Operation
Safety, Operation and Maintenance Manual - Sep 2012
4-29
SY115C9/135C/155H Crawler Hydraulic Excavator
4.4.2 Moving the machine forward
1. Place the hydraulic lockout control to the
FREE position (F), and retract the work
equipment till it is 40-50 cm above the
ground, as shown in the right illustration.
●
If you never have a good visibility to the
right, raise the boom to ensure a good vis-
ibility.
Remark:
Fully preheat your machine if its travel speed
is abnormal in cold weather. In addition, if the
undercarriages is stuck with mud and the ma-
chine's travel speed becomes irregular, it is
necessary to remove the mud from the under-
carriage.
40~50cm
CZ335-1103163
F
L
A
CZ335-1103164
A
CZ335-1103165
2. Operate the left and right travel control
levers or the left and right travel pedals
according to the following instruction:
●
When the sprocket (A) is under the rear
part of machine:
Slowly push the control lever or slowly
push down the front part of pedal to move
the machine.
●
When the sprocket (A) is under the front
part of machine:
Slowly pull the control lever or slowly push
down the rear part of pedal to move the
machine.
Fig. 4-46
Fig. 4-47
Fig. 4-48