Safety
Safety, Operation and Maintenance Manual - Sep 2012
2-49
SY115C9/135C/155H Crawler Hydraulic Excavator
●
Never dig too much under the machine,
which may cause the ground to collapse
due to cave-in, hence the accidents.
CZ335-1102048
Fig. 2-67
●
In excavating operation, the track should
be adjusted vertical to road shoulder or
cliff, with sprockets behind the cab, so that
the machine can retreat easily in case of
an emergency.
CZ335-1102049
Fig. 2-68
●
Never tear down under your machine,
which may cause your machine to destabi-
lize and roll over.
●
When operating on building or other
structures, strength of structure must be
checked to avoid collapse of building, thus
resulting injury or death.
CZ335-1102050
Fig. 2-69
