Gardena 3000/4 - Maintenance; Trouble-Shooting; Free the Impeller

6. Maintenance
The GARDENA Garden Pump is essentially maintenance-free.
Flush through Garden Pump: The pump must be flushed through after discharging chlorinated
swimming pool water.
1. Pump through lukewarm water (max. 35 °C), possibly adding
a mild cleaning agent (e.g. detergent) until the pumped water
runs clear.
2. Remove residuals according to the waste disposal laws
applicable in your area.
7. Trouble-Shooting
DANGER! Electric shock!
Risk of injury due to electric shock.
v Disconnect Garden Pump from the mains before
trouble-shooting.
Free the
impeller:
0
An impeller blocked by dirt can be freed again.
v Turn the impeller bolt
0
using a screwdriver.
This will free the blocked impeller.
Problem Possible Cause Remedy
Pump runs, but the suction
action doesn’t take place
Pump sucks in air at a joint.
v Seal connections on suction
side so are airtight.
Leaky or damaged suction
hose.
v Check suction line for damage
and seal so is airtight.
The pump was not filled with
the liquid to be pumped.
v Fill the pump
(see “4. Operation”).
The liquid escapes over the
hose which is connected to
the delivery side during the
suction action.
1. Fill the pump again
(see “4. Operation”).
2. When starting operation hold
the pressure hose approx.
1m vertically above the
pump, until the suction
action has taken place.
Absolutely vacuum-resistant connection is achieved by using
GARDENA Suction Hoses (see point “8. Available accessories”).
Leaky screw fitting
6
at the filler
cap
7
.
v Check seal (replace if neces-
sary) and tighten connection
securely (do not use pliers).
Air cannot escape, since delivery
side is closed or remaining water
is in the pressure hose.
v Open shut-off valves
(e. g. nozzle) in the delivery
line, empty the delivery hose
or disconnect it from the
pump during priming.
15
GB