SANY LATIN AMERICA
4-24
SY195/205/215/225C9 Crawler Hydraulic Excavator
Structure and Function
Shop Manual - June 2013
18A. Pilot lockout solenoid valve
18B. Boom priority solenoid valve
18C. Bucket con
fl
uence solenoid valve
18D. Swing priority solenoid valve
18E. Hi/Lo travel speed solenoid valve
1) Bucket
cylinder
2) Arm
cylinder
3) Boom
cylinder
4) Hydraulic
tank
5) Hydraulic
oil
fi
lter
6) Control
valve
7) Hydraulic
pump
8) Radiator
9) Accumulator
10) Left travel motor
11) Right travel motor
12) Swing motor
13) Lockout lever
14) Left pilot valve
15) Center swivel joint
16) Right pilot valve
17) Travel pilot valve
18) Solenoid valve assembly
4.4
Hydraulic System, Part 1
4.4.1
Hydraulic equipment layout
1
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