Waters ACQUITY UPLC Operator's, Overview And Maintenance Manual page 19

When tightening system fittings, consult the following table.
Installation recommendations for ACQUITY UPLC column compartment
fittings:
Fitting
Reusable finger-tight
Reusable finger-tight
Stainless steel (gold-plated) fitting with
long flats and 2-piece stainless steel
ferrule
Long flats
Recommended tightening
Finger-tight, plus 1/6-turn
TP02728
Finger-tight, plus up to
1/6-turn; if leaking, tighten
another 1/8-turn
Collet
removal tool
1/6-turn
Finger-tight, plus 3/4-turn
using wrench
TP03378
2-piece ferrule
Preparing the column compartments
1/6-turn
Additional 1/8-turn
3/4-turn
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