Re: VOLTAGE REGULATOR

Posted by Janicholson on April 21, 2006 at 06:07:48 from (199.17.6.175):

In Reply to: VOLTAGE REGULATOR posted by BOBM25 on April 21, 2006 at 04:41:54:

That terminal is the key to repairing the regulator.
There will be a spring (on the back of the coil tower where it is located) that needs to be made to pull upwards on the contact more than it does now. (just like what you do with the screwdriver.) Sometimes there is a bent tab of metal to bend, and sometimes there is a screw adjuster to lengthen the spring.

Charge the battery fully with a charger.

Open the regulator cover, and start the tractor.

Use the - voltmeter lead on the battery terminal of the regulator , and the + lead on the meter to good ground.

Adjust the voltage to 6.8 to 7.1 volts. this will charge the battery well, but not overcharge.

Replace the VR lid and check the voltage again, the lid affects the magnetism in the regulator and can cause under, or overcharging. If still in spec, button things up. If not adjust the cover off voltage so that the cover on voltage is good.

The Amp gauge may not show high charge (because the battery is full) but if the volts are correct it will do the trick.

Good luck (old auto repair books are a great source of info)
JimN

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