Table of Contents
Advertisement
2
Maintenance
Replacing the Conversion Dynode/Electron Multiplier Power Supply
Replacing the Conversion Dynode/Electron Multiplier Power Supply
88
Ion Trap Series Hardware Manual
a. Disconnect the analog PCB cable from the module.
b. Disconnect the two gas fittings.
c. Disconnect the foreline adapter tubing.
d. Remove the two screws holding the CI reagent gas flow module.
3. Install the new CI reagent gas flow module.
a. Use the two screws to attach the new CI reagent gas flow module.
b. Reconnect the foreline adapter tubing.
c. Reconnect the two gas fittings.
d. Reconnect the analog PCB cable.
4. Test the gas fittings for leaks.
a. Turn on the CI reagent gas supply.
b. Use a detector to check each fitting for leaks.
CAUTION INSTRUMENT DAMAGE. Do not use liquid soap leak detectors (such as
Snoop) to check for leaks. It may contaminate your system.
c. Repair leaks by tightening or replacing the connections until everything is leak-free.
5. Restore the mass spectrometer for operation.
a. Replace the covers.
b. Restart the system.
c. Once the mass spectrometer has pumped down and is operational, check for vacuum
leaks using the Automatic Tune.
To replace the conversion dynode and electron multiplier power supply, you will need:
• Conversion Dynode and Electron Multiplier Power Supply (PN 119377-0001)
• Screwdriver, Phillips #2
1. Prepare the mass spectrometer for maintenance.
a. Prepare a clean work area by covering the area with lint-free cloth.
b. Shut down and vent the mass spectrometer
WARNING - ELECTRICAL SHOCK HAZARD. Unplug the mass spectrometer before
proceeding.
c. Remove the front, top, and left covers as described in
page
24.
("Shutting Down"
on
page
"Removing the Covers"
16).
on
Thermo Scientific
Advertisement
Table of Contents
