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eschmann T20-a - User Manual

eschmann T20-a
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T20-a
OPERATION TABLE
Service manual
T-SM47j
111707

Table of Contents

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Summary

Preliminary Information

Service Manual References

Lists related publications for the service manual.

Instructions for Use and Cleaning

Importance of instructions for use, cleaning, and disinfection.

Servicing Schedule and Torque Settings

Emphasizes following the service schedule and correct torque settings.

Service Position and Part Identification

Identifies main parts and describes the 'Service Position' procedure.

Battery Charging Warning

Warning about critically low battery levels and proper charging procedures.

Technical Data

Weights and Dimensions

Nominal weights and major dimensions of the standard table components.

Table Movements and Loading

Maximum table movements, limitations, and patient weight capacity.

Electrical Specifications

Details antistatic requirements, batteries, chargers, and fuses.

Equipment Compatibility and Standards

Guidance on using the table with other equipment and compliance standards.

Environmental Conditions

Specifies operating, transport, and storage environmental conditions.

Technical Description

Power Supply and Control Electronics

Details the power supply and overview of control electronics with PCAs.

Actuator PCA Details

Details the four and three actuator PCAs and their functions.

Handset Overview and Operation

Overview of infrared and corded handset versions and their operation.

Safety Warnings

Service Position and Lifting Safety

Safety precautions for 'Service Position' and lifting heavy assemblies.

Mains Voltage and Component Safety

Safety for working with mains voltage, gas springs, hot parts, and contamination.

Battery and Lead Safety

Safety regarding connecting leads and handling leaking batteries.

Maintenance

Power Supply and Fault Finding

Replacing power supply and basic table fault finding procedures.

Electronic Faults and Fuse Location

Identifying electronic faults, connector block issues, and fuse locations.

Base and Column Maintenance Checks

Detailed checks for base and column components, covers, and wiring.

Trunk, Head, and Leg Section Checks

Checks for trunk, head, leg sections, covers, and related components.

Electrical Safety Checks

Ensures electrical safety checks are performed as per Appendix 4.

Part Removal;Adjustment;Replacement

General Replacement Notes

General notes and safety for part replacement, parts list reference.

Accessing Table Covers

Procedures for accessing components via base and column covers.

Base Covers Removal and Replacement

Steps for removing and replacing base covers.

Column Access Procedures

Methods for gaining access to different parts of the column.

Bellows and Telescopic Covers

Procedures for removing/refitting telescopic covers and bellows.

Table Base Components and Battery Replacement

Lists base components and procedures for replacing batteries and pedal dampers.

Wheels, Castors, and Brake Pads Replacement

Procedures for replacing front wheels, castor assemblies, and brake pads.

Minor Base Component Replacements

Procedures for replacing castor pillar bushes, pedal spindle bushes, lifting roller assembly, etc.

Pedal Catch Block and Anti-skid Pads

Procedures for replacing pedal catch block and anti-skid pads.

Table Column Components

Actuator and Motor Replacement

Procedures for replacing Trendelenburg, Tilt actuators, and their motors.

Telescopic Column Assembly Replacement

Detailed procedure for replacing the telescopic column assembly.

Actuator Motor, Bush, and Bearing Pad Replacement

Procedures for replacing actuator motors, bushes, and bearing pads.

Table Sections

Head and Leg Section Components

Procedures for replacing guide pins, gas springs, and top covers.

Gas Springs Replacement Warning

Warning about high-pressure gas in springs and disposal procedures.

Gas Spring Release and X-ray Top Replacement

Procedures for replacing gas spring release parts and X-ray translucent tops.

Trunk Section Component Replacements

Procedures for replacing traverse motors and drive belts.

Break Motor and Gearbox Replacement

Procedures for replacing break motors and break gearboxes.

Side Rails, Top Covers, and Push Button Replacement

Procedures for replacing side rails, top covers, and push button components.

Traverse Rod Bearing Replacement

Procedure for replacing traverse rod bearings.

Electrical Components

Component Replacement Overview

Lists electrical components that may need replacement.

PCA and Power Supply Replacement

Procedures for replacing actuator PCAs and the power supply assembly.

Motor and Potentiometer Loom Replacements

Procedures for replacing traverse, break, tilt, Trendelenburg, and height motors/looms.

Telescopic Column and Potentiometer Loom Replacements

Procedures for replacing telescopic column assembly and potentiometer looms.

Wiring Loom and Connector Replacements

Procedures for replacing traverse motor loom, connector blocks, panel looms, and energy chain.

Gearbox Loom, Batteries, Fuses, and Code Changes

Procedures for replacing gearbox loom, batteries, fuses, and changing infrared codes.

Function Tests

Battery and Handset Tests

Testing batteries, battery charger, corded, and infrared handsets.

Control Panel and Section Tests

Testing footswitch, standby panel, head/leg sections, and base pedals.

Cycle of Movements Test

Performing a cycle of movements to test all table functions.

Accessories Servicing and Cleaning

General notes on accessories servicing and cleaning.

Appendix 1 - Torque Conversions

Torque Conversion Chart

Chart for converting Nm to lb in/lb ft for imperial torque tools.

Appendix 2 - Application Software Guide

PCA Reprogramming and Calibration

Guidance on reprogramming, reconfiguring, or recalibrating table PCAs.

Appendix 3 - Schematic Diagrams

Trunk Section Schematic Diagram

Schematic diagram of the T20-a trunk section wiring.

Pedestal Section Schematic Diagram

Schematic diagram of the T20-a pedestal section wiring.

Base Section Schematic Diagram

Schematic diagram of the T20-a base section wiring.

Appendix 4 - Electrical Safety Checks

PAT Testing Procedure

Procedure for Portable Appliance Testing (PAT).

Antistatic and Leakage Current Tests

Testing antistatic path resistance and enclosure leakage current.

eschmann T20-a Specifications

General IconGeneral
Brandeschmann
ModelT20-a
CategoryMedical Equipment
LanguageEnglish

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