Zeiss EVO - Page 123

ZEISS 7 Troubleshooting | 7.2 Column
This procedure consists of the following steps:
Tungsten
Filaments pre-
aligned
1. Venting the Gun and the Specimen Chamber [
} 124]
2. De-energizing the Microscope [
} 125]
3. Disassembling the Gun [
} 126]
4. Disassembling the Firing Unit [
} 127]
5. Cleaning the Firing Unit [
} 128]
6. Cleaning the Anode [
} 130]
7. Unpacking a New Filament Holder | Tungsten Filament (Pre-Aligned) [
} 132]
8. Installing the Filament Holder to the Firing Unit [
} 137]
9. Installing the Brass Retaining Washer | Tungsten (Pre-Aligned) [
} 138]
10. Reinstalling the Firing Unit to the Gun [
} 142]
11. Reinstalling the Gun to the Microscope [
} 143]
Tungsten
Filaments not-pre-
aligned
This procedure also applies to the replacement of LaB₆ filaments with tungsten filaments.
1. Venting the Gun and the Specimen Chamber [
} 124]
2. De-energizing the Microscope [
} 125]
3. Disassembling the Gun [
} 126]
4. Disassembling the Firing Unit [
} 127]
5. Cleaning the Firing Unit [
} 128]
6. Cleaning the Anode [
} 130]
7. Disassembling the Filament Holder | Tungsten (Not Pre-Aligned) and LaB₆ [
} 133]
8. Unpacking a New Filament | Tungsten (Not Pre-Aligned) [
} 134]
9. Installing the Filament to the Filament Holder | Tungsten (Not Pre-Aligned) and LaB₆ [
} 136]
10. Installing the Filament Holder to the Firing Unit [
} 137]
11. Installing the Brass Retaining Washer | Tungsten (Not Pre-Aligned) [
} 139]
12. Reinstalling the Firing Unit to the Gun [
} 142]
13. Reinstalling the Gun to the Microscope [
} 143]
LaB₆ Filaments
1. Venting the Gun and the Specimen Chamber [
} 124]
2. De-energizing the Microscope [
} 125]
3. Disassembling the Gun [
} 126]
4. Disassembling the Firing Unit [
} 127]
5. Cleaning the Firing Unit [
} 128]
6. Cleaning the Anode [
} 130]
7. Disassembling the Filament Holder | Tungsten (Not Pre-Aligned) and LaB₆ [
} 133]
8. Unpacking a New Filament | LaB₆ [
} 135]
9. Installing the Filament to the Filament Holder | Tungsten (Not Pre-Aligned) and LaB₆ [
} 136]
10. Installing the Filament Holder to the Firing Unit [
} 137]
11. Installing the Brass Retaining Washer | LaB₆ [
} 141]
12. Reinstalling the Firing Unit to the Gun [
} 142]
13. Reinstalling the Gun to the Microscope [
} 143]
14. Starting up the LaB₆ Filament for the First Time [
} 144]
15. Aligning the Emission Image [
} 145]
Instruction Manual ZEISS EVO | en-US | Rev. 10 | 354706-0780-006 123