Lukas ZPH 3/4 Manual de usuario descargar pdf (Pagina 16)

NOTE:

In this test, an idle time of approximately 2 minutes needs to be observed and

the hand pump needs to be reloaded to operating pressure.

The resulting max. operating pressure must not drop by more than 5% after

10 seconds.

A test pressure gauge is available from the LUKAS line of accessories.

Perform an operational check of the hand pump at least once a year; in the case of continuous

use, once every half year.

Operational check

• no suspicious noises,

• tests at maximum load.

Execution:

Place the hand pump on a solid base to operate. Then, connect a test manometer to the

supply hose line. Release the pump lever lock and close the discharge valve. Then, the

pressurisation to operating pressure corresponding to the specication on the identication

plate occurs.

10.3 Changingortoppingupthehydraulicuid

The hydraulic uid should be changed if dirty at least once a year. When the hand pump is

operated in an especially dusty environment, we recommend changing the uid at least once

every six months.

ATTENTION!

Add hydraulic uid only if the hand pump is disconnected from the lines or the

equipment operated with the pump is hydraulically depressurised. Otherwise,

after lling the entire hydraulic system could contain more hydraulic uid than

the tank can hold.

Procedure:

1. Open the bleed/ll cap on the tank.

2. Add hydraulic uid until the uid level comes up to 1-2 cm below the top edge of the oil

tank.

3. Bleed the hand pump as described in the chapter "bleeding the pump".

4. Check the uid level again and close the tank again at the correct uid level with the

vent/ll cap on the tank. Should the tank no longer be sufciently full after bleeding, start

the ll procedure again at item 2.

NOTE:

Should the uid level in the tank still not be reached after repeated relling (during

maintenance), we recommend searching for leaks in the hydraulic system.

10.4 Care

If possible, do not store the hand pump in a damp or extremely dusty environment in order

to ensure a long service life. If this is unavoidable, you should perform more frequent

maintenance and/or shield the pump from these effects if possible.

Regularly coat all metal parts with oil to prevent any corrosion.

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Lukas ZPH 3/4 Manual de usuario Pagina 16