TSI Instruments Aerotrak 9303 - Start Sampling

General Maintenance–Model 9303 2-11
Op t ic s Bloc k C leani n g
To clean the Optics Block, you will have to remove it, follow cleaning
procedure and then reinstall it.
Optics Block Removal
1. Open the case (See Opening the Case), remove the display (see
Display Replacement) and main board (see Main Board Removal and
Install).
2. Remove sampling inlet.
3. Remove the two 2.5-mm
socket head cap screws
holding the optics block
into the Model 9303.