Hi-Target HTS-420R - Important Operational Notes; Temperature and Storage Precautions; Battery Handling for Long-Term Storage; Transport and Setup Precautions

HTS-420R Maintenance Manual
Contents
Disassembly of Main Parts ............................................................................................................................. 1
Handle Unit ............................................................................................................................................ 2
Display Unit (Face 2) ............................................................................................................................... 2
EDM board ............................................................................................................................................. 2
Mainboard ............................................................................................................................................. 4
Electric Brush ......................................................................................................................................... 4
EDM Module .......................................................................................................................................... 5
Long Vial ................................................................................................................................................ 5
Horizontal Tangent Screw Unit ............................................................................................................... 6
Vertical Tangent Screw Unit .................................................................................................................... 6
Eyepiece ................................................................................................................................................. 7
Common maintenance items ......................................................................................................................... 8
List of Common Maintenance Items....................................................................................................... 9
Maintenance Operations ........................................................................................................................ 9
1. Long vial calibration .................................................................................................................... 9
2. Circular vial alignment .............................................................................................................. 10
3. Telescope reticle alignment ...................................................................................................... 10
4. Collimation Error Calibration (2C Calibration) .......................................................................... 11
5. Index Error Calibration (2I Calibration) ..................................................................................... 12
6. Compensator zero position alignment ..................................................................................... 13
7. Compensator linearity calibration (calibration by software) .................................................... 13
8. Laser plummet alignment ......................................................................................................... 14
9. EDM laser beam alignment ...................................................................................................... 15
10. EDM Laser Replacement ......................................................................................................... 16
11. Filter Motor Replacement ...................................................................................................... 16
12. Prism/No Prism Switch Motor Replacement .......................................................................... 17