Engine Speed Drops Sharply Or Engine Stalls - SANY SY195C9 Shop Manual

Troubleshooting
H-2 Engine speed drops sharply or engine stalls
Trouble
Related information
Cause
1 Failure of injection pump Injection pump may be defective. Check it directly.
2 Malfunction of regulator
Clogging of oil fi lter ele-
3
ment
Carbon buildup at fuel
4
injection nozzle
5 Clogging of air cleaner
6 Abnormal wear of engine Engine may be worn abnormally. Check it directly.
7 Failure of oil pump
7-98
SY195/205/215/225C9 Crawler Hydraulic Excavator
● Engine speed drops sharply or engine stalls.
● Information concerned
Standard value in normal state/Remarks on troubleshooting
Regulator may have malfunction. Check its servo mechanism.
Oil fi lter element may be clogged. Check the element directly.
Carbon built up at fuel injection nozzle. Check it directly.
Air cleaner may be clogged. Check it directly.
Oil pump may be defective. Check it directly.
Shop Manual - June 2013
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