Service information
9
Figure 4-2. Load Cell Wiring Diagram
3. Ensure the threaded holes for the load cell screws are free of debris. Use compressed air to clear the holes,
if necessary.
4. Position the load cell with alignment arrow pointing up toward the deck and loosely install the provided
hex head cap screws.
5. Tighten all bolts with a torque wrench to 75 ft-lb (2500 to 5,000 lb capacity scales).
6. Route the load cell cable near each corner so the cable is free from possible contact with each foot.
7. Hold the cable in position with the adhesive-backed cable ties supplied in the hardware kit.
Do not cut the load cell cables. Coil extra cable before it enters the junction box, tie with cable
ties, and insert the coils into the channel near the junction box.
8. Pass each individual end of load cell cable through its grommet in the junction box cover (or through cable
fittings in the NEMA Type 4X junction box).
9. Corner correction trimming and calibration is necessary after load cell replacement. Follow the
instructions in Section 3.2 on page 6 and Section 3.3 on page 7.
4.3.3
Load Cell Wiring to the Junction Box
The four load cells are each wired to their respective terminal in the junction box in accordance with the corner
numbering system shown in Figure 4-2, and the coloring code in the load cell specifications.
When using the NEMA Type 4X stainless steel junction box with strain relief hubs:
1. Pull the excess cable out of the junction box enclosure.
2. Tighten the strain relief hubs with a wrench.
To be watertight, the hubs must be tightened to the point where the rubber sleeving begins to protrude out
of the hub.
3. Pull on each of the four cables to ensure they do not slip.
See load cell specifications for proper color code wiring information.
Out to
Indicator
3
2
4
1
Isometric Top View
Bottom View
Alignment Arrow
Important
Note
