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Agilent 1100 Series Fraction Collectors User’s Guide
3
Repairing the Fraction Collector
Simple Repairs
Exchanging the Preparative Needle Assembly
Frequency
When the needle is leaky or visibly damaged
When the needle is blocked or contaminated
Tools required
Wrench, open end, 4mm, PN 8710-1534 (supplied in accessory kit)
Wrench, open end, 1/4 – 5/16 inch, PN 8710-0510 (supplied in accessory kit)
Parts required
Preparative needle assembly, G1364-87201
WA R N I N G
To avoid personal injury, keep fingers away from the needle area during fraction
collector operation.
C A U T I O N
Regularly inspect the inlet / waste tubing assembly and the valve to needle tubing and
exchange them if they are worn out or show visible signs of damage.
Before beginning this procedure:
•
Position the transport unit of the fraction
collector in the “Home Position” (see
•
Remove all installed trays from the tray
base.
•
Position the transport unit of the fraction
collector in the “Change Parts Position”
(see
•
Turn off the instrument.
•
It might be more convenient to remove the
needle from its carrier before unscrewing
the needle tubing.
1 Using the 4 mm wrench and the
5/16“ wrench for counter-holding unscrew
the valve to needle tubing from the needle.
(Viewed from the bottom)
