Gambro AK 95 AK 95S Hemodialysis Machine Service Manual Repair Guide PDF

Description

Gambro AK 95 AK 95S Hemodialysis Machine Service Manual Repair Guide PDF DOWNLOAD

DESCRIPTION

This official Gambro AK 95 / AK 95 S Service Manual provides comprehensive technical documentation for the installation, maintenance, calibration, and repair of Gambro’s professional hemodialysis monitoring systems. This extensive 247-page manual is essential for biomedical equipment technicians, dialysis machine service engineers, and nephrology facility technical staff responsible for maintaining life-critical renal dialysis equipment.

System Overview

The Gambro AK 95 / AK 95 S is a sophisticated single-patient hemodialysis machine designed to perform conventional hemodialysis treatment for patients with kidney failure. Manufactured by Gambro Lundia AB (Monitor Division, Lund, Sweden), this advanced medical device integrates precise blood flow control, dialysis fluid preparation, ultrafiltration management, and comprehensive patient safety monitoring in a reliable, clinically-proven platform.

Primary Medical Application:

• Hemodialysis treatment for end-stage renal disease (ESRD) patients
• Extracorporeal blood purification through dialyzer membrane
• Fluid removal via controlled ultrafiltration
• Electrolyte balance management with precise conductivity control
• Single-patient treatment in dialysis centers and hospitals

Key System Features

Three-Part System Architecture:

1. Blood Part Controls and monitors extracorporeal blood circulation:

• Blood flow regulation with precision pump control
• Venous blood pressure monitoring
• Arterial pressure monitoring
• Heparin administration control (anticoagulation)
• Air detection with ultrasonic sensors
• Priming detector for setup verification
• Arterial and venous line clamps for safety control
• Single needle and double needle treatment capability
• Disposable blood line compatibility

2. Fluid Part Produces and manages dialysis fluid:

• Dialysate preparation from water and concentrate
• Temperature monitoring and regulation
• Conductivity monitoring and control (electrolyte composition)
• Inlet pressure monitoring
• Degassing pressure and flow regulation
• Ultrafiltration (UF) measuring and regulation
• High-pressure monitoring
• Transmembrane pressure (TMP) monitoring
• Blood leak detection in dialysate
• pH measurement (optional feature)
• Bypass capability for dialyzer protection

3. Operator’s Panel User interface for treatment control:

• Multi-language overlay support
• Treatment parameter setting and monitoring
• Alarm display and management
• Service mode access for technicians

Advanced Treatment Capabilities

Dialysis Modes:

• Acetate dialysis mode
• Bicarbonate dialysis mode with two-concentrate mixing
• Mode selection from operator panel

Dual Concentrate System: In bicarbonate mode, the monitor mixes dialysis fluid from:

• Water supply (treated/purified)
• Acid concentrate
• Bicarbonate concentrate

Ultrafiltration Control:

• Volumetric UF control for precise fluid removal
• UF profiling capability for patient comfort
• Controlled fluid balance management

Treatment Flexibility:

• Multiple format support (1, 2, 4, 6, 9, 12, 15, 16, 20, 24, 25, 30, 35, 36, 42, 48)
• Profiling functions for sodium, temperature, and UF
• Pediatric blood tube support (4.0 mm pump segment, flows: 5, 10, 15 ml/min)
• Standard blood flow using 7.9 mm pump segments

Disinfection Systems:

• Heat disinfection capability
• Chemical disinfection programs
• Hypochlorite disinfection (presetable concentration)
• Mandatory post-treatment disinfection protocol

Protective Safety System

The AK 95 S incorporates an independent protective system with dedicated sensors and electronics:

Safety Features:

• Separate from control system for redundancy
• Independent sensors for critical parameters
• Automatic patient-safe state triggering
• Continuous parameter supervision during treatment
• Fail-safe operation principles

Monitored Safety Parameters:

• Blood pressure limits (arterial and venous)
• Air in blood circuit detection
• Dialysate temperature limits
• Conductivity boundaries
• Blood leak detection
• Ultrafiltration accuracy
• System integrity checks

Comprehensive Manual Contents

CHAPTER 1: INSTALLATION GUIDE (HCEN9133)

Complete installation procedures:

• Unpacking and Inspection
  • Equipment checklist verification
  • Package contents confirmation
  • Damage assessment procedures
• Environment and Physical Data
  • Operating environment specifications:
    • AK 95 S: Temperature +18°C to +35°C, Humidity 15%-85%, Pressure 70-106 kPa
    • AK 95: Temperature +10°C to +35°C, Humidity 30%-85%, Pressure 70-106 kPa
  • Transport/storage conditions: -20°C to +70°C (up to 15 weeks)
  • Physical dimensions: Width 600mm, Height 480mm, Depth 1270mm
  • Weight: 78 kg (all options included)
  • Stand specifications: Width 625mm, Height 580mm
• Electrical Installation
  • Mains voltage and power consumption specifications
  • Service outlet requirements
  • Line fuse specifications
  • Grounding requirements
  • Power supply connection procedures
  • Battery connection instructions
• Water Supply Connection
  • Water quality requirements
  • Back-siphonage protection
  • Connection specifications
  • Dialysis fluid tube connections
• RP 95 S Installation (external components)
  • Component positioning
  • Cable routing
  • Interface connections
• Back-up Battery System
  • Battery installation procedures
  • Cover removal instructions
  • Connection protocols
  • Charging system verification
• Start-up Procedures
  • Power-on sequence
  • Functional check (Fch) procedures
  • Recommended start-up protocol
  • System verification checklist
  • Installation completion documentation

