Pelouze / Rubbermaid / Dymo model 4010 Scale Repair

Repairing a dodgy "On" button on the Pelouze 4010 digital scale.

This scale consists of a separate weighing platform and a remote LCD display. It can be powered by a 9V battery or a 9VDC power jack. Since it's set up to auto power off to conserve the battery, the ON button gets used a lot. Over time, that button became harder to actuate to the point I couldn't turn the scale on.

The display PCB uses tactile dome switches that are pressed by little plastic pins on flexible parts of the cover. Those pins only press in the center of the metal dome and it seems that point under the dome is no longer making contact. So the fix was to enlarge the area of the pin to press on a larger portion of the dome. Also, added a bit of height to the support tower on the back side of the case to prevent the PCB from flexing.

Not sure which is the main company, if anyone knows the back story, post up in the comment section below. There are identical scales out there with Pelouze, Rubbermaid and even Dymo by Pelouze branding:
https://www.rubbermaidcommercialproducts.com/foodservice/rubbermaid-scales-and-thermometers/

Then, if that's not confusing enough, the display (and perhaps the weighing platform) seems to be manufactured by Healthometer, Inc:
https://www.healthometer.com/
The final units are then branded with custom graphics on the face of the display.

More to come...
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Intro/Outro:
Louisiana Fairytale by Austin Rogers
https://web.archive.org/web/20170402222425/http://drfiddle.com/show_tune.php?id=94
#repair #pelouze #scale