SANY LATIN AMERICA
4-173
SY195/205/215/225C9 Crawler Hydraulic Excavator
Structure and Function
Shop Manual - June 2013
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At this time, the controller keeps the pump
oil-suction torque in line with the stabling
motor curve, and controls engine speed
through combined control of the engine
and pump.
Power output rate of at each working mode
Mode
S
L
B
Power output rate
90%
80%
70%
ZX215-1002193
H
S
L
Engine torque
T
Engine speed N
ZX215-1002194
H
S
L
Engine power
KW
Engine speed N
ZX215-1002195
H
S
L
Pump output pressure
P
Pump delivery
Q
S mode/B mode/L mode
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