Thermo 49i - Page 7

Contents
Thermo Fisher Scientific Model 49i Primary Standard Instruction Manual vii
Password Menu.....................................................................3-82
Set Password ......................................................................3-82
Lock Instrument ................................................................3-82
Change Password ...............................................................3-83
Remove Password...............................................................3-83
Unlock Instrument ............................................................3-84
Chapter 4 Preventive Maintenance ...............................................................4-1
Safety Precautions ...................................................................4-2
Replacement Parts...................................................................4-2
Outside Case Cleaning............................................................4-2
Optical Bench Cleaning ..........................................................4-2
Lamp Replacement .................................................................4-3
Monitoring Detector Frequencies and Noise...........................4-4
Increasing Lamp Output......................................................4-4
Monitoring Lamp Noise ......................................................4-5
Capillary Service......................................................................4-5
Pump Rebuilding....................................................................4-6
Leak Test and Pump Checkout ...............................................4-7
External Leaks......................................................................4-7
Solenoid Leaks ....................................................................4-8
Solenoid Leak Test...............................................................4-9
Chapter 5 Troubleshooting ..............................................................................5-1
Safety Precautions ...................................................................5-1
Troubleshooting Guides..........................................................5-2
Board-Level Connection Diagrams .........................................5-6
Connector Pin Descriptions....................................................5-8
Service Locations...................................................................5-21
Chapter 6 Servicing...........................................................................................6-1
Safety Precautions ...................................................................6-3
Firmware Updates...................................................................6-4
Accessing the Service Mode.....................................................6-4
Replacement Parts List............................................................6-4
Cable List................................................................................6-6
External Device Connection Components ..............................6-6
Removing the Measurement Bench and
Lowering the Partition Panel...................................................6-8
Fuse Replacement ...................................................................6-9
Pump Replacement...............................................................6-10
Fan Replacement...................................................................6-11
Analog Output Testing .........................................................6-12