Lukas ZPH 3/4 Manual do Utilizador descarregar pdf (Página 22)

Troubleshooting11.

Problem Cause Remedy

Connected device

does not move, moves

only slowly or moves

intermittently.

Fluid level in the hydraulic

tank too low

Add hydraulic uid up to

max. ll level.

Discharge valve open Close discharge valve.

Hose line not properly

connected or damaged

Check connection of the

hose line and reconnect it

if necessary.

Load on the device

too high

Use a different device.

Air in the hydraulic system Bleed system as described

in the chapter “Bleeding

the pump”.

Defect on the device Heed the specications

of the separate operating

instructions of the

device.

Connected device moves,

but does not hold pressure

or does not render the

specied performance.

Hose line not properly

connected or damaged

Check connection of the

hose line and reconnect it

if necessary.

Leaking seal Locate the leak and have

the hand pump serviced by

an authorised dealer, by

personnel specially trained

by LUKAS or by LUKAS

directly.

Internal leakage of the

pump

Have the hand pump

serviced by an authorised

dealer, by personnel

specially trained by LUKAS

or by LUKAS directly.

Device does not move

back into the starting

position, moves

incompletely back toward

the starting position or

moves more slowly into

the starting position than

normal.

Discharge valve closed Open discharge valve.

Fluid level in the hydraulic

tank too high

Reduce hydraulic uid

down to max. ll level.

Loose hydraulic coupling Check all couplings and

retighten them.

Enclosed air in the system Bleed pump as described

in the chapter “Bleeding

the pump”.

Line length too long Use shorter lines.

Use hydraulic uid with

a different, more suitable

viscosity.

Defect on the device Heed the specications

of the separate operating

instructions of the

device.

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