Product Manual

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By-pass valve blocked
Dismantle the valve, clean and/or
replace it.
Air entering the pump or the
suction tubing
Check the seals of the
Connections
A narrowing in the suction tubing
Use tubing suitable for working
under suction pressure
Low rotation speed
Check the voltage at the pump.
Adjust the voltage and/or use
cables of greater cross-section
The suction tubing is resting on
the bottom of the tank
Raise the tubing
Cavitation occurring Reduce suction pressure
Irregular functioning of the
by-pass
Dispense fuel until the air is
purged from the by-pass system
Increased pump noise
Air present in the diesel fuel Verify the suction connection
Leakage from the pump body Seal Damaged Check and replace the seal
J. MAINTENANCE
All models are designed and constructed to require a minimum of maintenance.
In any case always bear in mind the following basic recommendations for a good functioning of the pump:
- On a weekly basis, check that the tubing joints have not loosened, to avoid any leakage.
- On a monthly basis, check the pump body and keep it clean of any impurities.
- On a weekly basis, check and keep clean the line suction filter.
- On a monthly basis, check that the electric power supply cables are in good condition.
- Check on a monthly basis and keep clean the dispensing nozzle provided with all the models. Anyway
keep clean any other final check valve installed.
- Check on a monthly basis and keep the suction filters clean.
K. NOISE LEVEL
Under normal working conditions the noise emission from all models does not exceed the valve of 70 db at a
distance of 1 meter
from the electric pump.
L. DISPOSING OF CONTAMINATED MATERIALS
In the event of maintenance or demolition of the machine, do not disperse contaminated parts into the
environment. Refer to local regulations for their proper disposal.
M. DIAGRAM AND PARTS LIST