OHAUS DISCOVERY BALANCE, Руководство по обслуживанию

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CHAPTER 3 REPAIR PROCEDURES
3.2.4 Load Cell Disassembly
Load Flexure
Aluminum
washers
Steel
washers
Screws
Figure 3-42. Load Cell with Load Flexure,
2 screws and 4 washers removed.
NOTE: All Flexures must be perfectly straight . If they are even slightly bent they
need to be replaced for the balance to function properly.
9. Set Load Cell on its feet and remove the top Flexure Arm, by removing the 3 screws.
Figure 3-43. Flexures can be removed from
Flexure Arm after removing Flexure Arm from
Load Cell frame.
Screws connecting Flexure
Arm to Load Cell frame.
Screws
Washers
Flexures
Figure 3-44. Removing the top Flexure Arm.
10. Before removing the bottom Flexure Arm, secure the Ratio Beam by installing the
threaded rod, as illustrated in Figure 3-48. Then turn the Load Cell over, as shown in
Figure 3-76, and remove the bottom Flexure Arm, as in Step 9.
NOTE: When handling the Flexure Arms, use care to prevent bending the Flexures.
11. Carefully examine each Flexure to see if it is bent. If uncertain, place the Flexure on
a clean flat surface and check that both sides rest evenly on the surface. If a Flexure
is bent even slightly, it must be replaced.
Ohaus Corporation www.ohaus.com 3-24 Discovery Balance Service Manual