LT-2026
9
EN
4. Maintenance
A. Initial Inspection—Equipment Provider
DeVilbiss recommends equipment inspection upon delivery
❏ Power up the DV54/DV53 PAP using AC power.
❏ Test pressure accuracy using an outlet cap (DV54/
DV53D-620), a calibrated pressure gauge and the proce-
dures listed under Pressure Accuracy Test.
❏ Test the keys on the keypad using the procedures listed
under Keypad Test.
B. Routine Maintenance—Patient
❏ Wipe case with damp cloth every few days
❏ Check air-inlet fi lter every 10 days and clean as needed
❏ Clean air supply tubing daily
❏ Clean mask and headgear per manufacturer’s instructions.
C. Required three years Maintenance—
Equipment Provider
DeVilbiss requires the following maintenance from the equip-
ment provider:
❏ Test pressure accuracy using procedures listed under Pres-
sure Accuracy Test. If the device is out of calibration, follow
corrective procedures as listed.
❏ Instruct patient on fi lter maintenance described in Instruc-
tion Guide:
Standard Filter
o Inspect fi lter every ten days
o Clean as needed
o Change every 6 months
Optional Fine Particle Filter
o Inspect fi lter every ten days
o Replace if dirty
o Change every 30 days
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