16
GB
Flushing the Pump :
Cleaning the suction
base and impeller :
6. Maintenance
The pumps are virtually maintenance-free.
After having pumped chlorinated swimming pool water or other
liquids leaving residues, the pump should be rinsed with clear
water.
Warning ! Electric shock !
A
Risk of injury due to electric shock.
V
Disconnect the pump from the mains before
cleaning the suction base and impeller.
1. Only for Submersible Pump 7000 : Unscrew the Phillips
screw
A
and pull the suction base cover
0
off the suction
base
6
.
2. Unscrew the 6 Phillips screws
8
(Dirty Water Pump 7500: 4
Phillips screws)and pull the suction base
6
off the pump.
3. Clean suction base
6
and impeller
9
.
4. Reinstall the suction base
6
and screw in the Phillips screws
8
.
5. Only for Submersible Pump 7000 : Insert the suction base
cover
0
into the suction base
6
and screw in the Phillips
screw
A
.
Note for Submersible Pump 7000:
It is often sufficient to simply remove the suction base cover
0
and clean the suction base cover
0
and suction base
6
.
For safety reasons a damaged impeller
9
can only be
exchanged by the GARDENA Service Centre.
7. Troubleshooting
Problem
Probable cause
Remedy
Pump is running,
Air cannot escape, since
v
Open pressure line
but doesn’t deliver
pressure line is closed.
(e.g. kinked pressure pipe).
Air locks in the suction base.
v
Wait for max. 60 seconds
until the pump deaerates
automatically over the vent
valve. If necessary, switch
off and start it again.
Impeller clogged.
v
Disconnect plug and clean
impeller (see 6. Maintenance).
When starting the pump,
v
Submerge pump deeper.
water height falls below the
min. water level.
Pump doesn’t start or
Thermal overload switch has
v
Disconnect plug and clean
suddenly stops during
switched the pump off due
impeller (see 6. Maintenance).
operation
to overheating.
Observe max. media
temperature of 35 °C.
9
6
0 A
8
9
6
8
1780-20.960.14_22.08.2011_GARDENA.qxp 22.08.2011 09:36 Seite 16