CHAPTER 2: TECHNICAL DESCRIPTION (HCEN9134)

In-depth system operation theory:

• System and Treatment Parameters
  • Operational principles
  • Parameter relationships
  • Treatment cycle descriptions
• Fluid Part Operation
  • Detailed flow diagrams
  • Valve operation sequences
  • Service variable locations
  • Treatment mode operations
  • Mixing module (MM 95) functionality
  • Disinfection and rinse cycles
  • Heat disinfection protocols
• Component Descriptions
  • Relay board functions
  • Pressure regulator operation
  • Temperature transducers
  • Conductivity sensors
  • Flow measurement systems
  • Ultrafiltration control mechanisms
  • Blood leak detector operation
  • pH meter functionality
• Blood Part Operation
  • Blood pump control systems
  • Pressure monitoring circuits
  • Air detection technology
  • Heparin pump control
  • Clamp operation sequences
• Protective System Architecture
  • Independent safety monitoring
  • Sensor redundancy
  • Alarm generation logic
  • Patient-safe state protocols

CHAPTER 3: TECHNICAL DATA (HCEN9369, HCEN9135)

Complete specifications for both models:

Control System Performance:

• Blood flow control specifications
  • Flow rate ranges
  • Flow accuracy tolerances
  • Accumulated blood volume tracking
  • Pediatric flow settings (5, 10, 15 ml/min with 4.0mm segments)
  • Standard flow with 7.9mm segments at -150 mmHg
• Heparin administration parameters
  • Dosing accuracy
  • Flow rate ranges
  • Bolus and continuous modes
• Blood pressure control
  • Venous pressure monitoring ranges
  • Arterial pressure monitoring
  • Alarm thresholds
  • Response times
• Blood Pressure Monitor (BPM) specifications
  • Measurement accuracy
  • Cuff compatibility
  • Interval settings
• Dialysis fluid preparation
  • Conductivity range: Na+ 130-160 mmol/l (±6 mmol/l)
  • Temperature control accuracy
  • Mixing ratio precision
  • Flow rate specifications
• Ultrafiltration control
  • UF rate accuracy
  • Volume measurement precision
  • Profiling capabilities
• Disinfection programs
  • Heat disinfection parameters
  • Chemical concentration specifications
  • Cycle times and temperatures
  • Hypochlorite program settings
• Water supply requirements
  • Inlet pressure specifications
  • Flow rate requirements
  • Quality standards
• Power supply specifications
  • Voltage tolerances
  • Power consumption
  • Battery backup capacity
  • Frequency requirements
• External equipment connections
  • Interface specifications
  • Communication protocols
  • Peripheral device support

Supervisory System Specifications:

• Blood pressure supervision limits
• Extracorporeal blood loss detection
• Air detection sensitivity and response
• Coagulation detection parameters
• Dialysis fluid monitoring thresholds
• Ultrafiltration supervision accuracy
• Blood leakage detection sensitivity
• pH meter measurement range (optional)

Physical Data:

• Dimensions and weight (machine and stand)
• Infusion stand specifications
• Material compatibility lists
• Environmental operating ranges

CHAPTER 4: SERVICE TECHNICIAN’S GUIDE (HCEN9135)

Professional troubleshooting and repair:

• Fault identification procedures
• Systematic diagnostic protocols
• Component testing methods
• Circuit board troubleshooting
• Sensor verification procedures
• Pressure system checks
• Flow measurement calibration
• Electrical system diagnostics
• Software error codes
• Alarm condition analysis

CHAPTER 5: MAINTENANCE MANUAL (HCEN12189)

Preventive maintenance protocols:

• Mandatory maintenance schedule:
  • Minimum requirement: Every 2 years
  • Recommended: Yearly maintenance
  • Environment-dependent frequency adjustment
• Maintenance Procedures
  • Pre-maintenance checks
  • Cleaning protocols
  • Component inspection
  • Seal replacement
  • Filter changes
  • Tube replacement intervals
  • Lubrication schedules
  • Performance testing
• Post-Maintenance Verification
  • Functional testing
  • Calibration verification
  • Safety check protocols
  • Documentation requirements

CHAPTER 6: CALIBRATIONS (HCEN9138)

Precision calibration procedures:

