Selector Valve; Control Pedal - SANY SY115C9 Safety, Operation And Manitenance Manual

SY115C9/135C/155H Crawler Hydraulic Excavator

8.2.1.2 Selector valve

Selector valve changes fl owing direction of hy-
draulic oil.
The change of direction is made according to
the working mode selected. The working mode
must be applicable to the installed optional
equipment. For changing the working mode,
see"Hydraulic circuit" on page 8-8.

8.2.1.3 Control pedal

Do not operate when placing your foot on
the pedal. If the pedal is pushed mistaken-
ly, the optional equipment will move sud-
denly and cause severe accidents.
Control pedal is used to control the optional
equipment.
When the front, center, or rear of the pedal is
pushed down, the optional equipment will op-
erate as the following.
Hydraulic breaker
Front (A): Operate
Center (N): Stop
Rear (B): Stop
For other optional equipment, consult its man-
ufacturer for installation in order to confi rm the
operation of pedal and optional equipment be-
fore operating your machine.
WARNING
Safety, Operation and Maintenance Manual - Aug 2012
Fig. 8-3
B
Fig. 8-4
Optional Equipment
CZ335-1105003
A
N
CZ335-1105004
8-7