38
8.5 OIL FILTER CLEANING OR REPLACEMENT
As shown in the maintenance chart, at
fi
xed dates it is necessary to replace the hydraulic oil
fi
lter
(drainage) placed on the tank.
Act as follows:
~
Carefully clean the hydraulic
fi
lter cover (
Fig. 21, pos. 1
) and its proximity.
~
Unscrew the four nuts on the
fi
lter cover.
~
Raise
the
fi
lter cover.
~
Take out both the spring and the oil
fi
lter cartridge.
~
Insert the new
fi
lter, locate the spring, and press the spring with the cover until the
fi
lter is completely closed.
~
Screw the four nuts.
The double pump Spedovators are equipped with a hydraulic oil
fi
lter also in the "
Delivery
" circuit
(
Fig. 21, pos. 2
), the single pump has one
fi
lter, the double pump has two
fi
lters. They shall be cleaned
and replaced on the same
fi
xed dates of the
fi
lter pos. 1. Remove the container by means of the proper
wrench, clean or replace the
fi
lter, then reassemble and screw tight.
If you are going to clean the oil
fi
lter, dip it in a tray
fi
lled with cleaning
fl
uid. Some hours later, blow
from outside towards inside with low pressure compressed air paying the greatest attention to make sure
foreign matters is removed.
Before performing any maintenance, make sure the machine has been laid fl at and rests on the
ground.
Fig. 21
Pos. 2
Pos. 1
