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  #31  
Old 08-29-2005, 12:43 AM
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fixer67 fixer67 is offline
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With the engine running at full throttle what is the AC voltage you are getting from the two wires coming from the stator going into the V/R? Read voltage from wire to wire and from wire to frame and post back your readings. Remember to set meter for AC voltage.
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  #32  
Old 08-29-2005, 01:31 AM
wlkjr wlkjr is offline
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I will make these other tests tomorrow evening when I get home. The neighbors might not like it if I fired that baby off after midnight. Hopefully my son won't come pick it up to cut his grass. Never would have thought about putting the VM on AC. Why would that be?
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  #33  
Old 08-29-2005, 02:30 AM
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Quote:
Originally Posted by wlkjr
I will make these other tests tomorrow evening when I get home. The neighbors might not like it if I fired that baby off after midnight. Hopefully my son won't come pick it up to cut his grass. Never would have thought about putting the VM on AC. Why would that be?
The stator puts out AC and your VM will not read AC if it is in DC mode. You get AC from that stator and the voltage rectifier/regulator changes it to DC and then set the out put to 13.8 to 14.2 VDC. The stator out put at full throttle can be as high as 36-48 VAC. And in some cases higher. If the out put is below 24 VAC your stator is starting to go bad. I can take my Fluke 77 and set it to DC voltage and put the leads in a 120 VAC house out let and it will read nothing even though the out is live. Todays meters can tell the difference between AC and DC. Older meters could not. With todays meters you can test for AC riding on a DC line and DC riding on a AC line. This is good for when you are doing work that needs power filtering.
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  #34  
Old 08-29-2005, 08:23 AM
wlkjr wlkjr is offline
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Thanks fixer67, I'll make that reading this afternoon when I get home. If I do get the correct reading from the stator, how can I tell if the voltage regulator is good?
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  #35  
Old 08-29-2005, 02:56 PM
wlkjr wlkjr is offline
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Looks like a new voltage reg. runs from $36-40 and altenator about $26. Does this sound about right?
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  #36  
Old 08-29-2005, 06:32 PM
wlkjr wlkjr is offline
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Here's the latest. I'm reading 29.31 VAC from the alternator but I am not reading anything on the red lead DC to ground out of the voltage regulator. Does this mean the regulator is bad?
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  #37  
Old 08-29-2005, 06:36 PM
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Quote:
Originally Posted by wlkjr
Here's the latest. I'm reading 29.31 VAC from the alternator but I am not reading anything on the red lead DC to ground out of the voltage regulator. Does this mean the regulator is bad?
Given the last test of ac output the stator is fine. The problem is the regulator.
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  #38  
Old 08-29-2005, 07:02 PM
wlkjr wlkjr is offline
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Guess I can look for a regulator B&S part # 691188. Hints?
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  #39  
Old 08-29-2005, 07:39 PM
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Originally Posted by wlkjr
Guess I can look for a regulator B&S part # 691188. Hints?
I guess all you can do is look around online, I just went to www.partstree.com and they are a bit pricey $ 70 and some change. I don't have Briggs pricing here at home so I can't give you MSRP.
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  #40  
Old 08-29-2005, 11:01 PM
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http://www.briggspowershop.com/Brigg...oductId=691188


Factory direct from Briggs is only about $43 plus S&H
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