Operating faults
Troubleshooting possible faults
2007-9015-001
03-2014
8.3
Troubleshooting possible faults
Futuro pump
Symptom
Possible cause
Remedy
Pump is not running.
Power supply has been
disconnected to the hydraulic
power unit.
Check all circuit breakers and fuses
Check that all wire connections are
correct and tight.
Hydraulic power unit fluid level is
low.
Ensure the oil reservoir of the
hydraulic power unit is 2/3 full;
Pump is running but
not moving any slurry
or only a reduced
flow of slurry.
Guillotine valve is closed
completely or partially.
Open the intake and the discharge
guillotine valves;
Lock the levers in the open
position;
Evacuation line is clogged
Flush the evacuation line
Suction line clogged
Flush the suction line
Intake and or discharge flapper
valve not opening and closing
properly
Lubricate the valves.
Inspect the rubber seal on the
flapper valves.
Inspect the evacuation chamber for
obstructions
Inspect the discharge valve spring
Hydraulic power unit fluid level is
low.
Ensure the oil reservoir of the
hydraulic power unit is 2/3 full;
Hydraulic power unit fluid is dirty.
Change the fluid in the reservoir.
Piston seal is not lubricated.
Lubricate the piston
Refer to section on Scheduled
Maintenances responsibilities.
Adjustable finger is out of
adjustment, not allowing a full
piston stroke.
Reset the adjustable finger.
Refer to section on Checks before
initial commissioning.
Reversing valve is sticking.
Clean and lubricate the reversing
valve.
Slurry consistency is too great.
Check the consistency
Refer to section on performance
data.