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15
G
Problem Probable cause Remedy
Pump runs, but the suction Air cannot escape, since v Open all possible shut-off
action doesn’t take place. delivery side is closed devices (e.g. spray nozzle)
or remaining water is in the in the pressure line, or drain
pressure hose. the pressure hose or dis-
connect it during the suction
action.
Pump runs when out of water You didn’t fill the pump with v Fill in liquid (see point
but does not start pumping any liquid before operation. “3. Initial Operation”).
when in water
The liquid escapes over 1. Fill up the pump again (see
the hose which is connected point 3. Initial Operation).
to the delivery side during 2. When starting operation
the suction action. hold the pressure hose
approx.1 m vertically above
the pump, until the suction
action has taken place.
Leaky or damaged suction v Seal the connections or
hose. check suction hose for
damages.
Absolutely vacuum-resistant
connection is achieved by using
GARDENA Suction Hoses
(see point “8. Accessories”).
Leaky screw fitting at the filler v Tighten the screw fitting
cap
7
. (do not use pliers).
Air cannot escape, since v Open all possible shut-off
delivery side is closed devices (e.g. spray nozzle)
or remaining water is in the in the pressure line, or drain
pressure hose. the pressure hose or dis-
connect it during the suction
action.
The waiting time wasn’t v Switch on the pump and
observed. wait max. 7 min.
Suction filter or backflow v Clean the filter or the back-
preventer in the suction hose flow preventer.
clogged.
Too high suction height. v Reduce suction height.
In case of any other difficulties concerning the suction action,
use GARDENA Suction Hoses with Backflow Preventer (see point
“8. Accessories”) and fill in the liquid to be pumped over the filler
cap
7
before operation.
The specified maximum Pump is not filled and suction 1. Fill the pump using the filler
self-priming height is not hose is not held upwards. neck until it overflows.
2. Hold the suction hose up-
wards during the self-prim
ing phase so that the liquid
you are going to pump
cannot flow out of the pump
via the suction hose.
14
G
Pumping liquid:
Freeing the impeller:
8
9
5
1m
4. Operation
When setting up the pump for use in water:
v Plug the mains plug of the pump into a 230 V / 50 Hz alternat-
ing current socket.
The pump starts.
When setting up the pump for use out of water
1. Fill the pump to overflowing with approx. 2 l of the liquid
to be pumped (see “3. Initial Operation”,
“Filling the pump”
).
2. Open all possible shut-off devices in the pressure line
(watering accessories, Water Stop, etc.).
3. Drain remaining water in pressure hose so that air can escape
during the suction process.
4. Plug the mains plug of the pump into a 230 V / 50 Hz alternat-
ing current socket.
The pump starts.
5. Hold the hose
5
at the delivery side approx. 1 m vertically
above the pump until the pump begins to pump.
v If the pump has still not started pumping after 7 minutes,
unplug the mains plug (see 6.Trouble Shooting).
When using the pump for pressure intensification, the max. per-
missible internal pressure of 6 bar (on the delivery side) must
not be exceeded.The to be increased delivery pressure and the
pump pressure sum up.
• Example: pressure at the water tap 1.5 bar, max. pressure of
the GARDENA Dual Pump 5000/3 SGP = 3.3 bar, total pres-
sure = 4.8 bar.
5. Maintenance
The GARDENA Dual Pump is virtually maintenance-free.
6. Trouble-Shooting
If the impeller blocks or clogs you can remove the dirt to free
the impeller.
1. Unscrew the screw plug
8
using
a screwdriver.
2. You can now turn the impeller
shaft
9
in the casing using a
screwdriver.
This will free the blocked or clogged
impeller.
3. Replace the screw plug
8
using
a screwdriver.
Starting the pump: