SANY LATIN AMERICA
4-169
SY195/205/215/225C9 Crawler Hydraulic Excavator
Structure and Function
Shop Manual - June 2013
ZX225-1102049
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F
R
PsP
XBp2
PnA2
R. travel pressure sensor
Boom UP pressure sensor
Arm IN pressure sensor
Arm OUT pressure sensor
Bucket CURL pressure sensor
Bucket DUMP pressure sensor
Swing pressure sensor
L. travel pressure sensor
Boom DOWN pressure sensor
PPC
Valve
PPC Basic pressure
PPC Lock
solenoid
valve
Bucket
confluence
solenoid
valve
Swing
priority
solenoid
valve
Travel
speed
solenoid
valve
F. Pump oil-feed device
Work equipment actuator
Proportional valve
Servo
Main pump
Swing motor
Travel motor
Servo
Travel motor
Proportional valve
F. Pressure sensor
R. Pressure sensor
R. Pump oil-feed device
Work equipment actuator
Control valve
ports
Main valve
Remark:
The diagram above illustrates the electrical control system. For hydraulic circuit diagram, see Hy-
draulic System section.
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