CHAPTER 3 REPAIR PROCEDURESRemoving and Replacing Calibration AssemblyNote:Observe the cam position, as in Figure 3-20. This is the rest position.Replicating this position when installing the new Calibration Motor Assemblywill make installation easier.Figure 3-19. Calibration Motor Assembly Figure 3-20. Calibration Motorclose-up, showing cam in restposition3. Install new the Calibration Motor Assembly. Re-insert the 2 screws previouslyremoved.4. Replace Load Cell Cover following Section 3.2.1 in reverse order.Ohaus Corporation www.ohaus.com 3-14 Discovery Balance Service Manual