Warning:
To avoid eye injury, use eye protection when performing this procedure.
Notice:
To prevent contaminating system components, wear clean, chemical-resistant,
powder-free gloves when performing this procedure.
Required tools and materials
• Chemical-resistant, powder-free gloves
• Protective eyewear
• 1/2-inch open-end wrench
• 1/4-inch open-end wrench – for tightening or loosening stainless steel (gold-plated) fittings
with two-piece ferrules
• Column gripping tool – for holding the column while tightening or loosening the dual-threaded
fitting
• Permanent marker
To assemble the new fittings:
1.
Insert the end of a tube into the hexagonal end of the compression screw.
2.
Insert the tube into the larger end of the ferrule.
3.
Insert the tube into the connection port.
4.
Rotate the compression screw, clockwise, into the connection port until the screw is finger-
tight.
5.
Using a permanent marker, mark the compression screw at the 12-o’clock position.
6.
Mark the connection port at the 9-o’clock position.
7.
Ensure that the tubing makes contact with the bottom of the connection port, and use the
1/4-inch open-end wrench to rotate the compression screw clockwise 3/4-turn until the two
marks line up.
First-use tightening:
April 4, 2018, 715005702 Rev. A
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