Gardena Classic 3500/4E Betriebsanleitung - Seite 8
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Clean built-in filter:
ß
A
9
e
w
Cleaning the check valve:
r
t
Art. no. 1757
7. Troubleshooting
1. Change the switch
2. Disconnect mains plug.
3. If necessary, close all the
shut-off devices on the intake
side.
4. Unscrew the lid
chamber with the spanner
provided.
5. Draw out filter unit
vertically upwards.
w
6. Hold cup
e
filter
anti-clockwise 1 and
draw out 2 (bayonet fitting).
q
w
7. Hold cup
e. g. with a soft brush.
8. Refit filter again in reverse order.
9. Switch Electronic Pressure Pump on again (see 4. Operation).
1. Change the switch
2. Disconnect mains plug.
3. If necessary, close all valves
on the intake side.
4. Open all pressure side outlets,
so that the pressure side is
depressurised. Afterwards,
close the tapping points again
q
in order to prevent the con-
nected lines running empty via
the Electronic Pressure Pump.
5. Screw out the cover
check valve using a suitable
tool.
6. Remove the valve body
wash it under running water.
7. Refit check valve again in reverse order.
8. Verify that the check valve is able to move freely.
9. Switch Electronic Pressure Pump on again (see 4. Operation).
CAUTION!
Do not operate the pump without the check valve.
DANGER! Electric shock!
v Unplug the cable at the mains before
troubleshooting.
Work on the electrical parts must only be carried out
by GARDENA Service Centres.
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to O.
9
of the filter
ß
A
w e
w
firmly, turn
under running water and clean the filter
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to O.
r
t
r
of the
Art. no. 1758
t
and
2
e
1
e
q
21