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note: Before performing any disassembly, refer to the
exploded parts drawing which references all mandatory
replacement parts. these parts should be replaced with
new and must not be reused under any circumstances
regardless of the age of the valve or how much use it
has received since it was last serviced.
cAutIoN: use only a plastic (pn 103102) or brass
(pn 944022) o-ring removal tool when removing o-
rings to prevent damage to the sealing surface.
Even a small scratch across an o-ring sealing sur-
face could result in leakage. once an o-ring seal-
ing surface has been damaged, the part must be
replaced with new. Do Not use a dental pick or
any other steel instrument.
Airway maintenance
Procedures
Airway Disassembly
1. Turn the retaining collar and remove the dual valve assembly
from the connector. Remove the gasket (13) from the connector.
2. Using diagonal pliers (pn 9-45171), carefully remove the three
clamps (23) from the spiral hose (25) securing the inflator and dual
valve assemblies.
cAutIoN: Do not cut the spiral hose while removing
the clamp.
3. Pull back the hose (25) from the mouthpiece body (30). Press
the pin (29) out from one side using a pin punch or similar tool to
release the braided nylon cord (24). Remove the hose (21) from the
dual valve assembly, set the dual valve assembly to the side.
oRAL INFLAtoR
Disassembly
1. Using the spanner wrench (pn 129198) to hold the push button
(38), remove the nut (26) from the stem (34) with a 5.5mm nut driver.
Use needle nose pliers to remove the washer (27) and the rubber
valve (28). Discard nut (26) and rubber valve (28).
2. Using a straight blade screwdriver, carefully lift out the fingers of
the cage (39) and remove it from lower inflator housing (32).
cAutIoN: Do not apply excessive force or pry against
the housing/cage with the tip of the screwdriver.
21
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