Maintenance
Safety, Operation and Maintenance Manual - Aug 2012
5-79
SY115C9/135C/155H Crawler Hydraulic Excavator
Cleaning the fresh air
fi
lter
1. Unlock the rear cover (4) on the left side
of the cab with the start switch key. Open
the cover (4) with your hand, remove the
locking nut (5) and take out the fresh air
fi
lter (6).
2. Use compressed air to clean the filter. If
the
fi
lter bears oil or too much dirt, clean it
with moderate detergent. After the
fi
lter has
been flushed with water, it must be dried
completely before reuse. This filter shall
be replaced every year with a new one. If
a plugged air
fi
lter cannot be cleaned with
compressed air or
fl
ushing water, replace it
immediately.
3. After cleaning, restore the
fi
lter (6), tighten
the nut (5) and close the cover. Lock the
cover with your start switch key and then
remove the key.
4
CZ335-1104077
4
6
5
CZ335-1104078
S
L
6
4
CZ335-1104079
Remark:
The fresh air
fi
lter must be installed correctly.
To install the
fi
lter, the long end (L) of the
fi
lter
(6) must be inserted
fi
rst into the
fi
lter box. By
inserting the short end (S), the cover (4) will
not be closed.
Fig. 5-85
Fig. 5-86
Fig. 5-87