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techtalk:ih:elec02a [2018/12/16 23:47] – hippysmacktechtalk:ih:elec02a [2023/12/30 01:32] (current) – hippysmack
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 ====== IH: Electrical System - Sub-02A ====== ====== IH: Electrical System - Sub-02A ======
 ====== Bench Testing a Generator ====== ====== Bench Testing a Generator ======
-Article by sifty of the XLFORUM ((http://xlforum.net/forums/showthread.php?t=1592463&page=42)) \\+Article by sifty of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/146604-first-harley-1975-xl1000-caf%C3%A9-project/page42?t=1592463&page=42)) \\
  
 Some simple diagnostic tests can be done with a multimeter. \\ Some simple diagnostic tests can be done with a multimeter. \\
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 {{  :techtalk:ih:elec:generator_drawing_1_by_sifty.jpg?direct&500|}} {{  :techtalk:ih:elec:generator_drawing_1_by_sifty.jpg?direct&500|}}
-  * Generators are fairly simple, they consist of; ((photo by sifty of the XLFORUM ((http://xlforum.net/forums/showthread.php?t=1592463&page=42))+  * Generators are fairly simple, they consist of; ((photo by sifty of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/146604-first-harley-1975-xl1000-caf%C3%A9-project/page42?t=1592463&page=42))
     * Field windings are designated "F" (attached to the case).     * Field windings are designated "F" (attached to the case).
     * Armature windings are designated as "A" (wound around the rotating shaft).     * Armature windings are designated as "A" (wound around the rotating shaft).
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 \\ \\
 \\ \\
-  
  
 ====== Brush assembly ====== ====== Brush assembly ======
  
 {{  :techtalk:ih:elec:generator_pic_by_sifty.jpg?direct&400|}} {{  :techtalk:ih:elec:generator_pic_by_sifty.jpg?direct&400|}}
-The brush plate is easily removable, and inspection/ cleanup should be straight forward. ((photo by sifty of the XLFORUM http://xlforum.net/forums/showthread.php?t=1592463&page=42)) \\+The brush plate is easily removable, and inspection/ cleanup should be straight forward. ((photo by sifty of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/146604-first-harley-1975-xl1000-caf%C3%A9-project/page42?t=1592463&page=42)) \\
 Care must be taken when installing the brush plate. \\ Care must be taken when installing the brush plate. \\
 Make sure that the brush- armature connecting wire is not pinched (can short circuit to the frame). \\ Make sure that the brush- armature connecting wire is not pinched (can short circuit to the frame). \\
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 Ensure the connecting wires are tightened in a position to allow full movement. \\ Ensure the connecting wires are tightened in a position to allow full movement. \\
 And make sure the bare end of the armature brush wire does not contact the case or end cap on assembly. And make sure the bare end of the armature brush wire does not contact the case or end cap on assembly.
 +
 ====== Terminal insulation ====== ====== Terminal insulation ======
- 
 The terminals must be insulated between where they go through the case and connect to the windings. \\  The terminals must be insulated between where they go through the case and connect to the windings. \\ 
 There will be some sort of fiber or plastic bushing around them at this point. \\ There will be some sort of fiber or plastic bushing around them at this point. \\
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 ====== Armature ====== ====== Armature ======
- 
 Testing on the Ohms scale between each commutator segment and the exposed iron core will indicate any short circuits to ground. \\ Testing on the Ohms scale between each commutator segment and the exposed iron core will indicate any short circuits to ground. \\
 Each segment should show very high resistance to ground (ideally in the Mega-ohms range). \\ Each segment should show very high resistance to ground (ideally in the Mega-ohms range). \\
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 With the generator cleaned, assembled and on the bench, some simple test with the multimeter in the Ohms scale can tell you a lot about its electrical health. \\ With the generator cleaned, assembled and on the bench, some simple test with the multimeter in the Ohms scale can tell you a lot about its electrical health. \\
 The figures noted here were the results from 2 generators (different models). \\ The figures noted here were the results from 2 generators (different models). \\
-They should be reasonably typical the standard 12V Harley generator. ((photo by sifty of the XLFORUM http://xlforum.net/forums/showthread.php?t=1592463&page=42))+They should be reasonably typical the standard 12V Harley generator. ((photo by sifty of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/146604-first-harley-1975-xl1000-caf%C3%A9-project/page42?t=1592463&page=42))
  \\  \\
  
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 {{  :techtalk:ih:elec:generator_drawing_3_by_sifty.jpg?direct&400|}} {{  :techtalk:ih:elec:generator_drawing_3_by_sifty.jpg?direct&400|}}
-With the brushes out there are a couple of further tests available: ((photo by sifty of the XLFORUM http://xlforum.net/forums/showthread.php?t=1592463&page=42)) \\+With the brushes out there are a couple of further tests available: ((photo by sifty of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/146604-first-harley-1975-xl1000-caf%C3%A9-project/page42?t=1592463&page=42)) \\
 **Winding insulation**: \\ **Winding insulation**: \\
 Placing one lead on a clean ground point of the casing, and the other on either terminal (do both) should give a very high reading (ideally in the Mega-ohms range). \\ Placing one lead on a clean ground point of the casing, and the other on either terminal (do both) should give a very high reading (ideally in the Mega-ohms range). \\

Trace: • EVO: Engine Mechanical