LTV 1150 - Cautions; Display Test; Chapter 4 - CLEANING, DISINFECTING AND STERILIZING; Vent Maintenance

Page iv LTV
®
1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
Contents
Notices .........................................................................................................................................iii
Chapter 1 - Introduction.................................................................................. 1-1
Getting Assistance ....................................................................................................................1-1
Operator’s Safety Information ...................................................................................................1-2
Warnings ...................................................................................................................................1-3
Cautions ....................................................................................................................................1-4
Symbols.....................................................................................................................................1-5
Chapter 2 - Ventilator Checkout Tests .......................................................... 2-1
Alarm Test .................................................................................................................................2-3
Display Test...............................................................................................................................2-4
Control Test...............................................................................................................................2-6
Leak Test...................................................................................................................................2-8
Vent Inop Alarm Test ..............................................................................................................2-10
Exit ..........................................................................................................................................2-11
Chapter 3 - Real-Time Transducer Data ........................................................ 3-1
Chapter 4 - Cleaning, Disinfecting and Sterilizing........................................ 4-1
Cleaning the Ventilator..............................................................................................................4-1
Cleaning or Replacing the Fan Filter.........................................................................................4-2
Cleaning or Replacing the Inlet Filter........................................................................................4-3
Cleaning or Replacing the O
2
Inlet Filter (LTV
®
1200 Only)......................................................4-4
Cleaning the Exhalation Valve and Reusable Patient Circuit ...................................................4-6
Chapter 5 - Preventative Maintenance........................................................... 5-1
Recommended Maintenance Schedule ....................................................................................5-1
Before Initial Use.......................................................................................................................5-2
Storage Maintenance ................................................................................................................5-2
Daily Maintenance.....................................................................................................................5-2
Monthly Maintenance ................................................................................................................5-2
10,000 Hour / 2 Year Maintenance ...........................................................................................5-3
30,000 Hour Maintenance / 6 Year Maintenance .....................................................................5-3
Chapter 6 - Maintenance & Calibration.......................................................... 6-1
Operating Theory ......................................................................................................................6-1
Pneumatic Schematic Detail .................................................................................................6-3
Vent Maintenance .....................................................................................................................6-4
Entering Vent Maintenance Mode.........................................................................................6-5
Vent Maintenance Entry Alarm .............................................................................................6-6
Calibration .................................................................................................................................6-6
Airway Pressure Calibration..................................................................................................6-7
Calibrate the Airway Pressure Transducers .........................................................................6-9
Flow Differential Calibration ................................................................................................6-10
Valve Differential Calibration...............................................................................................6-13
PEEP Pilot Pressure Transducer Calibration .....................................................................6-16
O
2
Inlet Pressure Calibration (LTV
®
1200 Only) .................................................................6-17
Motor Drive Calibration .......................................................................................................6-19
Measure Turbine Speed (T/S) ............................................................................................6-21