3 Maintenance Procedures
96 September 26, 2013, 715004208 Rev. A
Replacing the vent-valve cartridge
Required materials
• Gloves: clean, powder-free, chemical-resistant
• Vent-valve cartridge
Required tools
• 1/4-inch, open-end wrench
• Allen wrench, 2-mm (startup kit)
To replace the vent-valve cartridge:
1. In the Instrument console, from the system tree select ISM.
2. In the ISM information window, click Interactive Display.
3. In the ISM Interactive Display dialog box, click Control .
4. Ensure the vent valve is set to the Vent position.
Tip: To change the setting to Vent, click the underlined vent-valve
position, and select Vent.
Warning: To prevent injury, always observe Good Laboratory Practices
when you handle solvents, change tubing, or operate the ISM. Consult
the Material Safety Data Sheets regarding the solvents you use.
Caution: To avoid spreading contamination, wear clean,
chemical-resistant, powder-free gloves when replacing the vent-valve
cartridge.
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