Waters Xevo G2 QTof Operator's, Overview And Maintenance Manual page 14

Removal and refitting of the source enclosure .......................................... 5-7
Removing the source enclosure from the instrument .................................... 5-7
Fitting the source enclosure to the instrument............................................ 5-10
Installing and removing the corona pin .................................................... 5-11
Installing the corona pin in the source ......................................................... 5-11
Removing the corona pin from the source .................................................... 5-13
Operating the source isolation valve ......................................................... 5-14
Removing O-rings and seals ......................................................................... 5-17
Cleaning the instrument case ...................................................................... 5-17
Emptying the nitrogen exhaust trap bottle .............................................. 5-18
Inspecting the Varian roughing pump oil level ....................................... 5-20
Adding oil to the Varian roughing pump .................................................. 5-21
Replacing the Varian roughing pump's oil and oil mist filter ............. 5-23
Emptying the roughing pump's oil................................................................ 5-23
Replacing the oil mist filter........................................................................... 5-24
To fill the pump with oil ................................................................................ 5-26
Cleaning the source components ................................................................ 5-28
Cleaning the sampling cone assembly ....................................................... 5-29
Removing the sampling cone assembly from the source ............................. 5-29
Disassembling the sampling cone assembly................................................. 5-31
Cleaning the sample cone and cone gas nozzle ............................................ 5-34
Assembling the sampling cone assembly...................................................... 5-36
Fitting the sampling cone assembly to the source ....................................... 5-36
Cleaning the extraction cone ....................................................................... 5-38
Removing the ion block assembly from the source assembly ...................... 5-38
Removing the extraction cone from the ion block ........................................ 5-41
Cleaning the extraction cone......................................................................... 5-42
Fitting the extraction cone to the ion block.................................................. 5-44
Fitting the ion block assembly to the source assembly................................ 5-45
xiv Table of Contents