Operation
Safety, Operation and Maintenance Manual - Sep 2012
4-8
SY115C9/135C/155H Crawler Hydraulic Excavator
ing the additional fuel
fi
lter (1) if the trans-
parent cover (2) is dirty or it is hard to see
the interior through it.
●
When drain valve (3) has been removed
during cleaning, its O-ring must be greased
and the valve must be tightened till it con-
tacts the bottom.
4.1.2.3 Drain valve - regulate
If the drain valve (3) does not work smoothly,
the part with O-ring shall be greased to make
it move smoothly.
1. Place a vessel under the additional fuel
fi
lter cartridge (1).
2. Open the drain valve (3) and drain all
water and sediment behind the transparent
cover (2), and drain the fuel accumulated
in cartridge (1).
3. Remove the drain valve (3) after con
fi
rming
that nothing is coming out of the drain hose
(4).
4. Apply suitable amount of grease to the
O-ring (5). Pay attention to not greasing
the drain valve outlet (6) or its threads (7).
5. Tighten drain valve (3) with hand till it
contacts bottom of transparent cover (2).
6. Remove the fuel vessel.
1
2
3
4
CZ135B-1103018
1
2
3
4
CZ135B-1103019
SY115C9
、
SY135C8/C9
、
SY155H
SY135C8(M)
5
6
7
CZ135B-1103020
Fig. 4-4
Fig. 4-5
Fig. 4-6
