Operation
Safety, Operation and Maintenance Manual - Sep 2012
4-38
SY115C9/135C/155H Crawler Hydraulic Excavator
4.8 Restricted Operations
●
Never maneuver the control levers of the
work equipment when the machine is trav-
eling. Stop the machine before maneuver-
ing any control lever.
●
The engine's speed could increase abrupt-
ly if you maneuver any control lever when
the automatic idling function is active.
4.8.1 Operation with swinging force
Never use the swinging force to compact the
ground or break objects. Doing this is danger-
ous. In addition, the service life of machine
would be reduced considerably.
CZ335-1103181
CZ335-1103182
4.8.2 Operation with traveling force
Never cut your bucket into ground and use the
traveling force to excavate, which could dam-
age your machine or work equipment.
Fig. 4-66
Fig. 4-67