SANY LATIN AMERICA
6-33
SY195/205/215/225C9 Crawler Hydraulic Excavator
Testing and Adjusting
Shop Manual - June 2013
Table of functioning state - pilot lock solenoid
valve
Functioning State
Function
Lockout control
Lock
OFF
Free
ON
6. Remove all measuring tools after measure-
ment. Make sure that the machine returns
to its normal condition.
Swing priority
Solenoid Valve
Output Pressure
OFF (de-energize)
0 {0}
ON (energize)
3.0~3.9 MPa{30~39 kgf/cm²}
High speed travel
Solenoid Valve
Output Pressure
OFF (de-energize)
0 {0}
ON (energize)
3.9~4.1 MPa{39~41 kgf/cm²}
4. Start the engine and keep it running un-
til the hydraulic oil temperature rises to a
point within the operational range.
5. Run the engine at full speed. Operate the
control levers to open or close each sole-
noid valve, and measure the pressure.
●
The function of each solenoid valve
can be checked through the monitor's
monitoring function. (This is a special
function of the monitor.)
●
When each output pressure reads the
following values, the solenoid valve is
normal.
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