SANY LATIN AMERICA
7-94
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
A Schematic of hydraulic system and mechanical system
15
16
14
13
1
2
3
4
12
11
10
9
8
7
6
5
P2
P1
19
17
20
18
1
2
3
REAR
FRONT
M
ZX225-1105039
PILOT VALVE - L
PILOT VALVE - TRAVEL
PILOT VALVE - R
IN
OUT
LEFT
RIGHT
LOWER
RAISE
BWD
FWD
CURL
DUMP
FWD
BWD
ARM
SWING
TRAVEL
(LEFT)
TRAVEL
(RIGHT)
BOOM
BUCKET
ACCUMULATOR
LOCK
(PILOT VALVE )
BUCKET CONFLUENCE
SWING PRIORITY
VARIABLE SPEED
(TRAVEL)
BOOM PRIORITY
REGULATOR
SERVO
MECHANISM
REGULATOR
SERVO
MECHANISM
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