Section 6
Routine Maintenance and Cleaning
8. Remove the absorbent canisters and dust cup. Discard the
absorbent. Refer back to “Replacing the Absorbent” for
instructions.
WARNING: Absorbent is caustic and a strong irritant to the
eyes, skin, and respiratory tract. When removing
the absorbent, take care not to spill its caustic
contents.
9. Remove the inspiratory and expiratory valves by turning their
ring nuts counterclockwise until the valves are free of the system.
10. Remove the respiratory volume sensor by turning its ring nut
counterclockwise until it is free of the absorber dome.
11. Remove the pressure gauge by turning the knurled ring nut that
connects the pressure gauge to the gauge mount
counterclockwise. Lift the pressure gauge assembly off the gauge
mount. Do not misplace the o-ring.
OP00262
GAUGE MOUNT
O-RING
BREATHING
PRESSURE GAUGE
RING NUT
12. Remove the absorber using a 3/16-inch hex screwdriver to loosen
the hex screw securing the absorber assembly to the absorber
pole. Do not remove the screw. Lift the absorber off the absorber
pole. Do not misplace the o-ring.
6-8
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