DROPSA 3414000 Kullanım ve Bakım Kılavuzu - Sayfa 4

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7. PUMP OPERATIONS

After installing the pump, adjust driving air pressure.

7.1 Prior to pump start-up

Verify the unit is undamaged.



Check that pneumatic and electric connections (IEC 64/8, IEC 364) have been carefully carried out.



Refill the reservoir with compatible lubricant.

Verify operating temperature [MIN temperature: -5°C (+23°F)].



7.2 Pump start-up



Verify piping are air-bubble-free.

Verify that lubrication is correctly carried out.



8. TROUBLESHOOTING

WARNING: The unit can only be opened and repaired by authorized Dropsa personnel.

The following diagnostic table indicates the main anomalies which may be encountered, the probable causes and possible

solutions. If you cannot solve the problem, do not attempt to disassemble parts of the machine but contact the Eng.

Dept. of DROPSA S.p.A.

ANOMALY

Lubricant is not

delivered by pump at all

or in the required

quantity

Lubricant is not

delivered by pump at

the required pressure

9. MAINTENANCE PROCEDURE

Pneumatic-driven Pump, Series 3414.... require only minimal maintenance.

To facilitate maintenance, it is suggested to install the pump in an easily accessible location (see paragraph 6.2).

Machine does not require any special tool for checking or maintenance tasks. However, it is recommended the use only

of appropriate and in good conditions tooling, protective devices (gloves) and clothing to avoid hazards to equipment

or persons.

CAUTION!

Prior to any maintenance and cleaning task, discharge pressure from pump and from the respective

connected piping.

9.1 How to disassemble the pump

Empty the reservoir;

Disconnect the piping;

Unscrew the fixing screws;

Remove the reservoir;

Remove the pump and the provided filters;

Unscrew the pneumaticcylinder from pump;

Remove all the other components.

PROBABLE CAUSE

Lubricant is below the MIN. level

Solenoid valve does not discharge

Loosened pipe fitting

Incorrect regulation of driving air

SOLUTION

Refill the reservoir with impurity-free lubricant.

Do not exceed the MAX level indicator

Verify that solenoid valve is 3-way.

also, that air is properly discharged from pump

chamber.

Carefully retighten pipe fitting. Be sure there are

no lubricant leakages.

Regulate driving air according to the technical

characteristics (see ch. 4)

Verify,