Fairbanks PC2250 Utility Software - Manual (Page 87)

Section 5: Parts Replacement
11/10 19 51233 Rev. 4
Junction Box Replacement Steps
1. Remove power to the instrument.
2. Open the platform access cover, then the junction box cover.
3. Loosen all gland bushing nuts.
4. Place wire markers on all the load cell cable ends.
5. Disconnect the load cells' wires from the terminal blocks.
6. Disconnect the homerun wires.
7. Remove the PCB, clean the junction box, then install the new PCB.
8. Reconnect all load cell and home-run wires to the new PCB.
9. Tighten all gland bushing nuts.
10. Replace the junction box cover, and torque all screws to 18-20 in/lbs .
11. Recalibrate the unit as necessary, including corner adjustments.
12. Replace the platform access cover.
Foot Assembly Replacement Steps
1. Lift the platform end with a forklift or heavy pry bar using wood blocks for safety.
2. Using a standard screwdriver, unscrew the foot assembly.
3. Replace the Foot Assembly, using anti-seize on the screws attaching to the load cell.
4. Lower the scale to the surface removing the safety blocks.
5. Distribute the scale’s weight evenly by all four (4) feet.