9 Anesthetic Gas Module Maintaining the Anesthetic Gas Module
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Maintaining the Anesthetic Gas Module
WARNING Failure to implement a satisfactory maintenance schedule by the individual, hospital or institution
responsible for the operation of this equipment may cause equipment failure and possible health
hazards.
This chapter describes the Preventive Maintenance tasks (PMs) required to keep the Philips M1026A
Anesthetic Gas Module in good working order. PMs are performed to a timetable before problems
arise as a means to reduce failures.
Where a PM requires either a calibration or replacement procedure, you will be referred to the relevant
chapter of this guide. The PMs are listed, within a table, in ascending order of the frequency they are
performed.
All checks that require the instrument to be opened must be made by qualified service personnel.
CAUTION Take precautions when dealing with potentially contaminated parts, such as tubing and other
components of the patient circuit. Wear gloves, mask and gown while handling components that come
into contact with the patient’s exhalant gas or fluids.
Preventive Maintenance (PM) Tasks
Here is a list of the PM tasks required to ensure satisfactory operation of the Philips M1026A
Anesthetic Gas Module within its specified limits and how often they must be performed.
• Check the ventilator fan in the AGM for proper operation every 6months.
• Check the AGM’s calibration at least once every 12 months, or whenever the validity of the readings
is in doubt. Refer to Checking and Calibrating the Anesthetic Gas Module for details.
• Replace the internal Nafion® tubing, room air filter, and pump filter, two internal bacterial filters,
and two watertrap manifold seals using the PM kit, every 12 months.
• Test the pump using the test procedure provided in the PM Kit every 12 months. If the test fails,
replace the pump.
• Check electrical safety (ground impedance and enclosure leakage current test) at least every 12
months.
Cleaning
Each time the top cover is removed from the AGM for repair or calibration, you should take the
opportunity to clean the inside of the module, as the fan may draw debris such as dust and lint into the
enclosure.
WARNING Switch off the instrument and disconnect it from the mains power supply. Take standard electrostatic
precautions. For example, wrist strap connected to electrical ground.
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