SANY LATIN AMERICA
7-109
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
H-13 Travel speed drops considerably while swinging and travelling
Trouble
●
Travel speed drops considerably in swinging plus travelling operation.
Related information
●
If the travel speed is low in only travelling operation, check
fi
rst ac-
cording to H-15.
Possible causes and standard value in
normal state
Cause
Standard value in normal state/Remarks on troubleshooting
1
Failure of straight
travel valve
The straight travel valve gives no response. Check the spool and the
logic oil circuit drain port.
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