Hardware manual

Maintenance 4
Agilent 7500 Series ICP-MS Hardware Manual 4-69
5 Remove the sampling cone.
Insert the sampling cone wrench into the sampling cone’s exterior holes
(Figure 67). Rotate the wrench counterclockwise to loosen the cone.
Unscrew the cone by hand and remove it, holding it by its perimeter.
Figure 67 Removing the Sampling Cone
6 Pull and remove the sampling cone slowly to the axis. The skimmer cone
can be seen inside.
7 Remove the skimmer cone.
Insert the skimmer wrench into the skimmer cone exterior holes and rotate
the wrench counterclockwise to loosen the cone (Figure 68). Unscrew the
cone by hand and remove it. Hold the cone by its perimeter.
CAUTION
Do not touch the sampling cone orifice. Even slight pressure can damage the orifice.
Loosen the sampling cone by holding it firmly.
CAUTION
Take care not to move the sampling cone vertically or allow it to fall. This would cause
the tip of the skimmer cone to bump against the bottom of the sampling cone and
cause damage.
CAUTION
Do not touch the skimmer cone orifice. Even slight pressure can damage the orifice.