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CAUTION: Do not attempt to disassemble individual
parts of the airway body assembly. Attempting to do so
will cause permanent damage and the airway body will
have to be replaced.
7. Using the spanner wrench, remove the push button (35) from the
stem (31). It may be necessary to secure the stem in a vise or a
pair of soft jawed pliers to loosen the push button. A small amount
of Loctite 425 or 480 is used to secure the button in place. Ensure
the stem is protected from damage.
8. Remove the push button (35), washer (34) and the inflator diaphragm
(33) from the stem (31). Next, remove the plastic valve (32) from the
stem. It may be necessary to secure the stem in a vise or a pair of soft
jawed pliers to remove the plastic valve. A small amount of Loctite 425
or 480 is used on the threads of the stem.
9. Clean any residual Loctite
from the large threads of the
stem (31).
NOTE: The cap is bonded to the dual valve body with a
small amount of Loctite 425 or 480. It will be necessary to
separate this bond prior to performing further disassembly
by carefully following the procedure outlined below.
10. Locate the seam that runs along the circumference between the
dual valve body (13) and the outer cap (17), where the cap is fastened
to the body. Using the plastic handle of a medium size screwdriver, or
similar lightweight blunt instrument, rap sharply against all points of the
seam on the cap to break the adhesive bond.
CAUTION: Do not apply excessive force or use a
hammer, mallet or other heavy instrument.
Seam
11. Hold the dual valve body (13) secure and slightly press in on
the cap (17) to counteract spring tension Unscrew the cap and
remove the spring from the dual valve body. Closely examine the
cap to check for any signs of thread damage, distortion, cracking,
or chemical attack that may indicate the use of excessive force or
incorrect adhesive during previous service.
NOTE: If the cap cannot be turned, repeat step 10 to
break the adhesive bond.
12. Remove the valve plate (15)
and gasket (14) from the dual
valve body (13). Remove the
gasket from the valve plate.
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