120 1100 Series WS MWS Reference Manual
4 Repairing the Sampler
Rotor Seal
1 Open the front door.
2 Remove all capillaries from the injection-valve ports with the 1/4 inch wrench.
3 Unscrew and remove the three stator screws from the stator head with the
9/64 inch wrench.
4 Remove the stator head, the stator face and the stator ring.
5 Remove the rotor seal (and isolation seal if required).
6 Install the new rotor seal and isolation seal (if required). The metal spring
inside the isolation seal must face toward the valve body. In other words,
the metal spring should not be visible when the isolation seal is installed.
7 Reinstall the stator ring.
8 Place the stator face on the stator head. The pins on the stator face must
engage in the holes on the stator head.
When required When poor injection-volume reproducibility
When leaking injection valve
Tools required 1/4 inch-5/16 inch wrench 8710-0510 (supplied in accessory kit)
9/64 inch 15 cm long, T-handle hex key 8710-2394 (supplied in accessory kit)
Parts required 0100-1853 Vespel Rotor Seal for 0101-0921 injection valve (G1367A/68A) or
0100-1849 Tefzel Rotor Seal for 0101-0921 injection valve (G1367A/68A)
0100-2088 Vespel Rotor Seal for 0101-1050 injection valve (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.
NOTE
The micro injection valve, 0101-1050 has no stator face.
CAUTION
Ensure the stator face does not fall out of the valve.
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