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Holmatro HGC S Serie Manual De Instrucciones página 47

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  • ESPAÑOL, página 99
5.5
The plunger extends, but does not retain pressure
/i
Possible cause
One or more of the seals inside the cylinder
leaks.
The connected pump does not work.
One of the joints leaks.
The system is not arranged correctly.
5.6
Oil leaks from the plunger
/i
Possible cause
One or more of the seals inside the cylinder is
worn or damaged.
The cylinder is damaged internally.
The couplers are not connected correctly.
5.7
The plunger does not return, or returns more slowly than
usual
/i
Possible cause
The pressure relief valve on the pump is closed.
The couplers are not connected correctly.
The oil reservoir is full.
An undersize hose restricts the oil flow.
The return spring is weak or broken.
The cylinder is damaged internally.
The air pressure return system does not contain
enough air.
HYDRAULIC CYLINDERS
Solution
Have the cylinder repaired by a Holmatro
Certified Technician.
Inspect the pump.
Have the cylinder repaired by a Holmatro
Certified Technician.
Re-arrange the system. Make sure that all
components are specified for the load.
Solution
Have the cylinder repaired by a Holmatro
Certified Technician.
Have the cylinder repaired by a Holmatro
Certified Technician.
Correctly connect the couplers.
Solution
Open the pressure relief valve on the pump.
Correctly connect the couplers.
Use a pump with a larger oil reservoir.
Use a hose of the correct size.
Have the cylinder repaired by a Holmatro
Certified Technician.
Have the cylinder repaired by a Holmatro
Certified Technician.
Refill the air pressure return system.
Refer to section 6.5.7.
916.000.851_007
EN
47

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