• Blood flow calibration
• Pressure transducer calibration
• Conductivity meter calibration
• Temperature sensor calibration
• Ultrafiltration system calibration
• Heparin pump calibration
• Air detector calibration
• Blood leak detector calibration
• pH meter calibration (optional)
• Calibration verification methods
• Required test equipment
• Tolerance specifications

CHAPTER 7: SPARE PARTS LIST (HCEN9094)

Complete parts inventory:

• Component part numbers
• Ordering information
• Recommended spare parts inventory
• Consumable items list
• Critical component identification
• Parts diagrams with callouts

CHAPTER 8: CABLE SURVEY (K16756, CO 25702)

Comprehensive wiring documentation:

• Cable routing diagrams
• Connector pinouts
• Wire color codes
• Cable specifications
• Length requirements
• Replacement procedures

CHAPTER 9: SYMBOL DESCRIPTION (HCEN9160)

Technical symbols and legends:

• Schematic symbols
• Flow diagram notation
• Warning symbols
• Interface icons
• Operator panel symbols

CHAPTER 10: REPLACEMENTS (HCEN12078)

Component replacement procedures:

• Step-by-step removal instructions
• Installation protocols
• Adjustment requirements after replacement
• Special tools needed
• Component-specific precautions

CHAPTER 11: ELECTRICAL SAFETY INSPECTIONS (HCEN12190)

Compliance and safety verification:

• Electrical safety test procedures
• Leakage current measurements
• Ground integrity testing
• Insulation resistance checks
• Patient safety verification
• IEC compliance testing
• Documentation requirements
• Test equipment specifications

Service Engineer Qualifications

This manual requires technicians with:

Minimum Competence Requirements:

1. Practical experience with AK 95 S monitor
2. Completed AK 95 S technical service course with certificate
3. Access to recommended test equipment and special tools
4. Access to recommended spare parts inventory
5. Understanding of AK 95 S Operator’s Manual (HCEN9794 or HCEN9542)

Training:

• Provided by Gambro Lundia AB Monitor Division
• Certificate of completion required
• Ongoing technical support available

Safety and Compliance

Manufacturer’s Disclaimer: Gambro accepts responsibility for equipment safety, reliability, and performance ONLY when:

• Installation follows recommended procedures
• Maintenance performed by qualified, trained personnel
• Calibrations done according to specifications
• Repairs by appropriately trained technicians
• Equipment modifications authorized in writing by manufacturer
• Electrical installation complies with local codes and IEC requirements
• Equipment used per published Operator’s Manual

Product Classifications:

• IEC compliance for medical electrical equipment
• Class 1 device (grounded equipment)
• Continuous operation classification
• Medical device safety standards conformance

Installation Safety:

• Water exposure protection required
• Proper grounding mandatory
• Chemical storage separation
• Adequate ventilation provisions
• Stable mounting surface required
• Back-siphonage protection for water supply

Out of Box and Complaint Reporting

Installation Reporting: Upon new installation, complete and return Installation/Out of Box report to: Gambro Lundia AB, Monitor Division, Lund, Sweden

Complaint Procedures: Report deviations comprehensively to relevant Gambro Sales Company for product improvement feedback

Manufacturer Contact Information

Gambro Lundia AB Monitor Division Box 10101 SE-220 10 Lund, Sweden Phone: +46 46 16 90 00 Fax: +46 46 16 96 96

Who Should Use This Manual?

• Biomedical equipment technicians (BMETs)
• Dialysis machine service engineers
• Hospital technical services staff
• Nephrology/renal department maintenance personnel
• Gambro authorized service technicians
• Healthcare facility biomedical engineering departments
• Dialysis center technical staff

Manual Features

✓ Official Gambro factory service manual
✓ 247 pages of comprehensive technical documentation
✓ 11 detailed chapters covering all service aspects
✓ Flow diagrams and system schematics
✓ Complete calibration procedures
✓ Spare parts lists with part numbers
✓ Cable routing diagrams
✓ Electrical safety inspection protocols
✓ Troubleshooting guides
✓ Maintenance schedules
✓ Component replacement procedures
✓ Both AK 95 and AK 95 S models covered

This service manual provides biomedical technicians with complete factory-level technical knowledge for maintaining and repairing Gambro AK 95/AK 95 S hemodialysis monitors, ensuring safe and reliable operation of life-critical renal dialysis equipment.

FILE DETAILS

Manual Name: Gambro AK 95 / AK 95 S Service Manual
Models Covered: AK 95, AK 95 S Hemodialysis Monitors
Year: 2006 (Revision 10.2006)
Manual Quality: Excellent – Clear text, detailed diagrams, professional formatting
Number of Pages: 247 pages
File Format: PDF
File Size: 9.5 MB
Language: English
Publication Number: HCEN9095
Revision: Rev. 10.2006
Publisher: Gambro Lundia AB, Monitor Division, Sweden
Copyright: © Copyright Gambro Lundia AB, Sweden, 1996