rustynails
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Thanks very much to Gromit for the excellent solution (and hi_ryder for more great pictures). Soldering in the replacement ceramic resistors fixed mine. Unbelievably quiet. Fan speed 1 was so quiet I thought it wasn't even blowing at first. Use the steps in the first post then use Gromit or hi_ryder's pictures to put the resistors in the correct position. My fan has only ever worked on speeds 3 and 4 since I bought it. Whole thing start to finish took about 1 and 1/2 hours, most time consuming part was trying to get the cage apart (use a flat-blade jewelers screwdriver). And I had a dodgy soldering iron so took longer than normal. Only tips I can add are:
* the nylon nuts below the wiper arms that hold the guard on are 25mm socket to remove
* go carefully with the thin plastic shielding piece as it's so old it'll easily crack (just seal cracks with silicone if that happens)
* twist the legs of each pair of resistors together before soldering in
* you WILL have to also remove the rubber seal (that the bonnet closes against) as that holds down the forward edge of the thin plastic shield piece - just lifts off easily
* the resistors Gromit described were in stock at Jaycar and still only 40 cents each.
If you have basic wrench-turning skills and basic soldering skills this is prob about an hour's work for most people and the mentioned $1.60 price vs. the $50-60+ I saw on eBay. Since you have to do all the disassembly/re-assembly steps ANWAY if you replace with a new unit, if you have the patience to take the cage apart and solder the resistors in, that's all the extra work you need to do and is the way to go. Thanks again. Wish I'd known about this years ago!
* the nylon nuts below the wiper arms that hold the guard on are 25mm socket to remove
* go carefully with the thin plastic shielding piece as it's so old it'll easily crack (just seal cracks with silicone if that happens)
* twist the legs of each pair of resistors together before soldering in
* you WILL have to also remove the rubber seal (that the bonnet closes against) as that holds down the forward edge of the thin plastic shield piece - just lifts off easily
* the resistors Gromit described were in stock at Jaycar and still only 40 cents each.
If you have basic wrench-turning skills and basic soldering skills this is prob about an hour's work for most people and the mentioned $1.60 price vs. the $50-60+ I saw on eBay. Since you have to do all the disassembly/re-assembly steps ANWAY if you replace with a new unit, if you have the patience to take the cage apart and solder the resistors in, that's all the extra work you need to do and is the way to go. Thanks again. Wish I'd known about this years ago!