SANY LATIN AMERICA
4-154
SY195/205/215/225C9 Crawler Hydraulic Excavator
Structure and Function
Shop Manual - June 2013
●
Defective refrigerant circulation
Symptom: insuf
fi
cient refrigeration
Symptom
Cause
Analysis
Remedy
●
Pressure at both
Hi- and Lo-pressure
sides very low
●
Frosting on the pip-
ing between parts
and reservoir
●
Contaminant in the
reservoir hinders the
fl
ow of refrigerant.
●
Blocked reservoir
●
Replace reservoir
ZX215-1002170
0
0
01
02
03
04
05
05
0
0
35
MPa
MPa
{cmHg kgf/cm
2
}
{cmHg kgf/cm
2
}
5
3
30
25
25
20
10
1
15
2
15
35
-01
-01
-76
-76
-50
06
07
08
085
8.5
8
7
5
6
4
3
2
1
15
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