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11
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• If the pump capacity lessens clean
suction strainer and filter cartridge (if
installed), replace if necessary.
7.2 Danger of freezing
A
Caution!
Frost damages the pump and
accessories, as both always contain
water!
• When there is danger of freezing,
dismount equipment and accesso-
ries and store at a freeze-proof loca-
tion (see below).
7.3 Equipment dismounting
and storing
1. Switch equipment OFF and unplug.
2. Open pressure line (open tap or
spray nozzle) and drain water com-
pletely.
3. Drain pump completely; to do so
remove the drain plug from the
pump
4. Disconnect suction and pressure
lines from the equipment.
5. Store equipment in a frost-free
space (at least 5 °C).
A
Danger!
Prior to all servicing:
− Switch Off.
− Unplug.
− Ensure that pressure is relieved
from equipment and connected
accessories.
8.1 Fault finding
Pump does not run:
• No mains voltage.
− Check cables, plug, outlet and
mains fuse.
• Mains voltage too low.
− Use only extension cables with
sufficient lead cross section (see
"Technical Specifications").
• Motor overheated, motor protection
relay tripped.
− After cooling off the pump will
switch ON again.
− Ensure sufficient ventilation, keep
vent slots clear.
− Observe max. temperature of the
pumped medium.
• Motor hums but does not start.
− With the motor switched OFF, put
screwdriver or similar through the
fan cover's vent slots and turn the
fan.
• Pump blocked or out of order.
− Disassemble pump and clean.
− Clean diffusor, replace if neces-
sary.
− Clean impeller, replace if neces-
sary.
Pump does not prime correctly or
runs very noisily:
• Lack of water.
− Ensure there is a sufficient water
supply.
• Suction line leaky.
− Seal suction line, tighten screw
fittings.
• Suction head too high.
− Observe max. suction head.
− Install check valve, fill suction line
with water.
• Suction strainer (accessory)
blocked.
− Clean, replace if necessary.
• Check valve (accessory) blocked.
− Clean, replace if necessary.
• Water leaks between motor and
pump, Duocone seal worn.
− Replace Duocone seal.
• Pump blocked or out of order.
− see above.
Pressure too low:
• Suction line leaky or too much suc-
tion head.
− see above.
• Pump blocked or out of order.
− see above.
A
Danger!
Repairs to electric tools must
only be carried out by a qualified
electrician!
Electric tools in need of repair can be
sent to an authorised service center in
your country. See spare parts list for
address.
Please attach a description of the fault to
the electric tool.
For shipping:
• Drain pump completely (see "Equip-
ment dismounting and storing").
• Ship equipment in original packing,
if possible.
The packaging of the pump can be
100 % recycled.
Worn out power tools and accessories
contain considerable amounts of valua-
ble raw and plastic materials, which can
be recycled.
These instructions are printed on chlo-
rine-free bleached paper.
For this equipment the following acces-
sories are available at specialist dealers.
3
Note:
Illustrations and stock numbers
can be found at the end of these instruc-
tions.
A Pump Installation Package,
complete with double nipple, check
valve, filter short, washable filter
cartridge, spiral hose assembly
1 m, thread sealing tape.
B Hydromat HM 1,
for automatic starting when water is
drawn and stopping when no water
is drawn, keeps the pump from run-
ning dry.
C Hydrostop,
for automatic stopping when there
is a lack of water, prevents the
pump from running dry.
D Dry-running Stop Switch,
with 10 m cable, keeps the pump
from running dry when pumping
from tank, pool, etc.
E Spiral Hose 1"
1) 1 m assembly, with quick
release screw fitting at both
ends;
2) 4 m, complete with quick
release screw fitting and
strainer with foot valve;
3) 7 m, complete with quick
release screw fitting and
strainer with foot valve.
F Filter, 1" connection, short,
complete with washable plastic fil-
ter cartridge.
G Disposable Filter Cartridge, short,
for mechanical preliminary filtering
of sand.
H Washable Filter cartridge, short,
for mechanical preliminary filtering
of sand, reusable.
I Activated Carbon Filter Cartridge,
short,
for use with chlorous water,
removes odours or discolouring.
J Filter Cartridge Poly, short,
filled with polyphosphate, for calcif-
erous water supplied to water heat-
ers.
K Pipe Nipple 150 mm, 1" male at
both ends, galvanized, to connect
pump and filter.
L Double Nipple, 1" male at boths
ends.
M Check Valve 1" female, prevents
water backflow and pump running
dry.
N Thread Sealing Tape, 12 m roll.
8. Trouble Shooting
9. Repairs
10. Environmental Protection
11. Available Accessories