salmson Mini-SVO204 M Serie Manual Del Usuario página 11

8. Service
DANGER! Pull the mains plug before checking the
pump!
No special servicing while the pump runs but
cleaning the impeller and draining the oil can be
necessary.
Proceed as follow:
– Separate the pump from the discharge pipe,
– Lift the pump and wash it carefully with clean
water before touching it (bear in mind the risk of
infection).
9. Problems, Causes and Remedies
Problems
The pump fails to start
The pump fails to deliver
or delivers too little
The pump trips out
Water in oil
If the fault cannot be remedied, please
contact your plumbing and heating
specialist or your nearest Salmson
customer services or representative.
Subject to technical alterations!
SALMSON 10/2013
Cleaning of the impeller:
– Turn the pump upside down, remove the 3
screws of the feet, remove the feet and disman-
tle the cover.
– Avoid removing the impeller for cleaning.
Drain the motor oil:
– Place the pump horizontally,
– Remove the plug A and its seal (Fig. 3, pos. A),
– Drain the oil in a transparent receptacle,
– Check the oil: A possible presence of water
means that the mechanical seal is in bad state
and must be replaced.
Oil Quality: "MOBIL DTE Oil Medium" or similar.
Quantity: about 0.6 litre.
Causes
No current
Winding or cable open-circuit
Rotor blocked (the motor "growls")
Discharge pipe obstructed
Impeller obstructed by particles
The check-valve is mounted upside
down
Faulty electrical installation
Pump blocked
The pump is hard to turn
The mechanical seals is in poor condition Let the Salmson after-sales service
Remedies
Check the line
Replace the fuses if necessary.
Close the overload release or the switch
of the control box
Check the resistances between the cable
ends; if necessary replace the cable.
Attention: in case of replacing, reconnect
correctly the supply wires according to
the colours
Dismantle the impeller and clean it
Remove the pipe and clean it
See 9.1-c
Check the direction of fitting
Check the whole electrical installation
See 9.1-c
See 9.1-c
replace the mechanical seal
English
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