Clean The Pump Pistons - Gilson PLC 2050 User Manual

Clean the Pump Pistons

1. follow steps 1 through 8 in
2. thoroughly clean the piston rods with a lint-free cloth and alcohol.
3. follow the steps 17 through 21 in
discs and pump heads.
Connect the Inlet and Outlet Tubing for the Cleaning Discs
the high pressure heads incorporate a piston washing device called cleaning discs. these are
typically used when aqueous buffers are pumped and function to manually wash the buffers
from the back of the seals and to prevent early wear of these seals.
1. fit the 1/8" PeeK nuts and etfe ferrules (supplied) onto suitable lengths of wide bore 1/8"
Ptfe tubing.
2. Screw the fittings into the cleaning discs inlet and outlet at the back of the high pressure
heads. Both connections are interchangeable, choose one for the inlet, and the other for
the outlet.
3. Connect the cleaning discs inlet tubing to a dedicated device (a combination syringe with
Luer or another external pumping system).
4. Put the cleaning discs outlet tubing into a waste container.
Figure 67
Piston Cleaning
remove the pump head and the Cleaning disc
replace the Seal
inlet and outlet
for Cleaning Discs
on page 64 to reinstall the cleaning
PLC PURIFICATION SYSTEMS | uSer'S GuiDe
on page 62.
67