Operation
Safety, Operation and Maintenance Manual - Sep 2012
4-34
SY115C9/135C/155H Crawler Hydraulic Excavator
4.5.1 Swing operation
●
When the rear part of the machine is posi-
tioned away from the track, check whether
the surrounding area of the machine is
safe before carrying out swinging opera-
tion.
●
When the engine's speed decreases due
to automatic idling function, the engine's
speed could increase abruptly if any con-
trol lever is maneuvered. Be careful with
the operation of control levers.
Maneuver the left joystick (1) in the illustrated
directions to swing the turntable of upper
structure.
(A) Swing to left
(B) Swing to right
A
B
CZ335S-1103067
Fig. 4-58
Fig. 4-59
1
CZ215-1103064