Maintenance
Do a check of the filter purge function.
Do a check of the wheels. Look for
damage and bad connections.
Do a check of the filter seals.
Do the filter purge procedure. If the
suction continues to be not sufficient,
clean the prefilter with water. Refer to
To clean the prefilter with water on page
20 .
Replace the cleaned prefilter if the suc-
tion continues to be not sufficient. Refer
To replace the prefilter on page 21 .
to
Replace the HEPA filter.
Replace the dust release rubber cone.
Replace the filter cleaning rubber parts.
To do a check of the functions of the
control panel
1. Start the product. Refer to
110/DE 120 on page 17 .
2. Push and hold the On/Off button. Refer to
of the control panel on page 16
3. Make sure that the product stops and that the green
LED goes off.
To clean the product
Operation can cause contamination on all parts of the
product and all used equipment. Thus it is necessary to
clean all parts of the product and all used equipment
fully and carefully.
WARNING:
the product from the power supply.
WARNING:
product before it is moved from the work
area. Remaining dust on the product can go
into the air and cause a health risk.
•
Use personal protective equipment. Refer to
Personal protective equipment on page 12 .
•
Do not clean the product with a high-pressure
washer or compressed air.
•
Clean the external surface with a moist cloth.
•
Do not use water on electrical components.
20
Before
each use
To start and stop DE
Functions
Disconnect
Clean the
Daily
Weekly
suction is
X
X
X
•
Clean the filters as given in
HEPA filter on page 21 .
•
After servicing, put discarded parts in plastic bags.
Refer to local regulations for the correct procedure.
•
If you use water to clean the product, remove the
prefilter and the Longopac before you clean. Also
make sure that no water goes into the HEPA filter.
To clean the prefilter with water
CAUTION:
washer or compressed air to clean the
prefilter. Do not hit the prefilter with force to
clean it.
CAUTION:
sunlight. The seals will dry out.
Note:
To clean the with water will gradually decrease
the efficiency of the filter.
1. Loosen the cover locks (A) and open the prefilter
cover (B). (Fig. 28)
2. Remove the prefilter. (Fig. 29)
3. Clean the prefilter with running water from the inner
surface of the prefilter. (Fig. 30)
CAUTION:
must not be higher than 4 bars.
When
Each 6
months or
months or
low
600 h
X
X
X
X
# and To replace the
Do not use a high-pressure
Do not let it dry in full
The water pressure
1587 - 007 - 24.01.2022
Each 12
2000 h
X
X
X