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Never allow the nozzle to touch the
board itself.
CAUTION
To confirm that all the solder is melted,
observe the inside of the hole and the
backside of the P.W.B. If this is difficult
to do, try slowly moving the lead with
the nozzle-if the lead moves, the
solder is melted.
CAUTION
Never move the lead by force. If it
doesn't move easily, the solder isn't
yet fully melted.
CAUTION
Never leave any solder remaining
inside the hole in the P.W.B.
CAUTION
Absorb the solder by slowly
moving the lead back and
forth with the tip of the
nozzle.
Slowly move
the lead with
the nozzle.
Nozzle
P.W.B.
Solder
Lead
·Apply the nozzle to the soldered
part and melt the solder.
·Confirm that the solder is
melted.
Melt the solder.
Absorb the solder.
·After confirming that the solder
is completely melted, absorb
the solder by squeezing the
trigger on the gun.
·After fully absorbing all the
solder, cool the soldering junc-
tion in order to prevent it from
becoming resoldered.
·If solder remains, resolder the
component and repeat the
desoldering process.
Problems during
desoldering
8