Operating Manual Xenotest
®
220/220+
- 34 -
6
Start up
6.4 Changing optical filters
Inserting optical filters (fig. 23)
XENOCHROME 320 / B04:
1. Clean the filter discs with a dry, soft cloth.
2. Insert the filter discs
1
into the opening
3
of the filter
assembly
2
from above.
3. Push the filter discs into position within the holder until
it stops.
The XENOCHROME 320 and B04 optical filter systems
consist of eleven filter disks. The appropriate filter as
-
sembly is required to accommodate the filter discs.
TM16:
1. Clean the filter discs with a dry, soft cloth.
2. Push the filter discs
1
into the filter assembly guides
from the side.
3. Fix the filter discs with the spring at the top and bottom
edges (cut-outs).
The TM16 optical filter system consists of six filter discs.
The appropriate filter assembly is required to accommo
-
date the filter discs.
Installing/removing the filter assembly
The filter assembly is inserted into the outer cylinder from
above and turned into position.
1. Remove the xenon lamp system (see sect. 6.3).
2. Remove the filter assembly
1
from the outer cylinder
6
.
3. Place the filter assembly
1
into the outer cylinder
6
.
4. Install the xenon lamp system (see sect. 6.3).
Installing/removing the outer cylinder (fig. 24)
Removal:
1. Remove the xenon lamp system (see sect. 6.3).
2. Remove the filter assembly
1
from the outer cylinder
6
.
3. Loosen the four fastening screws
2
of the flange tube.
4. Open the test chamber door and push up the tube
nozzle of the loosened flange tube slightly from the
inside.
5. Remove the outer cylinder
6
.
Installation:
6. Insert the lower sealing ring
5
into the guide groove
and insert the outer cylinder
6
through the test cham-
ber door from the front.
7. Place the upper sealing ring
4
into the tube nozzle
on the outer cylinder.
8. Screw the flange tube tight and make sure the outer
cylinder is centered.
9. Place the filter assembly
1
into the outer cylinder.
10. Install the xenon lamp system (see sect. 6.3).
1
2
3
1
6
5
4
1
2
3
Fig. 23
Fig. 24
