BUCHI Extraction System B-811 LSV - Manual (Page 45)

7 Maintenance and repairs
45 B-811 Operation Manual, Version G
7 .4 Magnetic glass valve
5
1 3
4
2
6
a Cover cap
b Glass valve
c Valve housing
d Anchor
e Spring
f Inductor coil
Fig. 7.1: Exploded view of the glass valve
Insert the spring • e into the anchor d.
Screw the valve housing • c and the magnetic valve together f.
Push the valve onto the glass part • b.
Screw the cover • a on and tighten slightly.
7 .5 Membrane assembly
Insert anchor with membrane at an angle into •
valve housing
Guide entirely through opening by pressing
•
slightly with circular movements.
Fig. 7.2: Membrane assembly
7 .6 Heating elements
The heating elements should be cleaned regularly after they have cooled down. Remove dirt adhering
to the plate with e.g. ethanol. Then clean the plate with a moist cloth and dry it.
ATTENTION
Never use scratching sponges, cleaning pads or cleaner containing abrasives to clean the heating
elements as they might damage the surface.