salmson MULTI-HE - Spare Parts

47
English
SALMSON 08/2016
8.3 Other defaults
Other defects, not detected by the converter,
due to the pump.
WARNING! Risk of wound!
The liquid is toxic, corrosive or dangerous for
human being.
• The qualied person in charge of the repairing
must be informed.
• Clean the pump to ensure complete safety of the
operator.
9. Spare parts
Spare parts may be ordered via local approved
technicians and/or the Salmson after-sales ser-
vice.
To avoid any questions or wrong orders, all data
of the name plate should be mentioned when
ordering.
CAUTION! Danger of material damage!
Perfect pump function can only be guaranteed
when original spare parts are used.
• Only use original spare parts.
Subject to technical alterations!
Defaults Possible causes Remedies
The pump is running but no
delivery
The pump does not run quickly enough Check the adequate adjustment of the
requirement (conformity to the setpoint).
The internal parts are obstructed by
particles
Let dismantle the pump and clean it.
Suction pipe is obstructed Clean the pipe.
Air in suction pipe Check tightness of the whole pipe up to
the pump and make it tight.
Suction pressure is too low, it causes
generally cavitation noise
Too high losses of load on suction or
suction head is too high (check the NPSH
of the pump installed and the installa-
tion).
The pump is vibrating Pump is loosed on its foundation Check and tighten completely the nuts
of the stud bolts.
Particles obstructing the pump Have the pump dismantled and clean it.
Difcult rotation of the pump Check the pump turns freely without
abnormal sticking.
No sufcient pressure for the
pump
The motor speed is not high enough Check if the setpoint is correctly adjus-
ted.
The motor is defective Replace it.
Bad lling of the pump Open the venting device and vent until
there are no more air bubbles.
The drain-priming plug is not fully tigh-
tened
Check it and screw it again.
The ow is irregular The suction head (Ha) is not observed Study again the installation conditions
and the recommendations described in
this instruction.
The suction pipe has a lower diameter
than the one of the pump
The suction pipe must have at least the
same diameter as the suction pump port.
The strainer and the suction pipe are
partially obstructed
Remove and clean.
In « Constant pressure » mode, the
pressure sensor is not adequate
Put a sensor with conforming pressure
scale and accuracy, see <chapter 4.4>.
In « Constant pressure » mode, the pump
does not stop if the ow is zero
The non-return valve is not tight Clean it or change it.
The non-return valve is not adequate Replace it by an adequate non-return
valve, see <chapter 4.4>.
The tank has low capacity due to the
installation
Change it or add an other one on the
installation.