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For ASME valves:
a. Pull the ring of the safety valve using a tool, i.e. screwdriver, hook
etc. and lift the safety valve ring for 2 seconds. Be careful not to
burn your hands.
For PED valves:
a. Turn the pressure relief nut counterclockwise for 2 seconds.
Verify that steam escapes from the valve.
b. Return the nut to its original position.
4. Press the STOP key to interrupt the operation, and exhaust
steam from the chamber.
5. Wait until the pressure decreases to 100 kPa, only then the door
can be opened.
5. Replace it with a new safety valve (use an original only).
6. Test autoclave cycles.
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