design Overview

Illustrates the main components and their arrangement on the microscope system.

Microscope Controls and Operation

Microscope Swing Arm Controls

Details the functions of LEDs, buttons, and switches on the microscope arm for various modes.

Control Unit Interface and Terminals

Describes the touch panel, buttons, status line, and various input/output terminals.

Handle and Footswitch Assignments

Explains how to configure CAN handles and footswitches for specific functions and user presets.

Preset Operational Modes

Outlines pre-configured settings for different surgical applications like Cranial, Spine, and ENT.

Setup and Preparation for Use

Pre-Operation Checklist

Provides essential steps to perform before operating the microscope, including cleaning and accessory installation.

Installing Optical Accessories

Guides the user through attaching components like tubes, beam splitters, and cameras.

Balancing the Microscope System

Explains the automatic and manual balancing procedures for optimal stability and safety.

Microscope Usage and Settings

Positioning and Adjusting Microscope

Covers coarse and fine positioning of the microscope using controls, including XY drive.

Illumination and Brightness Control

Details how to adjust illumination intensity, field diameter, and use the BrightCare™ function.

Magnification and Focus Adjustment

Explains manual and automatic adjustment of zoom and focus, including motor failure procedures.

User Settings and Configuration

Describes managing user profiles, saving settings, and configuring handles/footswitches.

Safety Notes and Precautions

General Safety and Intended Use

Outlines fundamental safety rules, intended application, and responsibilities for personnel.

Operational Hazards and Warnings

Lists potential dangers during operation, including electrical shock, injury, and tissue heating.

Electromagnetic Compatibility (EMC)

Provides manufacturer declarations and guidance on electromagnetic immunity and separation distances.

Maintenance and Troubleshooting Guide

Routine Maintenance Procedures

Covers cleaning, bulb and fuse replacement, and reprocessing of resterilizable parts.

Diagnosing and Resolving Faults

Lists common faults, their causes, and recommended remedies for operational issues.

Technical Data Specifications

System Electrical and Optical Data

Details electrical requirements, magnification range, field of view, and microscope carrier specifications.

Component Specifications and Weights

Lists specs for IGS, Fluorescence, Floor stand, materials, and accessory weights.

Environmental Conditions and Limitations

Specifies operating/storage conditions, standards fulfilled, and usage limitations.

General Safety and Assembly Preparations

Assembly Safety Precautions

Highlights critical safety measures to follow during instrument assembly, including hazard symbols.

Unpacking and Tools Required

Guides on unpacking the microscope system and lists necessary tools and assembly materials.

Microscope Component Assembly

Stand and Weight Installation

Details steps for mounting the stand, securing the swing arm stop, and attaching counterweights.

Microscope and Optics Carrier Installation

Explains how to install the microscope carrier, optics carrier, and handgrips.

Electrical Connections and MDRS Setup

Covers connecting power, data cables, and optional MDRS components to the system.

Fluorescence and Light Source Installation

Guides the installation of fluorescence filters, connector boards, and additional light sources.

Initial Startup and Final Checks

System Balancing and Mobility Test

Describes procedures for balancing the microscope and checking its movement and stability.

Functional Tests and Acceptance

Outlines the inspection process, safety checks, and acceptance sequence by Leica Service.

Delivery Report Completion

Specifies the procedure for filling out the delivery report by the responsible Leica representative.

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