JLG X14JH Operator Manual User Manual

Page 83

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Replace the cartridge at each oil replacement and according to the intervals indicated by the
maintenance chart (par.4.2)
NOTE: Always do the first replacement of the cartridge after the first 50 working hours, to
eliminate working residues of tubes and hydraulic components from the hydraulic system.

1.

Unscrew cap A and extract the filter cartridge.

2.

If the cartridge is very dirty, replace it with a new one with the same features.

3.

Tighten cap A.

4.8 CHECKING MACHINE PLATES

Check if the prohibition, warning, danger and control plates are on the machine and that
they are legible.

Consult the pictogram paragraph to identify any missing or damaged plates.

4.9 CHECKING WORKING PRESSURES OF THE HYDRAULIC SYSTEM

To do this check, use a pressure gauge with a 200 bar minimum at the bottom of the scale.

Make sure the machine is closed and at rest.

Make sure that no one is within the machine working range.

All the controls must be made as defined in this manual from the driver’s place on the
basket.

a)

Connect the pressure gauge to the pressure socket situated on the aluminium block of
the delivery manifold, situated above the electric engine
First connect the MB inlet (ref. Hydraulic system).

b)

Place yourself at the driver’s place and turn on the machine.

c)

Close completely one of the two left stabilisers and keep the lever on.
Read the pressure gauge figure. This figure is relative to the distributor left movement.
Turn off the machine.

d) Connect the pressure gauge to the MA inlet (ref. Hydraulic system).
e) Place yourself at the driver’s seat and turn on the machine.
f) Close completely one of two right stabilisers and keep the lever on.

Read the pressure figure. This figure is relative to the distributor right movement.

g) Stabilise the machine.
h) Act upon the CLOSING third arm cylinder.

Keep the lever in position and read the pressure figure. This figure is relative to the
overhead part of the distributor on the basket.

BOOM LIFT MODELS X14JH

JLG

80

X14JHR0220311

ATTENZIONE

WARNING

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