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Need a diagram for this overcomplicated machine

Need a diagram for this grossly overcomplicated machine (no output after an electric water pump switched itself off after all the water was pumped). Replaced ''blown'' delta capacitor but still negligible output of 2 volts per coil or winding. When field winding of 230 ohms is excited with a 12 volt car battery, voltage is produced briefly as engine starts up but voltage then dies away. Tried Chinese-copy regulator but still no output. Now noticed other black boxes as well. What are they for? Actual alternator is a Sawafuji M50.

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Will probably bin it. Long experience shows that the ONLY alternators worth having are the British made Newage-Markon which IMHO are superior to both Sawafuji and Mecc-Alte. Voltage Dependent Resistors (VDRs) also known as Transorbs are essential if long term reliability is desired from small gensets. Haverhill Generators get around the voltage spike problem another way - 8 microfarads across the output but one Haverhill generator that I repaired had vibrated apart its control box wiring and fan. These little machines all leave a lot to be desired unfortunately and seem to give endless trouble.

Posted on Jul 31, 2009

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If the oven is grossly underheating or overheating, then you probably have a bad magnetron.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

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