From: charlie@xxx.net   
      
   On Mon, 08 Aug 2022 18:15:55 -0400, legg  wrote as   
   underneath :   
      
   >On Mon, 08 Aug 2022 20:10:56 +0100, Charlie+  wrote:   
   >   
   >>On Mon, 08 Aug 2022 07:49:06 +0100, Charlie+  wrote as   
   >>underneath :   
   >>   
   >>>Advice please..   
   >>>This is a 250V 1450W Circular saw US made in the 1980s probably.   
   >>>AEG CS825, It failed in use yesterday blowing fuses having been stored   
   >>>in a garage.  Dismantle reveals a leaking swelled combined (film)   
   >>>capacitor 0.3uF + 2x 2500pF XY type 250V~ with 3 leads one coloured and   
   >>>2 black.  Too old for spare parts.   
   >>>Presumably I can replace with X rated 250v or better individual caps but   
   >>>I dont know enough!   
   >>>Is the 0.3 for starting and the small two for anti interferance perhaps?   
   >>>TIA C+   
   >>   
   >>Actually it is a brushed (universal type) motor so it wont be for   
   >>starting. It will all 3 capacitors be for limiting interferance but I   
   >>dont know what the circuit would be. C+   
   >   
   >These are for line filtering - They are only really effective if the   
   >line power enters and leaves the cap body on separate wires, so their   
   >replacements' location anywhere near the line power exit should be   
   >just as effective.   
   >   
   >Use an X-rated part across the line, and Y-rated parts to the grounded   
   >equipment metal body, from each line terminal. Capacitance equal to or   
   >less than double the listed values.   
      
    RL - Thanks for the info, now I'll be able to re-create the circuit   
   (the original cap. failed short circuit), though in this case the earth   
   wire disappears into the motor but that is not external chassis   
   connected, presumably because double insulated. Thanks, C+   
      
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