Briggs 385777 problem. Not charging

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Old 09-07-11, 02:57 PM
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Briggs 385777 problem. Not charging

Question: My 385777 type 0349-E1 does not show charging EXCEPT maybe 1 or 2 times while I'm mowing, it will charge for a few seconds. I put in a brand new battery, but nothing changed. Has anyone else ever had this problem? This engine is on our Husqvarna YTH 2148 riding mower - 2004 purchased new.

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Old 09-07-11, 05:04 PM
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Are you having problems with it, or is it just that the needle isn't showing charging? Have you checked the connections?
 
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Old 09-07-11, 07:21 PM
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Briggs charging problem

Yes, connections are good and tight. Could it be an intermittent problem with the voltage regulator? I found the regulator on the side of the engine, just in front of the starter. The needle works fine. It does show charging sometimes, but it only lasts for 5 or 10 seconds, and when I'm mowing, it shows discharge with the mower blades engaged (air clutch). As soon as I disengage the blades, the ammeter goes back up to "0" . Thank you for responding.
 
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Old 09-07-11, 10:41 PM
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I still don't know if you actually have a problem. Is the battery dying or no?

You can't go by just the cheesy ammeter... they're not always right or accurate. Is it charging when the electric pto clutch is off?
 
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Old 09-09-11, 04:05 AM
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Yes, the battery is dying. I have to charge it after each mowing. or it is too weak to start the next time, It shows a deep discharge when the PTO is engaged.
 
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Old 09-09-11, 10:16 AM
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Do you have a voltmeter?_____________
 
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Old 09-09-11, 02:57 PM
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Yes, I have a voltmeter. What should I check?
 
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Old 09-09-11, 11:40 PM
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There is a voltage regulator on the side of the engine. It's a square box with I think 3 wires going to it. With the engine running full throttle, measure the DC voltage on the red single wire coming out of the regulator.
 
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Old 09-14-11, 07:19 AM
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OK, here's what I did. I had the voltage regulator unbolted from the side of the engine while I was looking around for any connection problem. I tapped on it several times with a screwdriver handle (while it was hanging there). This tapping took place while the engine was running, and there was no change in the ammeter reading. Now, the next day, I cleaned the surface of the regulator and the surface of the area where the regulator is mounted, then I bolted the regulator back in place. I started it up, and amazingly it shows a good charge. I took it out on a run around the place, and purposely went over a few rough spots to see if it would take the vibration and bouncing. It still is charging. I mowed two different times since, and I have not had to charge the battery any more. Now, my QUESTION, is the regulator case grounded to the engine housing, and by cleaning the surfaces get that ground back ? Thanks for your responses.
 
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Old 09-14-11, 04:46 PM
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Yes, there is a connection between the regulator case and the engine. It was apparently loose or dirty.
 
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