6-13
Sterilizer Operation
Operator Manual
P129394-176
6.10 Gravity Cycles
The Gravity cycle is used for sterilizing one or more unwrapped
instrument trays containing non-porous items.
1.
Refer to
2.
See instructions for using the loading car/transfer carriage or
rack and shelves, earlier in this section, for procedures to load
the sterilizer.
3.
To start the Gravity cycle, press the appropriate
GRAVITY
for descriptions of cycle
use.
4.
Confirmation screen #47 or #51 appears on the control (see
facing page). Verify correct load is in the chamber to match
sterilize exposure time for selected cycle and press YES or NO
to continue.
NOTE:
If the wrong cycle has been selected, see
5.
Sterilizer automatically progresses through cycle, as follows:
NOTE:
The control display indicates cycle progress in two ways:
a.
Large numerals in the screen’s center display estimated
remaining cycle time,
b.
Change of phase name in the top status line of the screen.
ACTIVATE SEAL – Steam enters the door seal, pressing it
against inside surface of the door.
PURGE – Chamber is purged with steam. Start of condition is
printed.
CHARGE – Chamber is charged with steam. Start of steam
charge is printed.
STERILIZE – Start of sterilize exposure is printed when the
chamber reaches sterilization temperature. Chamber
temperature is printed every minute.
FAST EXHAUST – Start of exhaust is printed and chamber is
exhausted to 4 psig.
DRY – Start of dry is printed and display counts down dry time
remaining.
AIR BREAK – Chamber is returned to atmospheric pressure.
RETRACT SEAL – A vacuum is drawn on the seal, retracting it
from inner surface of door.
COMPLETE – Complete tone sounds. Cycle summary and end of
cycle messages are printed.
6.
Unload sterilizer (see instructions for using the loading car/
transfer carriage or rack and shelves, earlier in this section for
procedures to remove load).
WARNING – BURN HAZARD:
•
Sterilizer, rack/shelves and
loading equipment will be hot
after cycle is run. Always
wear protective gloves and
apron when removing a
processed load. Protective
gloves and apron must be
worn when reloading
sterilizer following the
previous operation.
•
Steam may be released from
the chamber when door is
opened. Step back from the
sterilizer each time the door
is opened to minimize
contact with steam vapor.
WARNING – SLIPPING
HAZARD: To reduce slippery
conditions, keep floors dry by
immediately wiping up any
spilled liquids or
condensation in sterilizer
loading or unloading area.
WARNING – PERSONAL
INJURY HAZARD: When
closing the chamber door,
keep hands and arms out of
the door opening and make
sure opening is clear of
obstructions.
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