116 1100 Series WS MWS Reference Manual
4 Repairing the Sampler
Exchange the Needle Seat Assembly (G1367-87101) on the G1367A/68A
Samplers
1 In the user interface start the maintenance mode and select the “Change
Needle/Seat” function.
2 Open the front door and remove the side door.
3 Remove the plate tray from the tray base.
4 Disconnect the seat capillary from the injection valve (port 5) with the
1/4 inch wrench.
5 Use the flat-head screwdriver to remove the needle seat.
6 Insert the new needle seat assembly (G1367-87101). Press it firmly in
position.
7 Connect the seat capillary to the injection valve (port 5) with the 1/4 inch
wrench.
8 Replace the plate tray in the tray base. Re-install the side door and close the
front door.
9 In the user interface close the “Change Needle/Seat” function and exit the
maintenance mode.
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.
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