SEN03766-02 00 Index and foreword
12
PC130-8
3) Disconnections in wiring
If the wiring is held and the connectors are
pulle
d apart, or components are lifted with
a crane with the wiring still connected, or a
heavy object hits the wiring, the crimping
of the connector may separate, or the sol-
dering may be damaged, or the wiring
may
be
broken.
4) High-pressure water entering connector
The connector is designed to make it diffi-
cult for water to enter (drip-proof struc-
ture), but if high-pressure water is sprayed
dir
e
ctly on the connector, water may enter
the connector, depending on the direction
of the water jet. Accordingly, take care not
to splash water over the connector. The
connector is designed to prevent water
from entering, but at the same time, if
water does enter, it is difficult for it to be
drained. Therefore, if water should get into
the connector, the pins will be short-
circuited by the water, so if any water gets
in, immediately dry the connector or take
other appropriate action before passing
electricity through it.
5) Oil or dirt stuck to connector
If oil or grease are stuck to the connector
and
an
oil film is formed on the mating sur-
face between the male and female pins,
the oil
will not let the electricity pass, so
there will be defective contact. If there is
oil or grease stuck to the connector, wipe it
off with a dry cloth or blow it dry with com-
pressed air and spray it with a contact
r
e
storer.
a When wiping the mating portion of the
c
onnector, be careful not to use
excessive force or deform the pins.
a I
f there is oil or water in the com-
pres
sed air, the contacts will become
even dir
tier, so remove the oil and
water from the compressed air com-
pletely before cleaning with com-
pressed air.
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