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Help with motor from old grain mill
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<blockquote data-quote="Baffledron" data-source="post: 523615" data-attributes="member: 34652"><p>Hi,</p><p></p><p>Recently I bought a on old grain mill (c.1960) as a restoration project. The mill itself just needs a clean up and a couple of bearings to be replaced.</p><p></p><p>It's run from an old Newman electric motor, I'm guessing from its size (500mm overall length and weighs a ton) that it's about 5hp or 7.5hp. I'm guessing because the motor id/spec plate is not present (the rivet holes are though). </p><p></p><p>This is why I'm here!!</p><p></p><p>When I bought the mill it was already wired up to a DOL switch (MEM 252 ALS) and an isolator with a mixture of T&E, 3 core armour and 4 core armour. The chap I bought it from was selling it for his mother and he had never seen it running.</p><p></p><p>In my work as a joiner I've occasionally had to repair/service the single and three phase motors on my machines, but without the id plate I'm not sure what the motor on the mill is.</p><p></p><p>Presumably it's single phase, there's no capacitor so is it a split phase type?</p><p></p><p>You can see from the photos of the connector block on the motor that I've cut the connecting wires (red, black, yellow). The four labelled terminals are A1 A2 A3 and A4.</p><p></p><p>From the photos can any of you knowledgeable folk tell me more about it?</p><p></p><p>Is there a Newman Industries database archive?</p><p></p><p>Any help would be much appreciated.</p><p></p><p>Thanks </p><p></p><p>Ron</p></blockquote><p></p>
[QUOTE="Baffledron, post: 523615, member: 34652"] Hi, Recently I bought a on old grain mill (c.1960) as a restoration project. The mill itself just needs a clean up and a couple of bearings to be replaced. It's run from an old Newman electric motor, I'm guessing from its size (500mm overall length and weighs a ton) that it's about 5hp or 7.5hp. I'm guessing because the motor id/spec plate is not present (the rivet holes are though). This is why I'm here!! When I bought the mill it was already wired up to a DOL switch (MEM 252 ALS) and an isolator with a mixture of T&E, 3 core armour and 4 core armour. The chap I bought it from was selling it for his mother and he had never seen it running. In my work as a joiner I've occasionally had to repair/service the single and three phase motors on my machines, but without the id plate I'm not sure what the motor on the mill is. Presumably it's single phase, there's no capacitor so is it a split phase type? You can see from the photos of the connector block on the motor that I've cut the connecting wires (red, black, yellow). The four labelled terminals are A1 A2 A3 and A4. From the photos can any of you knowledgeable folk tell me more about it? Is there a Newman Industries database archive? Any help would be much appreciated. Thanks Ron [/QUOTE]
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