1 692 106 011 2019-03-26| Robert Bosch GmbH
90 | HTD 6xx / HTD 8xx | Component replacementen
3. Open up the back of the light box.
4. Use a long screwdriver to remove the fastening
screws of the test screen bracket.
5. Remove the entire test screen assembly.
6. Insert and secure the new test screen assembly.
7. Reinstall the display unit.
8. Close the light box.
i See section „4.1 Zero point and laser visor –
HTD 6xx“