Bottom Housing With Load Cell, Weight Arms And Weights Removed - OHAUS PA64 Service Manual

CHAPTER 3 MAINTENANCE PROCEDURES
3.3.13 Removing Internal Calibration Weights and Components
3. Remove the Load Cell.
(See Section 3.3.14.)
4. Remove the two screws
that secure the Weight
Lifter to the base. See
Figure 3-50.)
5. Take out the Weight
Lifters.
6. Remove the screws that
secure the InCal Motor
Assembly to the base.
7. Lift out the InCal Motor
Assembly from the base.
Carefully free the InCal
Motor's ribbon cable from the groove in the base.
8. Remove the screws and washers
that secure the InCal Motor to the
assembly.
9. Note the position of the InCal Motor
Cam as it is removed. Be sure the
Cam is in the same position when
the mechanism is reassembled.
See Figure 3-52.)
Figure 3-52. InCal Motor Cam in
correct position for reassembly.
Before reinstalling the InCal mechanism, be sure all of its components are clean and free of
debris. If the InCal Motor or its Cam is defective, it must be replaced.
Ohaus Corporation www.ohaus.com
Screws holding
Weight Lifters
Figure 3-50. Bottom Housing with Load Cell,
Weight Arms and Weights removed.
Figure 3-51. InCal Motor removed
from its assembly.
3-20 Pioneer™ Balances Service Manual