Editing Step 172 —

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Next we will use one of the button head screws, one of the nylon lock nuts, and the spike washer from the upper hardware pack.

Working on the duet side of the upper frame as shown in Pic 2, you will insert the button head screw through the hole pointed out with the arrow in Pic 2, from the under side you will insert the spike washer with the spikes facing the sheet metal, followed by the ring terminal from the green wire installed earlier, followed by the lock nut.

Tighten the lock nut to secure the upper plate and ring terminal to the machine and attach the upper frame to the upper plate.

Pic 3 shows the button head screw coming through the upper plate and upper frame, followed by the spike washer, ring terminal, and lock nut. Fully tighten to secure.

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