Install the Needle Assembly
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For bio-inert modules use bio-inert parts only! |
| For biocompatible modules use bio / biocompatible parts only! Do not mix with bio-inert parts. |
When
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Tools required
Qty. | p/n | Description | |
|---|---|---|---|
1 |  | 8710-0510 | Open-end wrench 1/4-5/16 inch |
Parts required
Qty. | p/n | Description | |
|---|---|---|---|
1 | | G4267-87201 | Needle Assembly OR |
1 | | G4267-87210 | Needle Assembly (slotted) for high injection volumes |
1 | | G5668-87200 | Bio-inert Needle Assembly (for G5668A) |
1 | | G7137-87201 | Needle Bio-compatible (for G7137A) |
Prerequisites
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WARNING
Risk of injury by uncovered needle
An uncovered needle is a risk of harm to the operator.
- Do not open the safety lock of the needle assembly
- Be careful working at the z-robot.
- Wear safety goggles, when removing the needle assembly.
NOTE
It is recommended to always exchange the needle assembly and the needle seat at the same time to prevent premature leakage.
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CAUTION
Blockages inside of the needle assembly union
- Do not overtighten the fitting. A quarter turn should be sufficient.
Use a 1/4 inch wrench to tighten the fitting of the loop capillary.
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In the Local Controller close Change needle /seat.
OR
In the Agilent Lab Advisor software Change needle/loop , click Back and wait until the needle assembly is in the needle park station.
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Perform a Pressure Test.
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