Lukas ZPH 3/4 Manual de usuario descargar pdf (Pagina 23)

23

Connected device not

reaching its limit position

Fluid level in the hydraulic

tank too low

Add hydraulic uid up to

max. ll level.

Attention: move the

device back into the

base position before

adding uid!

Usable hydraulic uid

quantity of the pump is

insufcient

Use a different device with

a usable quantity below

the maximum usable

quantity of the pump.

Connected device does

not achieve its power-

related performance data

Max. permissible operating

pressure of the pump is

not reached

Replace pressure

control valve or have

it recalibrated by an

authorised dealer or

directly by LUKAS.

Fluid leaks on the

hydraulic uid tank

(especially at the rell tap)

Due to return ow of the

hydraulic uid from the

device, the maximum ll

quantity of the tank is

exceeded

Reduce hydraulic uid

down to max. ll level.

Seals defective Replace seal.

Hydraulic uid with milky

cloudiness

Water or condensation

water in the system

Perform hydraulic uid

change immediately.

In the case of a

monocoupling system:

Hose lines cannot be

coupled

They are under excessive

pressure (e.g. due to

excessive ambient

temperature)

Open discharge valve and

bleed device.

Coupling defective Coupling should be

replaced immediately.

In the case of a

monocoupling system:

Hose lines frequently

cannot be coupled

Hydraulic uid of the

application situation not

adapted

Hydraulic uid needs

to be changed (see the

chapter “Hydraulic uid

recommendation” for more

information).

Coupling defective Coupling should be

replaced immediately.

In the case of a quick-

disconnect coupling

system: Hose lines cannot

be coupled

System is under pressure Open discharge valve and

bleed device.

Coupling defective Coupling should be

replaced immediately.

In the case of a

monocoupling system:

Leakage at the couplings

Coupling defective Coupling should be

replaced immediately.

Problem Cause Remedy

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