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3.
Loosen the two nuts (28) and lift out the ledge (29) with the longitudinal
holes.
4.
Remove the ultra-fine filter (31).
Caution
No dust may be present on the sealing surfaces (24) or in the air intake
chamber (32), as the dust may damage the vacuum motor (23).
The air intake chamber (32) and sealing surfaces (24) must be cleaned by
vacuuming. Do not use pressurized air.
5.
Insert the cleaned or new ultra-fine filter (31).
6.
Slide the ledge (29) onto the threaded pins from above.
7.
Tighten the two M6 nuts (28) firmly and equally.
8.
Tightly screw the mounting cover (5) into place using the two thumb screws
(6).
9.
Check the filtration module (see Section 3.1).
Fig. 6: Changing the ultra-fine filter
4.4 "Service" indicator
(see Fig. 3 on page 5).
If the "Service" indicator is lit, the vacuum motor (23) needs replacing.
The vacuum motors must be checked – and if necessary replaced – by a
specialist.
Note
Follow the "CERCON CLEAN single-user vacuum-cleaner unit
troubleshooting checklist" during all maintenance and service work.
11/15
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