CHAPTER 3 MAINTENANCE PROCEDURES
Pioneer
™ Balance Service Manual
3-7
Ohaus Corporation www.ohaus.com
3.3.6 Disassembly of Precision Balances with InCal Mechanism
3. Hold the top and bottom of the
Hanger when removing the Weight
Arm assembly as illustrated in
Figure 3-14.
Note:
Avoid touching the top and
bottom Flexure arms
.
4. Very carefully remove the screws
shown in Figure 3-13, and lift off
the Weight Arm assembly, while
continuing to hold the Hanger.
5. When reinstalling the InCal Weight
Arm assembly, follow Steps 1
through 5, in reverse.
Figure 3-14. Proper manner to grasp Load
Cell when removing Weight Arm assembly.
3.3.7 Removing the Load Cell
– Precision Balances without Internal Calibration
1. Open the balance, as explained in
Section 3.2.1.
2. Carefully unplug the cable that
connects the Main PCB to the
Position Sensor Board.
(See Figure 3-15.)
3. Remove the three screws holding
the Load Cell in place
– recessed in
the middle of the Load Cell.
(See Figure 3-16.)
Figure 3-15. Cable connects to Position
Sensor Board.
4. After removing the three screws,
carefully lift the Load Cell out of
the base.
It is now possible to disassemble the Load Cell
for cleaning, alignment, or replacing parts.
Figure 3-16. Access the 3 screws to release
Precision balance Load Cell from top center.
Summary of Contents for Pioneer PA64
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