Faults, Causes And Remedies; Spare Parts - salmson SIL Serie Instalacion Y Puesta En Servicio

English
10

Faults, causes and remedies

Fault
Pump does not start
or stops working
Pump runs at reduced
performance
Pump making noises
Table 6: Faults, causes, remedies
11

Spare parts

54
Have faults remedied by qualified personnel only! Observe the
safety instructions in chapter 9 "Maintenance" on page 49.
• If the malfunction cannot be rectified, consult a specialist techni-
cian or the nearest customer service or representative office
Cause
Pump blocked
Cable terminal loose
Fuses defective
Motor damaged
Motor protection switch has
triggered
Motor protection switch set
incorrectly
Motor protection switch
affected by excessive ambient
temperature
PTC thermistor tripping unit
has triggered
Incorrect direction of rotation
Stop valve on the pressure side
throttled
Speed too slow
Air in the inlet pipe
Cavitation due to insufficient
supply pressure
Motor has bearing damage
Impeller grinding
Spare parts may be ordered via a local specialist and/or Salmson cus-
tomer service.
To avoid queries and incorrect orders, all data from the rating plate of
the pump and the motor must be specified with every order.
CAUTION! Risk of property damage!
Trouble-free pump operation can only be guaranteed when
original spare parts are used.
• Use only genuine Salmson spare parts.
• Each component is identified in the table below.
Information to be provided when ordering spare parts:
• Spare part number
• Name/description of the spare part
• All data on the pump and motor rating plate
NOTE
For all installation work, the forked spacer is required for setting
the correct impeller position in the pump housing!
Remedy
Disconnect motor from power supply, remove cause of
blockage; if motor blocked: Overhaul/replace motor/motor
impeller unit
Check all cable connections
Check fuses; replace faulty fuses
Have the motor checked by Salmson customer service or
a specialised service centre and serviced if necessary
Throttle the pump to the rated volume flow on the pressure
side
Set the motor protection switch to the correct rated current
(see the rating plate)
Move the motor protection switch or protect it using heat
insulation
Check the motor and fan cover for contaminants and clean if
necessary, check ambient temperature and ensure an ambi-
ent temperature of 40 °C by forced venting if necessary
Check direction of rotation, change if necessary
Slowly open the stop valve
Remedy incorrect terminal bridging (Y instead of )
Repair leaks on flanges, vent the pump, change the
mechanical seal in case of visible leakage
Increase supply pressure, observe minimum pressure at the
suction port, check slide valve and filter on the suction side
and clean if need be
Have the pump checked by Salmson customer service or
a specialised service centre and repaired if necessary
Check faces and centrings and between lanterns and motor
and lantern and pump housing, clean if necessary.
Check the coupling and shaft sliding surfaces.
If necessary, clean and lightly oil them.
Salmson 11/2017