Lukas LZR 12-700 EN Manual de usuario descargar pdf (Pagina 12)

11.3.2 Set of identification stickers

All damaged or illegible indentification stickers (Safety instructions, type label a.s.o) have to be

replaced.

Procedure:

Remove damaged stickers and clean surface with acetone • Put on new stickers.

11.3.3 Quick couplers

Quick couplers on the 0,5m hoses have to be replaced when

- external damage can be observed,

- the locking sleeve doesn´work any more,

- oil spill occurs even when the coupling is properly connected.

Remark: Faulty couplers have to be changed completely against genuine LUKAS spares, i.e. it

is not permissible to make any repair work.

The retaining nut on the hoses has to be tightened with a torque of M

= 45 Nm

12 Troubleshooting

If the defects cannot be repaired, contact an authorised LUKAS dealer or the LUKAS service department.

The address:

LUKAS Hydraulik GmbH, Weinstraße 39, D-91058 Erlangen, Pf 2560, D-91013 Erlangen, service phone

09131/698 348; fax 09131/698 353.

Trouble Check Cause Remedy

Hoses cannot be Pressurized Relieve pump pressure

coupled

On actuating pistons Hoses correctly Air in the hydraulic Thoroughly vent pump

move slowly or by connected power system unit: see 8.1.1

jerks pack operating

No pressure build-up Not enough oil in hand Refill oil and vent the

resp. motor pump. system (see operating

Vent pumpe after instruction 8.1.1)

changing oil

Star grip doesn't return Return spring is Ask authorized dealer or

to middle position when damaged or return LUKAS themselves

released mechanism is dirty

Oil leakage out of Untightness, eventually Replace hoses

hoses or hose fittings damages

Surface of hydraulic Contact with Change hoses

hoses is dissolved agressive fluids

Leakages on the Seal defective piston Replacement of seals

piston rod rod by authorized dealer or

LUKAS themselves

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Lukas LZR 12-700 EN Manual de usuario Pagina 12