122 1100 Series WS MWS Reference Manual
4 Repairing the Sampler
Metering Seal and Plunger
Removing the
metering seal
1 In the user interface start the maintenance mode and select the “Change
Piston” function.
2 Open the front door
3 Remove the corrugated leak tubing
4 Remove the two capillaries from the analytical head (Use a 1/4 inch wrench
if you have a SST capillary or a 4 mm wrench if you have a fused silica
capillary).
5 Unscrew alternately the two fixing screws with the 4 mm hex key and remove
them.
6 Pull the analytical head away from the sampling unit.
7 Remove the two fixing screws from the base of the analytical head.
8 Remove the head body.
9 Using the piston, carefully remove the metering seal. Clean the chamber
and ensure all particular matter is removed.
When required When poor injection-volume reproducibility
When leaking metering device
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)
4 mm, 15 cm long, T-handle hex key 8710-2392 (supplied in accessory kit)
Small flat head screwdriver.
Parts required 5063-6589 Metering Seal (pack of 2) for the G1367-60003 100 µl Analytical
Head
5063-6586 Metering Plunger for the G1367-60003 100 µl Analytical Head
5022-2175 Metering Seal (pack of 1) for the G1377-60013 40 µl Analytical Head
5064-8293 Metering Plunger for the G1377-60013 40 µl Analytical Head
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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