Removing Internal Calibration Weights; Servicing The Internal Calibration Mechanism - OHAUS PA64 Service Manual

3.3.3 Removing Internal Calibration Weights

Follow these steps to remove the InCal Weight Covers, and Weights:
1. Remove the screws that
hold the Weight Covers on
both sides of Load Cell.
2. Lift off the Weight Covers,
and lift out each of the
Weights. (See Figure 3-10.)
3. Remove the Load Cell:
Remove the three screws
holding the Load Cell in
place, as shown in Figure
3-16, on page 3-7.
4. Lift out the Load Cell from
the base. Be careful not to
touch the top or bottom
Flexure Arms.

3.3.4 Servicing the Internal Calibration Mechanism

1. Follow the steps in Section
3.3.3, to remove InCal
Weights and Load Cell.
2. Remove the two screws
that secure the Weight
Lifter to the base.
(See Figure 3-11.)
3. Take out the Weight Lifter.
4. Remove the two screws
that secure the InCal
Motor Assembly.
5. Lift out the InCal Motor
Assembly. Carefully free
the InCal Motor's ribbon
cable from the groove in
the Housing. (Disconnect
the cable's plug from the
PCB on the front of the
balance.)
Pioneer™ Balance Service Manual
CHAPTER 3 MAINTENANCE PROCEDURES
InCal
Weights
Figure 3-10. InCal Weight Cover removed.
If Load Cell is to be disassembled see Section 3.3.2.
Screws holding
Weight Lifters
Figure 3-11. Bottom Housing with Load Cell,
Weight Arms and Weights removed.
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