voltage regulator

[Hubman]

Hi, My 123 does not charge . I get 12.7 volts across battery terminals running and non running . Looked at all threads concerning V/R charging problems . In manual states you can adjust the voltage by turning screw inside regulator . Took regulator apart and found no such screws. My regulator is marked p/n 1414 12V . Goggling this part no. states it is a Delco part .no .
Does anyone know if this is the correct V/R for my 123 .

[Hubman]

Quickly looked at how much they cost . Most OEM around $80 . found this link . Is this junk , kidding myself , scroll down

http://www.psep.biz/store/briggs_voltage_regulators.htm

[Matt G.]

Before you buy a new regulator, temporarily ground the field terminal on the S/G while the engine is running. If you have an ammeter, it should peg to the charge side, and if you have a VOM connected to the battery, the voltage should increase. If this doesn't happen, the problem is probably not the V/R.

[MBounds]

Hubman: The IH part number for the 123 V/R is IH-545130-R92.

I suggest that you take that number to your nearest NAPA and get their current equivalent.

Myron B

[Hubman]

Originally Posted by Matt G.

Before you buy a new regulator, temporarily ground the field terminal on the S/G while the engine is running. If you have an ammeter, it should peg to the charge side, and if you have a VOM connected to the battery, the voltage should increase. If this doesn't happen, the problem is probably not the V/R.

Matt , thanks for the quick reply and help . I just did your VOM test . Grounding the field terminal F on the S/G made the voltage rise on the VOM connected to battery . So I guess I do have a V/R problem , if I understand correctly .

[Matt G.]

Yep, or the wiring leading to it. The 1x6/7 series is notorious for wiring deterioration.

[eralbert]

Matt,

After only lurking here for a short time, I would like to say you are wonderful asset to this site. You are a walking Cub encyclopedia.

Thanks for your willingness to help and offer guidance to those of us who are less fortunate.

I always go to your posts first 'cause I know something good is waiting.

Rick

[Matt G.]

eralbert-

Thanks! I try to give back by sharing all of the things I've learned while I've been into these tractors. I got a lot of help from people when I knew nothing about these machines.

[ol'George]

As Matt says, check the wiring,
Also make sure you have a good ground on the bolt to the terminal with the braided lead attached.(mounting bolt)
Also check each wire end at the V/R for a good connection.
You might try running a fine piece of sandpaper through the V/r contacts once or twice just in case there is a bit of problem there.
Sometimes we get lucky and find a no cost solution.
The v/R you have pictured does not have adj screws.
The ones that do, have a provision to increase/decrease the spring tension.
Most manuf. have eliminated them for 2 reasons, cost & people tend to adjust things with a "golden screwdriver" usually getting adjustment way out of whack.
When they are set @ the factory, they are in a controlled temp setting
of 72* and the loads/settings are carefully set to specifications of the application.
To much charge & the battery will tend to use water and be overcharged
To little charge and battery will not have as much cranking amps and or not keep up to loads/demands,both conditions will cause early battery death.

[Hubman]

Originally Posted by ol'George

As Matt says, check the wiring,
Also make sure you have a good ground on the bolt to the terminal with the braided lead attached.(mounting bolt)
Also check each wire end at the V/R for a good connection.
You might try running a fine piece of sandpaper through the V/r contacts once or twice just in case there is a bit of problem there.
Sometimes we get lucky and find a no cost solution.
The v/R you have pictured does not have adj screws.
The ones that do, have a provision to increase/decrease the spring tension.
Most manuf. have eliminated them for 2 reasons, cost & people tend to adjust things with a "golden screwdriver" usually getting adjustment way out of whack.
When they are set @ the factory, they are in a controlled temp setting
of 72* and the loads/settings are carefully set to specifications of the application.
To much charge & the battery will tend to use water and be overcharged
To little charge and battery will not have as much cranking amps and or not keep up to loads/demands,both conditions will cause early battery death.

Thanks for all the recommendations , I took it all apart yesterday looked over all my connections and grounds , all seemed good. I have a new regulator on its way by USPS. Hopefully it will correct the issue of not charging . Thanks again for the help .