110 1100 Series WS MWS Reference Manual
4 Repairing the Sampler
Removing the Needle Assembly
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 Push the silicon safety tube over the needle
5 Unlock the needle tighter lock system.
6 Loosen the loop capillary fitting on the analytical head side.
7 Remove the loop capillary corrugated waste tube.
8 Pinch the holder clamp, pull back and remove the needle assembly with the
loop capillary from the needle carrier.
When required When the needle is visibly damaged
When the needle is blocked
Tools required Two 1/4 inch-5/16 inch wrenches 8710-0510 (supplied in accessory kit)
4 mm open end wrench 8710-1534 (supplied in accessory kit)
Parts required G1367-87201 Needle assembly for G1367A/68A
G1377-87201 Needle assembly for G1377A/78A
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.
CAUTION
An uncovered needle is a risk of harm to the operator.
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