Table Of Contents - Micromeritics TriStar II 3020 Maintenance Instructions Manual

Introduction ............................................................................................................................................ 1
Required Supplies .................................................................................................................................. 1
Initial Evaluation.................................................................................................................................... 2
Checking for Shipping Damage ..................................................................................................... 2
Verifying Power Up Sequence....................................................................................................... 2
Checking Components ................................................................................................................... 3
Maintenance (Power Disconnected) ...................................................................................................... 5
Cleaning the Instrument. ................................................................................................................ 5
Cleaning the Dewar........................................................................................................................ 5
Replacing Analysis Port Filters and O-rings.................................................................................. 6
Changing the Vacuum Pump Oil ................................................................................................... 7
Replacing the Alumina in the Oil Vapor Trap ............................................................................... 9
Changing the Vacuum Pump Exhaust Filter .................................................................................. 13
Maintenance (Power Connected) ........................................................................................................... 14
Reapplying Power .......................................................................................................................... 14
Lubricating the Elevator Screw...................................................................................................... 14
Calibration.............................................................................................................................................. 17
Zeroing the Pressure Transducers .................................................................................................. 17
Calibrating the Pressure Scale........................................................................................................ 18
Matching Transducers .................................................................................................................... 19
Calibrating the 10-mmHg Pressure Transducer (10-mmHg units only) ........................................ 20
Calibrating the Servo Valve ........................................................................................................... 21
Calibrating the Temperature........................................................................................................... 22
Calibrating the Volume .................................................................................................................. 24
Performing a Volume Chamber Analysis ...................................................................................... 27
Operational Verification......................................................................................................................... 29
Performing a Blank Analysis ......................................................................................................... 29
Performing a Leak Test (Optional) ................................................................................................ 31
Performing a Reference Material Analysis .................................................................................... 34
Jun 09

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