
Cleaning Air Box
Maintenance and cleaning
5 - 1
ba75731e02
02/2008
5
Maintenance and cleaning
5.1
Maintenance
5.1.1
General maintenance instructions
Warning
Risk of injury by rotating parts inside the enclosure.
While the pump is running there is risk of injury for the fingers and
risk of hair and loose clothing being drawn in at the blower wheel.
Before opening the enclosure, disconnect the Cleaning Air Box
from the power supply and secure it against being switched on
inadvertently.
Warning
Mortal danger due to live electrical wires inside the enclosure.
Before opening the enclosure, disconnect the
Cleaning Air Box from the power supply and secure it against
being switched on inadvertently.
Maintenance plan
Note
Depending on environmental conditions (e.g. dust in the air, high
temperatures), the maintenance intervals can vary.
5.1.2
Exchange of the pump membrane and valve plates
Note
This exchange can be carried out without problems by technically
versed laypersons. If you wish, however, the WTW service personnel
to carry out the exchange, please contact WTW.
Note
Ordering information on pump spare parts is given in
chapter 6 R
EPLACEMENT
PARTS
AND
ACCESSORIES
.
Maintenance activity
Recommended maintenance
interval
Visual check of all hoses and
hose connections
monthly
Exchange of the intake air filter
yearly
Exchange of the pump
membrane and valve plates
(see section 5.1.2)
every 5000 operating hours or
every 5 years