Clearing Air Bubbles From The Liquid Head - Agilent Technologies SD-1 User Manual

8
Maintenance and Repair

Clearing Air Bubbles from the Liquid Head

Clearing Air Bubbles from the Liquid Head

If you notice pressure fluctuations from zero to several hundred kPa when the
HPLC system is operating at normal pressure, there is probably a bubble in the
liquid head.
Chemical burns to eyes, skin, and/or respiratory tract
WARNING
The mobile phases in the system may be hazardous.
➔
➔
1 Operate the pump at moderate flow (10 % of maximum) with the system
2 Carefully loosen the outlet check valve fitting; just enough to make it leak
84
Observe all standard laboratory safety precautions.
Always wear personal protective equipment.
pressurized.
(also known as crack the fitting).
Figure 36 Outlet check valve fitting
SD-1 Solvent Delivery - User Manual