VIASYS Bear Cub 750PSV Infant Ventilator Manuals

Manuals and User Guides for VIASYS Bear Cub 750PSV Infant Ventilator. We have 1 VIASYS Bear Cub 750PSV Infant Ventilator manual available for free PDF download: Service Manual

VIASYS Bear Cub 750PSV Service Manual

VIASYS Bear Cub 750PSV Service Manual (98 pages)

Brand: VIASYS | Category: Medical Equipment | Size: 3 MB

Table of Contents

Revision History
2
- Contact and Ordering Information
  3
- Warranty
  5
  - Limitation of Liabilities
    5
  - Table of Contents
    7
- Contents
  7
- List of Figures
  9
- List of Tables
  11
Chapter 1: Specifications

13
- Modes
  13
- Controls
  13
- Alarms
  15
- Monitors
  17
- Preset Values
  19
- Emissions/Susceptibility
  19
- Outputs
  19
- Inputs
  20
- Physical Dimension and Shipping Information
  20
- Environmental Specifications
  21
- Method of Sterilization/Disinfection
  21
- Cleaning
  22
- Sterilization
  22
Chapter 2: Theory of Operation

23
- Overview
  23
- Figure 2-1: Top Level Block Diagram
  23
- Figure 2-2: Pneumatics System Schematic
  24
- Ventilator Pneumatics - General Description
  25
- Gas Inlet Conditioning
  25
- Blender
  25
- Flow Control Valve
  25
- AOPR Valve/Sub-Ambient Valve/ Dump Solenoid
  26
- Auxiliary Gas Outlet
  26
- Pressure Control System
  26
- Exhalation Valve
  27
- Flow Sensor
  27
- Ventilator Electronics
  27
- Power Supply
  28
- Ventilator Software
  28
Chapter 3 OVP Recommended Service

29
- Operational Verification
  29
- Equipment Required
  29
- Table 3-1: Standard Settings
  30
- Table 3-2: Rate
  30
- Table 3-3: Exhalation Time and I/E Ratio Table
  30
- Test Procedures
  32
- Figure 3-1: Bear Cub 750PSV US with Patient Circuit
  33
- Exterior Inspection and Cleaning
  34
  - Exterior Cleaning
    34
  - Plugs and Cables
    34
- OVP Checklist
  35
- Verification Steps
  35
Chapter 4 Calibration (for Software Releases 2 and 3 Only)

37
- Introduction
  37
- Pressure Transducers and Flow Control Valve Calibration
  38
- Table 4-1: Control PCB Transducer Calibration
  38
- Table 4-2: Calibration
  39
- Table 4-3: Diagnostic Function
  40
- Air and O 2 Regulator Balance
  41
  - Objective
    41
  - Equipment
    41
  - Requirements
    41
  - Table 4-4: Inspiratory Flow Calibration
    41
  - Table 4-5: Regulator Balance
    42
  - Table 4-6: Standard Test Settings
    43
Chapter 5 Schematics and Assemblies

45
Chapter 6 Troubleshooting

69
- Figure 6-1: Troubleshooting Decision Tree
  69
- Table 6-2: Troubleshooting
  70
Chapter 7 Removal & Replacement

73
- Interior Access
  73
- Figure 7-1: Cover Removal
  73
- Flow Valve Assembly Removal
  74
- Figure 7-2: Standoff Tube Removal
  74
- Figure 7-3: Opening of Front Portion
  74
- Control PCB Removal
  75
- Figure 7-4: Flow Valve Assembly
  75
- Figure 7-5: Control PCB
  75
- Display PCB Removal
  76
- Air/O 2 Regulator Removal
  76
- Figure 7-6: Display PCB
  76
- Figure 7-7: Air / O
  76
- Blender Removal
  77
- Figure 7-8: Air / O 2 Regulator Assembly
  77
- Figure 7-9: Oxygen % Knob
  77
- Exhalation Valve Removal
  78
- Figure 7-10: Blender Removal
  78
- Figure 7-11: Blender Assembly
  78
- Figure 7-12: Exhalation Valve Assembly
  78
Chapter 8 Preventive Maintenance

79
- Replacement Parts
  79
- Recommended Service Procedure
  79
- Exterior Inspection
  80
- Interior Inspection
  80
- Specifications
  80
- Calibration and Verification Procedure
  80
- Ground Resistance Test
  81
- Current Leakage Test
  81
- Operational Verification Procedure
  81
- Figure 8-1: Ventilator Back Panel
  81
Chapter 9 RS-232 Protocol

83
Chapter 10 Parts List

93
Chapter 11 Repackaging Instructions

95
- General
  95
- Packaging Instructions
  95
- Procedure
  95
- Figure 11-1: Repacking Procedure
  96
- Index
  97

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