Maschinenbau
Werkzeuge
Laborgeräte
2
D-LE 255 S/D - 18.07.14 / Vers.: 1
Fig. 17
Inserting the filter bag
2.
Push the new filter bag (11) together with the wire basket (12) into the extraction unit. The filter
bag (10) is fitted tightly to the connection fitting (15) in the filter chamber (20) during this proce-
dure.
3.
Push the plastic fitting (10) firmly against the housing fitting (15).
4.
Remove the cover (2) from the housing (1) and tighten quick-action closures (3).
6.3 Cleaning (replacement) of ultra-fine filter
(See Fig. 2 and 3, Page 5)
Note
Ultra-fine filter new Item No. 42 250
Replacement ultra-fine filter Item No. 42 201
Note
The ultra-fine filter (31) should be removed and dry-cleaned or replaced after approx. ten filter
bag (11)
changes.
We will gladly clean the ultra-fine filter (31) as part of an replacement, using only filters of dust
grade M tested in accordance with DIN EN 335-2-69.
1.
Open the 2x quick-action closures (3) and remove cover (2).
2.
Unscrew knurled-head screws (6) and remove cover plate (5).
3.
Loosen the 2x nuts (28) and lift out the ultra-fine filter retaining strips (29) with slots.
4.
Remove the ultra-fine filter (31).
Caution
The sealing surfaces (24) in the ultra-fine filter chamber (32) should be free of dust, as dust
can damage the vacuum motor (23).
The ultra-fine filter chamber (32) and sealing surfaces (24) should be cleaned by vacuuming.
Compressed air should never be used!!
5.
Insert the cleaned or new ultra-fine filter (31).
6.
Mount the ultra-fine filter retaining strips (29) on the set screws from above.
7.
Tighten the 2x M6 nuts (28) firmly and evenly.
