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21
CO
2
Incubator
-
4.1 Scheduled Maintenance
Proper and timely maintenance is crucial for trouble free functioning of any device and your CO
2
incubator is
no exception to this rule. We strongly recommend that you follow the maintenance schedule suggested
hereunder in order to obtain optimal performance from your incubator.
No Description of Task to Perform
Maintenance to be carried out every
Day Week 6 Months Year As Needed
1 Check CO₂/N₂ gas tank level √
2 Check water level in the humidity pan √
3 Cleaning √
4 Calibration of O
2
sensor √
5 General Inspection √
6 Calibration of temperature sensor √
7 Calibration of CO
2
sensor √
8 Calibration of humidity sensor √
9 Change ULPA filter √
10 Change inline filters √
11 Decontamination √
4.1.1 Check CO
2
/N
2
Gas Tank Level
Check the pressure gauge on the two stage gas regulator daily to ensure the pressure is not below 15 psig.
Replace new tank if necessary.
4.1.2 Check Water Level in the Humidity Pan
Check weekly to ensure there is sufficient water in the pan. It is recommended to check the water level and
refill the humidity pan with distilled, sterile water once a week.
4.1.3 Cleaning and Decontamination
See chapter 5 – Cleaning & Decontamination
4.1.4 General Inspection
Check the following regularly – at least annually:
Tightness of the glass door seal
Functional check of the operating panel and device control
Electrical safety check in accordance with the relevant regulations
Check tightness of hinge screws on door’s moving parts
Check the latch of glass door if working properly and able to close tight
4.1.5 Calibration of Temperature, CO
2
, O
2
and Humidity
See section 3.3 - Calibration
4.1.6 Change ULPA Filter
See section 2.2.3 - ULPA Filter Installation
4.1.7 Change Inline Filter
Inline filters are installed to remove any contaminants in the CO₂ or N
2
gas supply. It prevents accumulation of
dirt in the gas inlet solenoid valves and the tubes leading into the work area of the incubator. Change the inline
filters at least once a year or when the filter is dirty by visual inspection. Use the hose clamp to secure the
tubing to the filter to ensure a gas-tight connection.