136 1100 Series WS MWS Reference Manual
4 Repairing the Sampler
Analytical head
Removing the analytical head
1 In the user interface start the maintenance mode and select the “Change
Piston” function.
2 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).
3 Alternately unscrew the two hex screws which maintain the analytical head
with the 4 mm hex key.
4 Remove the analytical head.
Installing the analytical head
1 Install the new analytical head on the sampling unit
2 Install and tighten alternately the two hex keys which fix the injection valve
assembly.
3 Alternately tighten the two fixing screws with the 4 mm hex key.
4 Connect the two capillaries on 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 Close the front door.
6 In the user interface close the “Change Piston” function and exit the
maintenance mode.
When required When defective.
Tools required 4.0 mm, 15 cm long, T-handle hex key 8710-2392 (supplied in accessory kit)
1/4 inch-5/16 inch wrench 8710-0510 (supplied in accessory kit)
4 mm open end wrench 8710-1534 (supplied in accessory kit)
Parts required Analytical Head assembly (100 µl) for G1367/68A
Analytical Head assembly (40 µl) for G1377/78A
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