Waters ACQUITY UPLC H-Class Series System Manual page 40

Required tools and materials
• Chemical-resistant, powder-free gloves
• Protective eyewear
• Replacement ferrule
To replace the ferrule on the column fitting:
1. Unscrew the #2 locking cap nut from the #1 knurled compression fitting.
Figure 2–6: Unscrewing cap nut from fitting
#1 knurled compression fitting
#2 locking cap nut
2. Slide the #1 knurled compression fitting off the tubing.
Figure 2–7: Sliding fitting off tubing
#1 knurled compression fitting
Tubing
Note:
If the assembly contains a captive ferrule, the ferrule remains locked in the fitting.
3. If the assembly contains a captive ferrule, remove the ferrule from the fitting.
April 4, 2018, 715005702 Rev. A
Page 40