After installing DWF Viewer 6, Should you encounter SCRIPT ERROR problems or problems with Schematic/PC Board links while using this ZEUS service manual, please install the DWF Viewer patch:

zeus_adv6patch.exe

Double click the zeus_adv6patch.exe file in the DWF Viewer 6 Patch folder.
After the installation screen opens, click "Next" to install the file.  
After installation completes, click "Finish".

Verify the ZEUS service manual works correctly. (If the manual is open, you will need to close the manual and reopen to verify.