Specifications

9
www.agilent.com/chem
•
800 227 9770
AUTOSAMPLER MAINTENANCE
The needle should be replaced when it becomes bent, burred or
blunt. The needle seat should be replaced when it is leaking or
plugged. You should suspect a leak if you notice a trail of buffer
crystals on the needle seat. The needle seat can become blocked
if the sample contains particulates, as this is the first restriction
that the sample experiences. If this occurs, try backflushing the
needle seat capillary.
•
Select “Change Needle” under “Maintenance Function.”
•
Remove the front cover when the needle is positioned
approximately 15 mm over the needle seat.
Exchanging the Needle
Tools
1/4″ Wrench
2.5 mm Hexagonal key
1. Select “Needle Down”
button until the needle
screw shows up in the
hole of the safety cover.
2. Remove the sample loop.
Loosen and remove the
needle’s set screw.
When installing the new needle, take care not to strip the
setscrew. You may have to bend the needle slightly to ensure
needle seat alignment.
Exchanging the Needle/Needle Seat for the G1313A,
G1329A, G1389A and G2260A
(See manual for G1367A and G1377A)
Injection Valve Maintenance
Before beginning this procedure:
Used In
(instrument) Description Part No.
Price
($)
RheBuild
Kit Part
No.
Price
($)
Rotor Seal
Part No.
Price
($)
Stator
Part No.
Price
($)
G1313A,
G1329A,
G1367A
2 Pos/6 Port
Injection Valve
0101-0921 1102 0101-1257 283
0100-1853
(Vespel)
0100-1849
(Tefzel)
0100-2231
(PEEK)
90
89
137
0100-1850
Stator head
0100-1851
Stator face
336
188
G1377A
2 Position/6 Port
µ Injection Valve
0101-1050 1453 0101-1257 283
0100-2088
(Vespel)
158 0100-2089 755
G2258A
10 Port, Dual
Loop Valve
0101-1385 1589 0100-2415 157 0101-1390 718
G2260A
2 Position/6 Port
MBB Injection Valve
0101-1267 1565 0101-1268 313