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Troubleshooting
Safety, Operation and Maintenance Manual - Aug 2012
6-21
SY115C9/135C/155H Crawler Hydraulic Excavator
1
CZ215-1105004
Always prepare your machine as required and
lock out/tag out your machine before proceed-
ing.
See “Preparing the machine” on page
2-58 and “Lock-out and tag-out” on page
2-60.
1. Check for oil leak.
2. Check engine oil level. Refill oil when
required.
●
Remove the dipstick (1). Wipe off the oil
on dipstick(1) with cloth.
●
Fully insert the dipstick into oil and then
slowly pull it out.
●
If oil level between the marks L and H,
the amount of oil is good.
●
If oil level is low, refill it immediately. If
engine oil is contaminated, change the
oil immediately.
●
Replace the dipstick(1) after checking.
3. If engine oil level is normal but abnormal
pressure of engine oil is altered, contact
your Sany distributor in time to solve the
problem.
Fig. 6-13
ble, the low oil pressure alert indicator and oil
fi
lter alert indicator will be on at the same time,
altering that oil pressure is abnormal. Stop
operating your machine, shut down the engine
immediately, and proceed as the following.
L H
CZ335-1104059
Fig. 6-14