Repairing the Sampler 4
1100 Series WS MWS Reference Manual 135
Installing the sampling unit
1 Mount the tray base onto the sampling unit. Ensure the tray base is
positioned flush against the sampling unit.
2 Tighten the locking screw 1/4-turn clockwise.
3 While holding the sampling unit and tray base, slide the leak sensor into the
holder in the leak plane.
4 Place the sampling unit and tray base into the sampler.
5 Slide the sampling unit and tray base forwards. Ensure the sampling unit
connector is seated correctly.
6 Install the sample transport assembly, (see “Installing the sample
transport" on page 133).
7 Connect the capillary, coming from the pump on port 1 and the one going to
the column compartment on port 6 of the injection valve (Use a 1/4 inch
wrench if you reconnect a SST capillary or a 4 mm wrench if you reconnect
a fused silica capillary).
8 Install the top cover, top plate, and foam (see “Top Cover and Foam" on
page 132).
9 Replace the plate tray in the tray base.
10 Turn ON the sampler, close the front door.
11 The system will reset automatically.
12 In the user interface perform a “Sample Transport Self Alignment”.
NOTE
The replacement sampling unit is supplied without injection valve and analytical head
assembly. If you are exchanging the complete sampling unit, remove the injection valve and
the analytical head from the defective sampling unit. Install the valve and analytical head in
the new sampling unit. See “Injection-Valve Assembly" on page 139 and “Metering-Drive
Motor and Belt" on page 141
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