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Harry Ferguson Tractors Discussion Forum
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Is my dynamo a motor or dynamo??!!

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Will (UK)

04-10-2006 06:32:15




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i recently took of my dynamo because there was no voltage comming out of it, anyway i took it off and stuck it on a tester i could only get it going to 2.3 volts! at 2800 rpm! in the right direction. The voltage it said on its casing is 12v but the the insides look like a two carbon brush motor!

here the pics, see for yourself

Link
Link
Link

the writing on the side (seen in code8me.jpg) if you cant read it is

6_22259E___4_54
C39P2_L1___12V ----->

_ represents a space not a line

the numbers and letters are in the approximate formation

thx for any help in advance.

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souNdguy

04-12-2006 17:24:33




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 Re: Is my dynamo a motor or dynamo??!! in reply to Will (UK), 04-10-2006 06:32:15  
Most gennies will motor.. most dc brush motors will generate.

full field it and provide power tot he armature..

Next.. polarize it int he system and see what you get.

Soundguy



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John (UK)

04-10-2006 08:43:33




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 Re: Is my dynamo a motor or dynamo??!! in reply to Will (UK), 04-10-2006 06:32:15  
22259 is the Lucas part number and its probably May 1954. It will act as a motor of you supply power to it, this is one way to test if the Generator is good or not.Should be clockwise rotation viewed from driving end. If you connect a voltmeter (0-20v) between the two terminals and the generator housing when you increase the engine speed it should reach a reading of 12 at a fairly low speed do not run the engine above half speed. If there is no reading or it is erratic, then remove the Generator for further inspection.

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