GB
Ama-Drainer 303.2
18
7.4
Dismantling
The unit must only be dismantled by authorised, trained
personnel.
7.5
Reassembly
The unit must only be reassembled by authorised,
trained personnel.
7.6
Spare Parts Stock
It is not recommended to keep spare parts on stock. In
the case of damage please refer to the service centre dir-
ectory attached.
8
Trouble-shooting
In case of working fault, take-off the plug and let the
pump become colder before handling it again.
Faults
Causes
Remedies
-- The pump is running, but does
not deliver or delivers insufficient
fl
t
-- The hydraulic system is clogged
with foreign matter.
-- Clean the hydraulic system with
a water jet (see 6.3).
flow rate.
-- The discharge line is closed.
-- Open the accessories fitted on
the discharge line.
-- The non-return valve is fitted in the
wrong direction of throughflow or
clogged.
-- Reassemble the valve in correct
sequence according to 9.3 and
drawing 2 on page 3 or clean it.
-- The pump does not start up or
only runs for a short time.
-- The pump is switched off by the
thermal motor protection because:
1) the pump is overheated,
-- Check the temperature of the
medium handled.
2) the pump runs dry.
-- Check the minimum flow of the
medium handled.
-- The power supply is interrupted.
-- Check the electrical connec-
tions.
9
Appendix
9.1
Exploded View and List of Components
For exploded view refer to drawing 3 on page 4.
For legend refer to page 5.
9.2
Installation Drawing
For installation drawing refer to drawing 1 on page 3.
9.3
Mounting the Socket and Non-return Valve
For mounting the socket and non-return valve refer to
drawing 2 on page 3.
9.4
Adjusting the Cut-in Level Control
(drawing 4, page 6)
The cut-in level of the pump is preset in the factory and
can be modified as shown in drawing 4.
-- Check the pump’s proper functioning. To do so, oper-
ate the float arm several times. Each time the float
arm is lifted up, you must hear the contact cut in.
-- Reconnect the pump to the electric mains.
9.5
Recycling
Ama-Drainer 303.2 consists of materials that can be sep-
arately recycled.
Plastic components are marked in accordance with
ISO 11 469.
9.6
Safety Standards
The pumps are in accordance with the following Euro-
pean standards:
-- EN 12 050-2
