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Gambro AK 95 S Service Manual

Gambro AK 95 S
247 pages
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AK 95 / AK 95 S
Service Manual
A better way to better care

Table of Contents

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Gambro AK 95 S Specifications

General IconGeneral
TypeHemodialysis Machine
ManufacturerGambro
ModelAK 95 S
Dialysate Flow Rate300-800 ml/min
Power Supply100-240 V AC, 50/60 Hz
Arterial Pressure MonitoringYes
Venous Pressure MonitoringYes
Intended UseHemodialysis
ApplicationHemodialysis, Hemofiltration, Hemodiafiltration, Isolated Ultrafiltration
Blood Flow Rate50-500 mL/min

Summary

Preface

About this manual

Provides information for installation, maintenance, and calibration of the AK 95/AK 95 S monitor.

Maintenance

Ensures proper operation through regular maintenance procedures performed by qualified technicians.

Competence of Service Engineers

Outlines the minimum competence required for service engineers working on Gambro products.

Repair

Provides the address for sending parts for repair.

1. Installation Guide

Unpacking and inspection

Checks if the equipment has been delivered and is free from damage.

Environment and Physical Data

Details the operating, transport, and storage environment specifications.

Mains Water Supply

Specifies the requirements for the mains water supply, including quality, pressure, and temperature.

Connection to the Power Supply

Instructions for connecting the machine to the power supply.

Connection of the Battery

Details on connecting the rechargeable battery for alarm functions.

Installation of RP 95 S

Step-by-step guide for installing the RP 95 S unit.

Recommended start-up procedure

Outlines the essential checks and steps for starting up the machine.

2. Technical Description

General

Overview of the AK 95 S machine, its parts, and main functions.

Fluid Part

Detailed description of the fluid part, including flow diagrams and components.

Blood Part

Description of the blood part, covering flow diagrams, treatment, and components.

Operators panel

Description of the operator's panel layout and its logical groups.

Power Supply

Details on the design and block diagram of the power supply unit.

3. Technical data and specifications

Performance and specification - Control system

Details on blood flow control, heparin administration, and pressure control.

Dialysis fluid preparation

Specifications for pressure regulators, temperature, flow rate, and degassing.

Ultrafiltration control

Technical specifications for UF volume, accuracy, coefficient, and rate.

Disinfection and cleaning

Information on chemical and heat disinfection programs.

Power supply

Specifications for mains voltage, power consumption, cable details, and fuses.

Environmental data

Specifies ambient temperature, humidity, and air pressure for operation and storage.

4. Service technicians guide

Operator’s panel

Overview of the operator's panel, its groups, bargraphs, and displays.

Service maintenance menu

Guide to using the service maintenance menu for preset, logging, and service modes.

Preset mode

Details on setting up the AK 95 S, including manual, external, and default presets.

Service mode

Instructions for entering and navigating the service mode for hardware and software adjustments.

BM diagnostics

Procedures for testing the Blood Pressure Monitor (BPM) functions.

UF diagnostics

Steps for performing UF cell calibration and verification.

Logging mode

Guide to checking the machine's condition and status using logging facilities.

5. Maintenance Manual

Preventive maintenance procedures for AK 95 / AK 95 S

Procedures for preventive maintenance, including parts replacement and actions after replacement.

Preventive Maintenance: Base-kit

Details the parts included in the Base-kit for mandatory preventive maintenance.

How to exchange the parts included in the Base-kit

Step-by-step guide for replacing parts from the Base-kit.

Actions to carry out after the parts have been exchanged

Post-replacement checks and tests, including BPM-test and electrical safety inspections.

Preventive Maintenance: A-kit

Details the exterior parts included in the A-kit for preventive maintenance.

Preventive Maintenance: B- and C-kit

Lists overhaul parts for B- and C-kits, used as complementary additions to the Base-kit.

6. Calibrations

A/D Converters

Procedure for calibrating the Analog-to-Digital converters.

Transducers

Calibration procedures for various transducers, including selection diagrams.

Venous Pressure Transducer Calibration

Step-by-step guide to calibrate the venous pressure transducer.

Arterial Pressure Transducer Calibration

Step-by-step guide to calibrate the arterial pressure transducer.

Conductivity Transducer calibration

Procedure for calibrating the conductivity transducers (A, B, P).

UF Calibration

Calibration routines for the UF-measuring unit in different modes.

BPM-test

Test procedures for the Blood Pressure Monitor (BPM).

7. Spare Parts List

Front panel outside

Exploded view and part list for the front panel exterior.

Operator's panel

Diagram and part list for the operator's panel components.

Blood pump

Diagram and part list for the blood pump assembly.

UF measuring unit

Diagram and part list for the UF measuring unit.

Boards

Diagrams and part lists for the various electronic boards.

BPM, Battery backup - (Option), pH

Diagram and part list for BPM, battery backup, and pH components.

Feeding pumps

Diagram and part list for the feeding pumps.

Conductivity cells

Diagram and part list for the conductivity cells.

9. Symbol Description

List of symbols

Defines common symbols used in the manual and on the product.

10. Replacements

Replacement matrix

Matrix outlining actions for component replacements and their order.

Change actions

Detailed explanations for executing various actions after component replacement.

11. Electrical Safety Inspections for AK-machines

Visual inspection

Procedure to check for external damage and contamination of the machine.

PET - Protective earth test

Tests to verify the protective earth connection and resistance.

ELT - Earth leakage current test

Measures earth leakage current to ensure it is within safe limits.

PLT - Patient Earth Leakage Current Test

Measures patient leakage current to ensure it is within safe limits.

Checklist

Checklist for service engineers to record Electrical Safety Inspection results.

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