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5
Maintenance
Replacing the nitrogen gas filters
Replacing the nitrogen gas filters
Schedule
Yearly, or when flagged by EMF.
Equipment List
• 2 1/2-inch OD Mounting Clip for Big Universal Trafps (2/pk) - Part number
• RMSN—4 1/4-inch Nitrogen
Steps
Before installing the trap, make sure the system is free of leaks and the system is
NOTE
generally in good working order.
• Maximum operating pressure is 250 PSIG.
• Maximum operating temperature is 100 °C.
• Maximum flow rate is 8 liters per minute.
If you are using stainless steel tubing, please order the purifier with stainless
C AU T I O N
steel fittings RMSH-2-SS or RMSH-4-SS. Using brass fittings with stainless
steel tubing increases the risk of cross-threading.
1 Shut down your LC/MC or reduce the GC heated zone temperatures.
2 Set the gas source supply pressure to 10–15 psi and maintain flow in the gas
source line before disconnecting it from the inlet of the old trap.
3 Remove the protective nut and plug from the INLET end of the new trap. DO
NOT open the plug on the OUTLET end.
4 Immediately attach the new trap to the gas source tubing using one of the
included ferrule sets.
Failure to connect the trap immediately may cause contamination of the
C AU T I O N
adsorbents inside. Reduced adsorption capacity will contribute to elevated
levels of contaminants observed by the detector. This may result in the need
for additional purge time.
105
UMC-5-2
Agilent Triple Quadrupole LC/MS System User Guide
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