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Instruction manual
for use and maintenance of series ELBA
Setting the pace since 1953
ENGLISH
5.5 STOPPING
To stop the ELBA centrifugal pump, stop the engine and disconnect the PTO in order to prevent the accidental
operation of it.
5.6 WASHING THE GEARBOX
At least once a year, wash the gearbox:
1) remove the oil from the gearbox;
2) remove the cover;
3) Wash the box using suitable solvents;
4) res the lubrication oil;
5) replace the cover.
While washing, it is recommended to use gloves, goggles (if using a compressor) and a mask.
6 - MALFUNCTION, FAULT, FAILURE, PROBLEM, CAUSE AND SOLUTION
PROBLEM
CAUSE
SOLUTION
Irregular outflow of sewage from the
supply pipe of the centrifugal pump
The sewage is too thick
Dilute the sewage
Air infiltration
Eliminate infiltration
Irregular outflow of sewage from the
supply pipe of the centrifugal pump
The supply piping is blocked
Remove the obstruction
The gate valve, located on the
centrifugal pump, is closed
Open the gate valve
The mechanical seal of the
centrifugal pump whistles
The mechanical seal is burnt because
of the lack of sewage/liquid
Replace the mechanical seal
The PTO does not rotate
A foreign body is blocking the
centrifuge
Remove the foreign body
The supply pressure of the
centrifugal pump does not reach the
operating values
The impeller blades are worn or
broken
Replace the impeller
Rate of revs is too low
Increase rate of revs
The PTO of the tractor does not
have enough power to reach the
maximum pressure
Increase the power
The diameter of the output hole of
the nozzle of the swivel jet is too
wide
Decrease the diameter of the output
hole
Summary of Contents for ELBA
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