3-14
CHAPTER 3 REPAIR PROCEDURES
3.2.5 Strain Gauge Load Cell Replacement with InCal
Load Cell Kits are available for replacement purposes for all AV model balances. Each Kit is fully
assembled and consists of metal base plate, a Load Cell mounted to the base plate and a package of
labels. All adjustments such up stop and down stop (limits travel of the Load Cell to safe limits) have
been factory set. Check the label on the balance and verify the capacity and model before ordering
a new load cell kit. Figure 3-12 illustrates a typical strain gauge location.
NOTE: Strain gauge load cells are supplied with calibration weights and drive mechanism. The
calibration drive mechanism is also available separately.
Load Cell Removal
CAUTION
Extreme care must be exercised so as not to twist or
deform the Load Cell in any way. Do not drop or hit the
Load cell. Any damage to the Load Cell can render it
inoperative.
2. Install the replacement Load Cell using the 4 screws previously removed and connect the
flexible cables. NOTE: Load cells with internal calibration contain a power cable to the
calibration motor drive mechanism.
3. Replace the Load Cell Shield over the Load Cell. Press firmly into place.
4. Reassemble the balance.
5. See Appendix C, Adventurer Pro Service Tools and follow instructions for replacing Load
Cell.
1. Remove the balance cover in accordance
with the procedures in paragraph 3.2.1.
2. Remove the Load Cell Shield by grasping
the sides and pulling upwards.
3. Remove the 4 screws and washers that
secure Load Cell to the Bottom Hous-
ing. See Figure 3-12. Remove the Load
Cell.
4. Disconnect the cable(s) from the Load
Cell.
Load Cell Installation
1. Refer to paragraph 4.4 and check and
adjust if necessary the up and down stops.
Figure 3-12. Removing Strain Gauge Load Cell.
Load Cell
Mounting Screws (4)
Load Cell
Assembly
Shield
Cable
Connectors
Bottom Housing
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