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8. PROBLEMS AND SOLUTIONS
TROUBLESHOOTING TABLE
PROBLEM
POSSIBLE CAUSE
REMEDIAL ACTION
The modular valve
doesn’t invert
Piston jammed
Verify correct sliding of piston
Possible replacement valve
The modular valve has reached the maximum
pressure level
Adjust the pressure to a maximum of 400 bar (5880 psi)
Important lubricant leakage from one of the four
connection pipes
Verify piping status and the connections to fittings.
Replace worn out pipelines
Gasket broken
Replace
Valve leaks
lubricant
Breaking of internal gaskets
Replace
:
Operations by specialized Dropsa personnel (ship the product to Dropsa headquarters)
9. MAINTENANCE PROCEDURE
The product does not necessitate any special tool for operation and maintenance. When working with the pump it is
nonetheless recommended that personal health and safety equipment is used as is normal for any operation in an industrial or
similar workplace.
The pump has been designed and built as to require minimal maintenance and operate in different and challenging operating
environment. It is recommend that the unit is inspected and kept clean to ensure long life and trouble free operation. It is
important to check all tubing on the system to ensure that it is always tight and leak free.
ITEM
FREQUENCY
OPERATION
Integrity of tubing and system
After initial 500 hours.
Every1500 hours.
Check fittings and tubing secured.
Verify components are correctly fixed to machine.
In any doubts and/or problematic not solved, do not proceed to search by removing machine parts but contact our technical office
10. DISPOSAL
During maintenance or disposal of the machine care should be taken to properly dispose of environmentally sensitive items such
as oils or other lubricants. Refer to local regulations in force in your area. When disposing of this unit, it is important to ensure
that the identification label and all the other relative documents are also destroyed.
WARNING: Before carrying out any maintenance operation, ensure that power and hydraulic system are
disconnected.
