8.Cleaning and maintenance
Universal cassette clamp
60
13
Fig. 63
•Detach cassette clamp (13) for a thorough cleaning, removing all paraffin residues.
•For cleaning, do not use xylene. Use xylene substitutes or paraffin removers such as "Para Gard".
•The cassette clamp (13) can also be placed in an oven heated to a maximum of 65°C, until the liquid wax escapes.
•Remove paraffin residues with a dry cloth.
•After such a cleaning procedure in an oven, always be sure to lubricate the axle and spring of the clamping lever (60) (see also chapter 8.2.3).
8.2 Maintenance
21
22
25 23 24 21
Fig. 64
8.2.1 Replacing fuses
Switch the unit off and unplug it. Use only the supplied replacement fuses. Both fuses must have the same rating (check the imprint!).
•Insert a small screwdriver into the cutout (25) and carefully pry out the insert.
•Remove the voltage selector housing (21) together with the fuses (23).
•Remove the fuses. While doing so, leave the voltage selector switch block (24) in the housing.
•Replace defective fuses and reinstall the voltage selector into the instrument.
•Check that the correct voltage value is displayed in the viewing window (22).
64 | Instruction manual V 1.4 – 02/2007 |