Section 6
Routine Maintenance and Cleaning
Cleaning and
Disinfecting the
Open Reservoir
Scavenger
The scavenger interface does not normally need to be disinfected.
However, if the user facility requires disinfection, an EtO process can be
used after cleaning. Refer back to the cleaning instructions provided
under the “Routine Maintenance“ section in this chapter.
CAUTION: Do not autoclave the open reservoir scavenger. The
scavenger’s flowmeter cannot withstand the heat of
autoclaving.
Cleaning and
Disinfecting the
Passive
Scavenger
Interface
The scavenger interface does not normally need to be disinfected.
However, if the user facility requires disinfection, an EtO process can be
used after cleaning. Refer back to the cleaning instructions provided
under the “Routine Maintenance“ section in this chapter.
CAUTION: Do not autoclave the scavenger interface for passive
systems. The scavenger’s relief valves cannot withstand
the heat of autoclaving.
Disinfecting the
Scavenger Hoses
The scavenger hoses are not part of the breathing circuit, so they do not
require disinfection. If the user facility requires disinfection, refer back
to the instructions provided in “Cleaning and Disinfecting Corrugated
Breathing Hoses, Mask Elbow, and Bag” to select a compatible process.
Check the hoses frequently for signs of deterioration, including swelling
tackiness, or cracking. Replace the affected parts when any of these
conditions are evident.
Reassembly
Instructions
Make sure all parts are complete dry and adequately aerated before
reassembling the machine after cleaning and disinfection procedures.
1. Reassemble the ventilator bellows assembly. Fit the relief valve
dome onto the relief valve body, and tighten the knurled ring nut.
Place the ventilator bellows on bellows bottom assembly and turn
it clockwise until it is secure.
2. Replace the bellows assembly. Fit the bellows assembly into the
ventilator bellows canister and tighten the two wing nuts.
3. Replace the absorber. Fit the absorber assembly on the absorber
pole, making sure the o-ring is in place. Use a 3/16-inch hex
screwdriver to tighten the hex screw securing the absorber
system assembly to the absorber pole.
6-19
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