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© Midmark Corporation 2018
Check Pressure Relief Valve
(must be checked each month to assure it functions properly)
A) Press Unwrapped button
B) Press Start button
C) Wait until pressure in chamber
reaches 20 PSI (138 kPa).
D) Pull upward firmly on the pressure relief lever for approximately 3 seconds, then release.
(Steam should discharge freely from beneath rear of unit when lever is pulled.
If the valve does not close completely when lever is released,
pull lever again and release quickly so that it snaps closed.
Repeat this until valve seats properly).
E) Press Stop button
(This aborts the cycle to prevent overheating).
MA601301i
Pressure Relief
Lever
Caution
During the pressure relief valve check, steam will be vented from under the sterilizer. To keep
from being burned, place a steam barrier (a rolled up towel) around the bottom of the sterilizer.
Equipment Alert
If excessive force is required to open the
pressure relief valve, or if the valve will
not reseat properly, the valve must be replaced.
(Refer to “Calling for Service” in this manual).
Extended Use Maintenance
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