SANY LATIN AMERICA
7-98
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
H-2 Engine speed drops sharply or engine stalls
Trouble
●
Engine speed drops sharply or engine stalls.
Related information
●
Information concerned
Possible causes and standard value in nor-
mal state
Cause
Standard value in normal state/Remarks on troubleshooting
1
Failure of injection pump Injection pump may be defective. Check it directly.
2
Malfunction of regulator
Regulator may have malfunction. Check its servo mechanism.
3
Clogging of oil
fi
lter ele-
ment
Oil
fi
lter element may be clogged. Check the element directly.
4
Carbon buildup at fuel
injection nozzle
Carbon built up at fuel injection nozzle. Check it directly.
5
Clogging of air cleaner
Air cleaner may be clogged. Check it directly.
6
Abnormal wear of engine Engine may be worn abnormally. Check it directly.
7
Failure of oil pump
Oil pump may be defective. Check it directly.
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