OHAUS Adventurer Pro Balances, Service Manual

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3-21
CHAPTER 3 REPAIR PROCEDURES
3.2.8 InCal Motor Removal/Replacement (Cont.)
InCal Motor Replacement
1. Refer to Figure 3-26 and gently rotate the InCal Mechanism to lower the InCal Weight and
rotate in the opposite direction to raise the InCal Weight. If the operation is not smooth,
replace the entire InCal Mechanism.
Figure 3-26. Checking Shaft Rotation on InCal Mechanism.
2. See Figure 3-27, with Incal Weight in upper
most (high) position, the Motor Coupler
should be in the position as shown.
Motor
Coupler
Figure 3-27. Motor Coupler.
3. Remove the screw and Coupler from the old InCal Motor.
4. On the replacement Motor, install the screw and Coupler, then rotate the Motor shaft by hand
until the shaft is in a fully counter-clockwise position as shown in Figure 3-28. The Coupler
should be in the position as shown, if not, remove the screw and coupler. Reposition as
shown in Figure 3-28, tighten the screw on the Motor shaft. Rotate the Motor shaft in a full
clockwise position. The Motor shaft should be positioned as shown in figure 3-29. If the
positions are not correct, remove and reposition the Coupler again.
Figure 3-28. Motor Shaft in CCW Position.
Figure 3-29. Motor Shaft in CW Position.
Correct Angle
Correct Angle
Coupler Screw
InCal Weight