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18
CLEANING THE FILTERS
Top performance, constant efficiency and a long service life of the hydraulic components is ensured
by taking proper care of the cleaning operations and using the correct quality of oil.
We therefore recommend that you always use
AGIP ARNICA 32
hydraulic oil or a compatible equivalent
(ISO - L - HV).
We must remind you that mixing oils which are not perfectly compatible may cause serious damages
inside the oil-hydraulic system.
There are two filters, one on the high-pressure delivery line and one on the suction line.
The delivery filter has a visual indicator to show when it is clogged. When the indicator has turned
completely red the cartridge must be replaced. Unscrew the body of the filter with a wrench, replace
the cartridge, clean the container, lubricate the sealing gasket and then screw tightly back in place
by hand, without using a wrench.
The suction filter should be cleaned once every six months.
If it is of the spin-on type, unscrew the cartridge and replace it.
If it is of the cartridge type, it may be sufficient to wash it with Diesel oil and to blow it clean with
compressed air. If the filters are to be replaced, use cartridges having the same filtering capacity,
since different degrees of filtering can cause serious damages to the pump and to the oil-hydraulic
system.
Check the level of the oil in the tank regularly, using the level indicators engraved on the rod under
the sealing cap (the level must be checked with the booms in the stowed position). The level must be
comprised between the “min.” and the “max.” marks.
The hydraulic oil must be replaced every 5000 hours or every three months.
When replacing the oil, use personal protection equipment such as gloves and goggles. In the event
of accidental contact, wash thoroughly with water and soap.
Oil is polluting for the environment and nature. Collect any oil which has spilled during these operations
and contact a specialised firm or consortium for disposing of it.
PERIODICAL CHECKS
CHECKS TO BE CARRIED OUT ON STARTING EACH DAY OF WORK
-
Make sure that there are no visible leakages from the oil-hydraulic system;
-
make sure that there are no torn wires or cables;
-
make sure that there are no pins protruding from their seats or with signs of seizure;
-
make sure that the parapet of the cage are sound;
-
make sure that none of the limit switches are broken or out of place;
-
check operation of all controls before lifting the boom completely.
Содержание 160 ALU
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