Waters ACQUITY UPLC I-Class IVD Overview And Maintenance Manual page 20

2 Preparing the column heater
• Whenever you loosen fittings during maintenance, examine them for
cracks, stripped threads, and deformations.
• Do not reuse stainless steel fittings more than six times.
• When installing or removing a column or optional in-line filter, always
hold the active preheater's reusable compression fitting in place and
rotate the column or in-line filter onto the fitting.
When tightening system fittings, consult the following table:
Installation recommendations for ACQUITY UPLC I-Class IVD column
compartment fittings:
Fitting
Reusable finger-tight
Reusable finger-tight
20 September, 2019, 715003738IVD Rev. C
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
1/6-turn
Additional 1/8-turn