Operation
Safety, Operation and Maintenance Manual - Sep 2012
4-30
SY115C9/135C/155H Crawler Hydraulic Excavator
4.4.3 Moving the machine backward
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. Moreover, if the
tracks are stuck by mud and the machine's
travel speed becomes irregular, it is necessary
to remove the mud from the tracks.
A
CZ335-1103166
A
CZ335-1103167
40~50cm
CZ335-1103163
F
L
2. Operate the left and right travel control
levers or the left and right travel pedals as
the following:
●
When the sprocket (A) is under the rear
part of machine:
Slowly pull the control lever or slowly push
down the rear part of pedal to move the
machine backward.
●
When the sprocket (A) is under the front
part of machine:
Slowly push the control lever or slowly
push down the front part of pedal to move
the machine backward.
Fig. 4-49
Fig. 4-50
Fig. 4-51
