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Maintenance
• The hydro-pneumatic equipment does not require
maintenance only if the following caution measures are
followed:
• When there is risk of freezing, empty the pump
completely removing the suction pipe (B). Remember to
purge the pump before starting it again.
• Check periodically the foot-valve (not included) and
clean it if necessary.
• If the hydro-pneumatic equipment will be inactive long
periods of time is advisable to empty the pump completely
and rinse with clean water.
• If the pump shaft is not turning freely use a screwdriver to
release it. Insert it in the orifice placed in the back of the pum
(C).
WARNING
Disconnect the hydro pneumatic
equipment from the energy supply before carrying out
maintenance works.
Troubleshooting
Problem
Cause
The motor does not
• There is no energy.
start.
• The driver is stuck.
The motor turns
• The foot-valve filter is clogged.
without pumping
• Excessive suction height.
water.
• Air in the admission.
Insufficient flow speed.
• The suction height is in the limit.
• The foot-valve filter is partially
clogged.
The thermal overload
• The motor is overheated.
protector in the motor
• The driver is stuck.
was activated.
B
Solution
• Check the connections and voltage values.
• Free it with a screwdriver (see page 8).
• Clean the filter.
• Diminish the suction pipe length.
• Check if the suction pipe is hermetic. Double-check the
foot-valve is submerged at least 20".
It is necessary to purge the pump again (see page 8).
Check the suction height.
• Diminish the suction pipe length.
• Clean the foot-valve and the complete suction pipe if
necessary.
• Check voltage and ventilation.
• Free it with a screwdriver (see page 8).
C
ENGLISH
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