SANY LATIN AMERICA
4-174
SY195/205/215/225C9 Crawler Hydraulic Excavator
Structure and Function
Shop Manual - June 2013
ZX215-1002196
M
P
F
R
Hi
Lo
Swing signal
Bucket DUMP signal
Bucket DIG signal
Arm OUT signal
Arm IN signal
R. Travel signal
L. Travel signal
Boom UP signal
Boom DOWN signal
Speed
sensor
Engine
Fuel injection
pump
Throttle
motor
Main
pump
Servo
Servo
Press.sensor
Press.sensor
(Throttle position feedback signal)
(Motor drive signal)
Fuel control dial
(Control signal)
(Control signal)
(Engine speed signal)
Proportional
valve
Proportional
valve
Monitor
(CAN
bus)
Controller
4.9.4
Pump control function
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