Troubleshooting - Bertolini C 300 Serie Manual De Usuario

FAULT
When starting the pump
does not supply water and
does not make any noise
The pump is noisy and
beats improperly
Vibrations or strokes on the
pipeline
The pump normally runs,
but does not achieve the
indicated performance
The pump is noisy and
overheat
Water dripping below the
pump
Oil dripping
The pressure gauge shows
irregular oscillations at high
pressure with open lance

8- TROUBLESHOOTING

CAUSE
Not enough water capacity in the inlet
circuit
Blocked valves
The outlet line is closed and does not
allow the air in the head to come out
Pump is sucking air
Inlet circuit of improper size
Jammed or worn valves
Worn high pressure seals
Malfunctioning of the pressure regula-
tor
Problems with driving
The number of revolutions is higher
than the value indicated on the label
Air intake
Malfunctioning of the pressure regula-
tor
The pressure regulator by-pass line is
undersized or obstructed
Blocked valves
Inlet circuit of improper size
Malfunctioning or not adjusted pres-
sure regulator
Nozzle of improper size or worn
Worn plunger seals
Worn check valves
The number of revolutions is lower than
the value indicated on the label
Excessive temperature of liquid
The working pressure is higher than the
one indicated in the label
The number of revolutions is higher
than the value indicated on the label
Excessive strain of the belts
Oil not at its level, contaminated or ex-
hausted
Worn bearings
Worn Packings
Worn 0-Ring plunger retainer
Worn Oil seal
Valve with impurities
Worn Plunger seal
Worn Check valves
REMEDY
Check the circuit and water level in the
reservoir.
Check and replace if necessary.
Drain the outlet line until the water regu-
larly comes out
Check suction circuit and possible air
ingress
Check the correct size of the inlet circuit.
Check the filter cleaning
Check and if necessary replace
Check alignment, gaps, calibration.
Restore the proper number of revolu-
tions
Check the suction circuit and possible
air ingress
Check and if necessary replace.
Check the correct sizes
Check and/or replace if necessary..
Check the correct size of the inlet circuit.
Check the filter cleaning
Check and/or replace if necessary
Restore the proper number of revolu-
tions
Reduce the water temperature
Restore the proper values
Check, fill or change if necessary.
Replace
Check and/or replace
Check and/or replace
Check and/or replace
Clean the valve and lubricate the parts
with grease
Check and/or replace
Check and/or replace
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