OHAUS DISCOVERY BALANCE, Руководство по обслуживанию

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CHAPTER 3 REPAIR PROCEDURES
3.2.2 Load Cell Disassembly
23. Gently lift the Ratio Beam out of the Load Cell
Note: The Ratio Beam is a critical part – handle with care!
Figure 3-60. Ratio Beam, removed from Load Cell.
3.2.3 Load Cell Cleaning
All parts should be inspected and cleaned. Pay special attention to the Magnet gap and Coil,
the Weights and Holders, the Up/Down Stop Plate, and the Temperature Sensor Tube.
Figure 3-61. Magnet gap and Temperature
Sensor Tube should be carefully examined
for dust and debris.
Figure 3-62. Coil Assembly should be
carefully examined and cleaned.
NOTE: Use Sticky Notes to clean the Magnet gap. DO NOT touch it with a cloth,
and DO NOT use a cleaning solution. For best viewing, use a fluorescent light with
magnifier lens.
Check to see if Flexures are bent or broken. Place the Flexure on a clean flat surface and check
that both sides rest evenly on the surface.
Ohaus Corporation www.ohaus.com 3-30 Discovery Balance Service Manual