SANY LATIN AMERICA
1-18
SY195/205/215/225C9 Crawler Hydraulic Excavator
Introduction
Shop Manual - June 2013
7. Cleaning operations
After repairing the hydraulic equipment
(pump, control valve, etc.) or when run-
ning the machine, carry out oil cleaning
to remove the sludge or contaminants in
the hydraulic oil circuit. The oil cleaning
equipment is used to remove the ultra
fi
ne
(about 3
μ
) particles that the filter built in
the hydraulic equipment cannot remove, so
it is an extremely effective device.
ZX215-1000027
1.4
Hose Connector
Hose connector is used to connect hoses with
a small diameter. The metal sealing surface (4)
of the joint (1) must be in close contact with
the metal sealing surface (5) of the hose (2) to
seal pressurized oil.
ZX215-1000028
1
2
3
4
5
Connector
NOTICE
●
Do not over-tighten the nut (3). Exces-
sive force applied on the metal sealing
surface (4) and (5) may cause the joint
(1) to break. Be sure to tighten nut (3)
according to technical specifi cations.
●
Scratches or other damages on seal-
ing surface (4) and (5) may cause leaks
at the joint. Be extremely careful not
to damage the sealing surfaces during
connecting and disconnecting work.
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