Waters ACQUITY Arc - Page 43

Compression screw
Lock ring
Ferrule
Tighten the fitting finger-tight.
2.5.1.6
Dual-threaded, finger-tight fitting with knurled compression screw and captive
ferrule
First use or re-installed
Locking cap nut
Knurled locking compression screw
Back-locking PEEK ferrule
To tighten this fitting for first use:
1. Loosen the cap nut from the dual-threaded, finger-tight fitting.
2. Slide the dual-threaded fitting with captive ferrule into the column inlet.
3. Finger-tighten the dual-threaded fitting with captive ferrule, into the column inlet.
4. Tighten the cap nut onto the dual-threaded, finger-tight fitting.
To re-install this fitting:
1. Loosen the cap nut from the dual-threaded, finger-tight fitting.
2. Loosen and remove the dual-threaded fitting with captive ferrule from the column inlet.
3. Examine the captive ferrule for damage, and replace it if necessary.
Important: For detailed instructions about replacing the ferrule, see Replacing the ferrule
on the column fitting.
December 5, 2017, 715004751 Rev. C
Page 43