Table of Contents xiii
4 Optional APCI Mode of Operation ..................................................... 4-1
Atmospheric pressure chemical ionization ................................................ 4-2
IonSABRE APCI probe .................................................................................... 4-2
Installing the IonSABRE APCI probe .......................................................... 4-3
Installing the corona pin ................................................................................. 4-6
Removing the corona pin ................................................................................ 4-6
Removing the IonSABRE APCI probe ......................................................... 4-7
5 Maintenance Procedures ..................................................................... 5-1
Maintenance schedule ..................................................................................... 5-3
Spare parts ......................................................................................................... 5-5
Safety and handling ......................................................................................... 5-5
Preparing the instrument for work performed on the source ............... 5-6
Operating the source isolation valve ........................................................... 5-7
Removing O-rings and seals ........................................................................... 5-9
Cleaning the instrument’s exterior ............................................................ 5-10
Emptying the exhaust trap bottle ............................................................... 5-10
Emptying the roughing pump exhaust liquid trap bottle ..................... 5-12
Gas ballasting the roughing pump ............................................................. 5-14
Gas ballasting a pump fitted with a screwdriver-operated
gas ballast valve....................................................................................... 5-15
Gas ballasting a pump fitted with a handle-operated gas ballast valve .... 5-16
Checking the roughing pump oil level ....................................................... 5-17
Adding oil to the roughing pump ................................................................ 5-17
Cleaning the source components ................................................................ 5-19