CHAPTER 3 REPAIR PROCEDURES3.2.4 Load Cell Assembly5.20. Remove Brass Rod and check vertical centering over Temperature SensorTube and around Magnet.5.21. Tighten screws on yoke, checking again to ensure Ratio Beam remainscentered.5.22. Re-tighten Threaded Rod.5.23. Re-install Hanger and Thumb screws, and Brass Rod, and re-check centering.NOTE: Repeat the process as necessary to ensure that the Ratio Beam is centered.6. Re-check that everything is assembled properly.7. Remove the Brass Rod and Threaded Rod and ensure that the Ratio Beam movesup and down without binding.8. When satisfied that the Ratio Beam moves correctly, reinstall the Brass Rod andThreaded Rod.9. Install the Hanger with the Brass Fixture and the Thumb Screws from the ServiceToolset. The Brass Fixture is inserted between the Hanger and the frame of theLoad Cell. Use the Brass Brackets from the Service Toolset to position it properly.Then tighten the Thumb Screws.10. Double-check that the Ratio Beam is centered. Repeat process as necessary.NOTE: The Hanger should be positioned evenly around the Ratio Beam.The Hanger’s left and right gap areas should be even when it is installed correctly.Right gap areaLeft gap areaRight sideBracketLeft sideBracket BrassFixtureHangerFigure 3-67. Hanger installed, with Brass Fixtureand Brass Brackets.Ohaus Corporation www.ohaus.com 3-34 Discovery Balance Service Manual
