Manual Metabo HWW 3000-20G (page 12 of 49) (English, German, Dutch, Danish, French, Spanish)

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ENGLISH

x Before each use check the pump,

especially the power cable and plug

for possible damage. Risk of fatal

electric shock!

x A damaged pump must be work-

manlike repaired before it can be

used again.

x Do not attempt to repair the pump

yourself! Only trained specialists are

permitted to service or repair pumps

or pressure vessels.

The pump is easily assembled and con-

nected.

If in doubt, contact your specialist sup-

plier or a qualified electrician.

5.1 Installation

 The pump must be placed on a

plane and level surface, suitable of

bearing the weight of the pump fully

filled with water.

 To avoid vibrations the pump should

be placed on an elastic base.

 The installation location should be

well vented and protected from

atmospheric exposure.

 When operated at garden ponds

and pools the pump must be set up

safe against flooding and safe-

garded against falling into the water.

Any additional legal requirements

are to be observed.

5.2 Connecting the Suction

Line

Note:

Possibly further accessories may

be required for connection (see "Availa-

ble Accessories").

Caution!

The suction line needs to be

installed in such manner that it does

not exert mechanical force or distor-

tion to the pump.

Caution!

When pumping contaminated

fluids install a suction strainer to pro-

tect the pump from sand and dirt.

Note:

A check valve is recommended to

prevent water backflow when the pump

is turned off.

 All screw fittings must be sealed

with thread sealing tape; leaks

cause the priming of air, which

reduces or completely prevents the

priming of water.

 The suction line should have an

inner diameter of 1" (25 mm) mini-

mum and must be kink and vacuum

resistent.

 Keep suction line as short as practi-

cal, as with increasing length the

pump capacity is reduced.

 The suction line should ascend

towards the pump to prevent air

locks.

 A sufficient water supply must be

ensured, the foot valve at the end of

the suction line must be submerged

in water at all times.

5.3 Discharge Port

Note:

Possibly further accessories may

be required for connection (see "Availa-

ble Accessories").

Caution!

The discharge (or pressure)

line needs to be installed in such

manner that it does not exert mechan-

ical force or distortion to the pump.

 All screw fittings should be sealed

with thread sealing tape to prevent

leakage.

 All parts of the pressure line must be

resistant to internal pressure.

 All parts of the pressure line must be

installed in a workmanlike manner.

Danger!

Improper installation and use

of parts not resistant to internal pres-

sure can cause the pressure line to

break during operation. Risk of per-

sonal injury by liquid spurting from

the line under high pressure!

5.4 Connection to a Pipe

System

A stationary installation (e.g. in an indoor

domestic water system) is also possible.

 To reduce vibrations and noises the

pump should be connected to the

pipe system with flexible tubing.

5.5 Connection to AC Power

Danger! Risk of electric shock!

Do not operate the pump in wet

environment and only under the fol-

lowing conditions:

 Connect only to an earthed outlet

that is properly installed, earthed

and tested.

 Mains voltage and fuse protection

must correspond with the

requirement stated in the "Tech-

nical Specications".

 When operated at pools, garden

ponds and similar locations, the

pump must be protected by a

residual current operated device

(RCD, 30 mA) (DIN VDE 0100 -702,

-738 or equivalent applicable

local regulations).

We recommend the use of RCD's

as a general precaution for per-

sonal protection.

 When operating the pump out-

doors the electrical connections

must be splash-proof; the con-

nections must not be placed into

water.

 Use only extension cables of suf-

ficient lead cross section (see

"Technical Specifications"). Com-

pletely unroll cable reels.

5.6 Filling the pump and

priming

Caution!

After installation, loss of water

or priming of air the pump needs to

be filled with water. Starting the pump

without water causes damage!

Note:

The suction line does not need to

be filled, the pump is self-priming. How-

ever, depending on length and diameter

of the suction line it may take some time

until pressure has built up.

1. Remove the water filler plug, com-

plete with gasket.

2. Slowly pour in clear water, until the

pump is filled.

3. To reduce the time needed for prim-

ing you can also fill the suction line.

4. Replace the water filler plug, com-

plete with gasket.

5. Open pressure line (open tap or

spray nozzle) for any air to escape

during priming.

6. Start pump (see "Operation").

7. Turn pump OFF when water runs

out steadily.

Pump and suction line must be con-

nected and filled (see "Prior to Opera-

tion").

Caution!

The pump must not run dry.

Ensure there is always sufficient

pumping medium (water) available.

x If the motor does not start, no pres-

sure is built up or similar effects are

evident, switch the pump OFF – and

try to resolve the fault (see "Trouble

Shooting").

Pump characteristic curve

The pump characteristic curve shows

which pump capacity is possible in

dependance on the delivery head.

5. Prior to Operation

6. Operation

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Metabo HWW 3000-20G Manual

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