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Electrolux AR 4090 Operating Instructions Manual page 25

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MAINTENANCE
S31EUK4090SY(2)99-01
Warning: do not put water into the suction
pipe (where the suction filter is mounted).
Warning: the machine must be switched Off
and the battery unplugged.
If the flow of the cleaning solution to the brushes
is not efficient it could be necessary to clean the
electrovalves used for the solution flow control.
To get access to the electrovalves lif the tank
backward.
Diconnect the faston contact from the
electrovalve pin; turn the electrovalve to extract
it.
Make an inspection of the electrovalve and the
relevant support and clean it.
Install again and reconnect the faston contact.
When the suction capability is reduced
disconnect the squeegee and clean the hoses
connecting the squeegee to the tank and the
squeegee itself.
Warning: for any more difficult maintenance
intervention call service assistance.
Make a periodic inspection of the rubber flaps of
the squeegee, to check their wear. The rubber
flaps can be easly replaced unscrewing the fixing
nuts.
The rear rubber can be reversed (top to bottom)
to be used two times before replacement.
23

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