Re: 1954 SH ammeter.

Posted by Janicholson on July 17, 2007 at 11:57:52 from (66.173.50.67):

In Reply to: Re: 1954 SH ammeter. posted by GordoSD on July 17, 2007 at 10:03:35:

If it a new (under warrantee) VR, get a new one.
If it is yours, open it and look at the 2 0r 3 relay like coils in there.
one of them will be wrapped with mighty heavy wire, and heavy duty contacts, that is the cutout relay. ignore it.
If there are two other relays, one of those will have a heavy winding and smaller contacts. Ignore it.
The only one left is the voltage relay and it usually has a double set of small contacts. That one is the one to adjust.
one pair of the relay contacts will be held closed when the tractor is off. Usually the upper ones. There is a spring that tensions this set closed (the little flipper controling the contacts will be away from the coil) this spring will need to have just a tiny bit more tension placed on it (screw, or bent tab) this is a very fine adjustment, and is not course at all. Check charging voltage after the tiny adjustment, and redo if not at about 7 volts. JimN

Replies:

• Re: 1954 SH ammeter. GordoSD 13:00:18 07/17/07 (1)
  • Re: 1954 SH ammeter. sflem849 20:51:09 07/17/07 (0)

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