OHAUS Adventurer Pro Balances, Service Manual

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3-36
CHAPTER 3 REPAIR PROCEDURES
3.2.14 Installing the Ratio Beam (Cont.)
10. Insert the Centering Pins. See Figures 3-44 and 3-45.
11. Refer to Figure 3-48 and hold the screw head while tightening the nuts for InCal Weight Arm.
12. Refer to Figure 3-46 while holding the screws, tighten the nuts on the Ratio Beam Arm.
13. Refer to Figure 3-61 and turn the adjusting screw
to it's original position, approximately 45
degrees.
14. Refer to Figure 3-53 and remove the centering
pins.
15. Refer to figure 3-53 and make sure that the ratio Beam coil is centered in the Magnet
assembly. If the coil is not centered, inspect the centering ring, loosen the Ratio beam nuts
and repeat from step 12.
16. Refer to Figure 3-62 and remove the contact board screw (a) and place as shown in (b).
Be very careful not to break the fine contact wires on the board.
Figure 3-61. Adjusting Screw Alignment.
Vertical Adjusting
Screw
Figure 3-62. Repositioning the Contact Board and Screw.
(a)
(b)
Contact Board screw
Contact Wires
Contact Board