Take a 3mm diameter shaft, put through the hole on the horizontal part of the backing, secure with two nuts on both the top and bottom of the backing. Put a washer on top of the nut before assemble the base of the load cell holder through the shaft. Align the three holes of the base and the backing with 2.5 diameter bolt preferably coach bolt whose threads are only at the bottom. Use the shaft as centre axis, locate the load cell and the top of the cover, rotate until the other set of three holes align with the base, secure with bolts and nuts. The nuts are sunk into the bottom of the base which can be used to help tighten the bolts. Put the coupling into the circular solt.
Put the motor into the cover and secure with four short bolts diameter 2.5mm. On the other hand, allocate the slider base into the cover and tighten a 3mm bolt into the nut sunk within the cover. Slide the slider base into the slider on the backing. Lastly, screw the spindle through the motor and push the 3mm diameter no thread side into the coupling. Tighten the screws on the coupling to prevent rotational motion. Apply glue into the vertical slots within the top of the load cell cover to secure the coupling in location.
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