Hydraulic Tank Fi Lter Screen - Clean - SANY SY115C9 Safety, Operation And Manitenance Manual

Maintenance
5.8.8.2 Hydraulic tank fi lter screen - clean
When the engine has just been stopped,
the parts and oil are still hot and can cause
serious burn. Wait until they are cool
enough before doing the job.
Always prepare your machine as required
and lock/tag it out before proceeding. See
"Preparing the machine" on page 2-58 and
"Lock-out and tag-out" on page 2-60.
1. Turn the butterfl y nut on the breather valve
and press the venting button.
2. Loosen the four bolts and remove the cap
(1). When the cap is removed, it may fly
out due to the action of the spring (2). In
this case, hold down the cap when remov-
ing the bolts.
3. Hold the top end of the rod (3) and pull it
upward in order to remove the spring (2)
and the screen (4).
4. Clean the screen (4) of all dirt. Flush it with
cleaning oil. Replace the screen if dam-
aged.
5. During installation, fix the screen (4) to
the bigger part (5) of the oil tank before
assembling.
6. When assembling, take advantage of the
bulged part of the cap (1) to hold the spring
(2) before tightening the bolts.
5-88 Safety, Operation and Maintenance Manual - Aug 2012
WARNING
SY115C9/135C/155H Crawler Hydraulic Excavator
Fig. 5-98
1
2
3
4
5
Fig. 5-99
Butterfly nut
Breather valve
CZ335-1104080
CZ335-1104093