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Single Plate Entry System (SPES)
A SPES is provided for quick and easy direct access to the workstation chamber, for loading
materials. The SPES is also known as the mailbox.
1.
To open the SPES turn the knob half a turn anti clockwise until the knob stops and lower
the plate
2.
Load plate through the opening.
3.
To close the SPES lift the flap into position and turn the knob a quarter of a turn to engage
the lock. Once engaged turn the knob another quarter of a turn to engage the seal, the
knob will stop when fully closed. When operating the SPES it is good practice to ensure the
seal is clean and clear of any debris
