118 1100 Series WS MWS Reference Manual
4 Repairing the Sampler
Exchange the Seat Capillary (G1375-87317/G1375-87300) on the G1377A/78A
Samplers
1 Disconnect the seat capillary from the injection valve (port 5) with the 4
mm wrench.
2 Disconnect the seat capillary from the needle seat with the 4 mm wrench.
3 Connect the new seat capillary (G1375-87317 or G1375-87300) to the
injection valve (port 5) and the needle seat with the 4 mm wrench.
When required When the seat is visibly damaged
When the seat capillary is blocked
Tools required 1/4 inch-5/16 inch wrench 8710-0510 (supplied in accessory kit)
4 mm open end wrench 8710-1534 (supplied in accessory kit)
Flat screwdriver
Parts required G1367-87101 Needle-Seat assy (0.17 mm ID 2.3 µl) for G1367/68A
G1377-87101 Needle-Seat (without capillary) for G1377/78A
G1375-87317 Seat Capillary (150 mm 0.10 mm ID) for G1377-87101 Needle Seat
or
G1375-87300 Seat Capillary (150 mm 0.05 mm ID) for G1377-87101 Needle Seat
WARNING
When opening capillary or tube fittings, solvents may leak out. Please observe
appropriate safety procedures (for example, goggles, safety gloves and protective
clothing) as described in the material handling and safety data sheet supplied by the
solvent vendor, especially when toxic or hazardous solvents are used.
NOTE
Choose the seat capillary diameter (50 µm or 100 µm), as function of the column and the
application you run on the system. See, “Choice of Seat Capillary" on page 54.
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