Holder A4 VG 40 EP Manual De Usuario

NOTE
These notices only apply for valve arrange-
ments conforming to our circuit diagrams or
approved by Bucher.

Lifter or hydraulic cylinders not lifting,

although control valve can be moved

normally. No build-up of pressure
(steering working normally)

Pressure relief valve jammed due to

foreign objects

Remove and clean pressure

limitation valve LU 08 SCS-OM2,
but do not change the pressure

setting!

Loss of lifting power

Pressure setting too low

Oil level too low

Reset pressure with pressure gauge

(190 bar)

Fill up specified type of oil

Operating pressure is only reached

with high RPM

Pump defective

Replace pump

Manual control valve jammed

Radial torsion

Dirt

Tension screws too tight or not all
tightened to the same torque

Maximum torque 25 Nm (2.5 mkp)
Remove and clean valve