4 product regulator cleaning or rebuilding – AirSep MN105-1 C User Manual
Page 31

AirSep
®
Corporation
NewLife
®
Elite Service Manual
2
Set the ON/OFF switch to the ON position, and allow the unit
to run at least three minutes to build up pressure.
3
Connect the humidifier bottle, oxygen tubing, and cannula to
the oxygen outlet.
4
Remove the right side panel.
5
Turn the flowmeter adjustment knob counterclockwise un til
it stops (wide open).
6
Pull outward on the regulator knob to unlock it.
7
Turn the regulator knob clockwise until the flowmeter ball
centers on the 5.5 lpm line.
8
Push in the regulator knob to lock the setting.
9
Turn the flowmeter adjustment knob clockwise until the
flowmeter indicates 5 lpm.
10
Reconnect the side panel.
NOTE
When this back pressure correction at
5 lpm is no longer required, fol low the
normal regulator setting procedure as
described in Section 5.8.1.
5.8.4 Product Regulator Cleaning or Rebuilding
Clean or rebuild the product regulator if the flowmeter ball fluc tuates
more than 1/4 of a liter or if the regulator cannot be adjusted for lockout.
1
Set the unit’s ON/OFF switch to the OFF position, and unplug
the power cord.
2
Remove the right side panel.
3
Use large pliers to unscrew the bonnet of the product regulator,
which contains a large spring.
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