CIRAS-3 Operation Manual V. 1.09 200 support@ppsystems.com
Changing PLC3 Universal Head Plates
The PLC3 Universal is supplied with 3 different head plates:
• 25 mm x 7 mm (1.75 cm
2
)
• 18 mm Diameter (2.5 cm
2
)
• 25 mm x 18 mm (4.5 cm
2
)
Each head plate has a top and bottom so carefully note which one is the top and bottom. They look very
similar but they are slightly different. Each plate is held in place by 6 small Philips type screws.
Open the cuvette head to maximum position and using a long, thin Philips screwdriver, remove the top
and bottom head plates.
To ensure an air-tight seal, we recommend putting a slight smear of silicone grease between the head
plate and cuvette head prior to securing the 6 screws. A slight smear of silicone grease can also be
applied to the leaf gaskets themselves for improved leak tight performance.
Bottom Plate