Block Style Load Cell Removal & Replacement; Progressive Disassembly Of Block Style Load Cells - OHAUS PA64 Service Manual

3.3.20 Block Style Load Cell Removal & Replacement with Load Cell kit
Use the following procedure to replace a Block Style Load Cell using a Load Cell kit.
1. Remove the Top Housing. (See Section 3.2.1.)
2. Remove the Load Cell Shield by grasping the sides and pulling upwards.
3. Remove the four screws and washers that secure Load Cell to the Bottom Housing.
Remove the Load Cell.
Disconnect the cable(s).
4.
5. Install the replacement Load Cell using the four screws previously removed and
connect the flexible cables.
6. Replace the Load Cell Shield over the Load Cell. Press it firmly into place.
Reassemble the balance.
7.
8. Follow the instructions in Appendix C for installing the Load Cell.
9. Re-calibrate the balance following instructions in Appendix B, Service Calibration.
10. Re-calibrate the balance following instructions in Appendix A, Standard Calibration.
Check the performance of the balance using tests in Chapter 4.
11.

3.3.21 Progressive Disassembly of Block Style Load Cells

Use the following procedures for progressive disassembly of Block Style Load Cells. When the
defective part is reached, replace it as described. But note that the procedures are not meant to
be stand-alone – you must complete each step.
The following steps require the Block Style
Service Toolset. (See Figure 3-98.)
Exercise extreme care not to twist or
deform the Load Cell in any way. Do
not drop or hit the Load Cell. Serious
damage to the Load Cell can make it
necessary to replace the Load Cell.
Pioneer™ Balance Service Manual
CAUTION:
CHAPTER 3 MAINTENANCE PROCEDURES
Figure 3-98. Service Toolset for Block Style
Load Cells. PN 30020425.
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3- Ohaus Corporation www.ohaus.com