User guide

75
Leica ASP200 S
7.1.2 Paraffin cleaning
It is possible to clean used paraffin of solvent
residues (xylene) in the Leica ASP200 S.
To do so, select the paraffin bath for which the
paraffin should be cleaned in the CLEANING
PROGRAMS menu.
If the last reagent in the retort is not compatible
with paraffin, carry out a retort cleaning first.
The following steps are taken during the paraffin
cleaning:
• Theparaffinispumpedintotheretort.
• Thereitisheatedtothehighestpossibletem-
perature.
• Theretortisputundervacuum,causingthe
solvent vapors to be drawn out of the paraffin.
The duration of the paraffin cleaning process is
programmable.
To do so, follow these steps:
• InthePROGRAMS menu, select the PARAFFIN
CLEANING line and press the EDIT button.
• Intheentrywindow,specifythedurationfor
the cleaning program.
The recommended time frame is one hour.
• ConfirmthetimespecificationwithOK.
Fig. 82
Fig. 83
7. Cleaning and Maintenance