GE AKTAprime plus User Manual

Table 5.1: User maintenance schedule
Instructions/referenceActionInterval
Visually inspect the system for leaks.Leak inspectionDaily
1
For cleaning the flow path, see Cleaning-In-
Place, on page 46.
2
For leaving the system for a few days, see
Section 5.7 Storage, on page 49.
Wash the system flow
path
Calibrate the pH electrode (if applicable) accord-
ing to Monitor pH/C-900 User Manual.
Calibrate pH electrode
(optional)
Check the inlet filters visually and replace them
if necessary.
Check inlet filtersWeekly
Replace the on-line filter.Replace on-line filter
(if applicable)
Check that flow restrictor generates the follow-
ing back-pressure:
Flow restrictorMonthly
FR-904: 0.4 ±0.05 MPa
Check the back-pressure as follows:
1
Disconnect the flow restrictor.
2
Connect a tubing (approx. 1 m, i.d. 1 mm)
to the waste port (port 5) on the injection
valve. Set the injection valve manually to
Waste position. Put the open end in a waste
container.
3
Run the pump manually at 10 ml/min with
water. Note the back-pressure (Bp1) on the
pump display, or in the Run Data window.
4
Set the system to Pause and connect the
flow restrictor to the open end of the tubing
(observe the IN marking). Put the flow restric-
tor in the waste container.
5
Press Continue so that the pump run at 10
ml/min with water. Note the back-pressure
(Bp2) on the pump display, or in the Run
Data window.
6
Calculate the back-pressure generated by
the flow restrictor (Bp2-Bp1). Replace it if it
is not within limit.
ÄKTAprime plus Operating Instructions 28-9597-89 AB 45
5 Maintenance
5.2 User maintenance schedule

GE AKTAprime plus Specifications

General

Brand	GE
Model	AKTAprime plus
Category	Laboratory Equipment
Language	English