SANY LATIN AMERICA
7-101
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
H-5 Auto deceleration not functioning
Trouble
●
Auto-deceleration is not functioning.
Related information
●
Set working mode to (S) and fuel control dial at position (10) to
carry out troubleshooting.
Possible causes and standard value in normal state
Cause
Standard value in normal state/Remarks on troubleshooting
1
Malfunction
of sensor
●
Stop the engine. Perform troubleshooting while the engine is running at high
idle.
Control levers
Pilot valve output pressure
"NEUTRAL"
0 {0}
Operation
3.5~4.1MPa
{36~42 kg/cm²}
2
Malfunction
of pilot valve
●
Stop the engine. Perform troubleshooting while the engine is running at high
idle.
Control levers
Pilot valve output pressure
"NEUTRAL"
0 {0}
Operation
3.5~4.1MPa
{36~42 kg/cm²}
3
Failure of
controller
Controller may be defective. Check it directly.
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