3. Disassembly of the piston.
Note:
The pistons and cylinders are individually matched, and should
not be interchanged with piston from other instruments!
Hold the housing securely and unscrew the piston seat completely
by turning it to the left (Fig. 1). Carefully pull out the piston
(Fig. 2). Remove the housing.
4. Clean piston and cylinder (Fig. 3).
If necessary carefully remove deposits at the edge of the glass
cylinder.
5. Rinse the piston and cylinder with deionized water, and dry them
carefully.
6. Reassemble the housing and then insert the piston completely into
the cylinder and then reassemble the instrument.
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