John Deere 318 not charging , How i tested

Рет қаралды 11,761

Күн бұрын

Пікірлер: 41

@jakerubo 8 ай бұрын

These are the only videos I will ever comment on because somehow, someway, your diagnostics always help me solve my problem with my 318. Thank you

@wtbm123 8 ай бұрын

Thank you , Glad it helped , Just showing what i have done to diagnose and fix the JD . Glad others are also keeping the old tractors going.

@snocrushr 2 жыл бұрын

Great diagnostics Terry. 👍👍

@wtbm123 2 жыл бұрын

Thanks 👍

@joequillun7790 4 ай бұрын

Needed this for my 214. Well done. Thanks for posting.

@wtbm123 4 ай бұрын

Hope you get it all sorted out and thanks for stopping by.

@joequillun7790 4 ай бұрын

@@wtbm123 Waiting for mail delivery, to find out. I'll let you know, when it happens. Thanks.

@joequillun7790 4 ай бұрын

Wasn't the regulator. I put on a new one, just because it was the original. Now I have a new JD replacement. Next, to do your other checks.

@wtbm123 4 ай бұрын

@@joequillun7790 Make sure 12 v gets to the center terminal , and that the regulator is grounded .

@joequillun7790 4 ай бұрын

@@wtbm123 Did that. But when checking the stator while running, it only has about 32V (AC). My tractor is an 87 JD, Kohler 14 HP. You and others are over 40V. Not sure if that's bad enuff to kill a $150 Napa battery, only 1 yr old

@Pascal_Robert--Rc_Creations 5 ай бұрын

Thanks for your help with this video! I was able to diagnose my tractor which, as it turns out, only had a switched wire😅

@wtbm123 5 ай бұрын

Glad it helped

@RustyGlovebox 2 жыл бұрын

Thanks for this helpful instruction. This info will be very helpful

@wtbm123 2 жыл бұрын

Hoping it helps at least one person someday . Thanks for stopping by

@brianwebber3649 Жыл бұрын

Went through the same thing with my 316. Voltage regulator rectifier was OK. The melted A/C connector like you had was the problem. Cleaned up the connector everything was OK. So maybe your old voltage regulator rectifier is still OK.

@wtbm123 Жыл бұрын

Thank you for stopping in and commenting

@johnnelligan4847 8 ай бұрын

Great video Terry, very informative and easy to follow. I pretty much have the same situation as you did, with one exception. When I test for AC voltage across the w stator wires(at full throttle) im only seeing about 25 V. Wondering if I should go ahead and replace the Voltage Regulator before digging further into the stator. Thanks

@wtbm123 8 ай бұрын

When testing stator you are not going through the regulator , Also make sure the regulator is grounded . The regulators do go bad .

@SteveRobReviews 2 жыл бұрын

Nice diagnostic Terry. Before I put my kubota tractor away for the season I noticed in testing my battery voltage was 16 volts . I've never seen a voltage that high . It does have a simular system that produces ac voltage then rectified to dc . Have you seen these fail producing too much voltage ? I just replaced the battery two months ago . I'm figuring reading 16 volts with the engine just turned off at the battery is too high , any thoughts.

@zx8401ztv 2 жыл бұрын

It does sound like a poor regulator, i would expect about 14 volts charging and the battery should slowly drop down to 12.7 to 13 volts after sitting off for 10 mins. Dam im in waffling mode lol.

@SteveRobReviews 2 жыл бұрын

@@zx8401ztv That's what I thought as well. 16v I've never seen testing any machine running or a battery . I'm boiling my new battery it seems over the last two months 😅 Next spring I will have to investigate or fly Terry up to my place.

@wtbm123 2 жыл бұрын

Yea 16 after shut off seems high . 14.6 - 14.9 is usually what i see running .

@wtbm123 2 жыл бұрын

Myself i would probably change the regulator , if nothing else just to know. Most are cheap , not sure how much they would be for a kubota

@wtbm123 2 жыл бұрын

I agree

@randydanchak4041 Жыл бұрын

On my JD 318, does the battery wire that goes to the center terminal on the voltage regulator stay hot all the time or only when key is on. My is hot all the time. Any thoughts.

@wtbm123 Жыл бұрын

I am thinking with key on . Some tractors have power there all the time , but thinking just when key is on . I will test soon and if wrong i will let you know

@wtbm123 Жыл бұрын

I was just stopped in where the tractor in video is and i checked for power on center wire . It does have power with key in OFF position . I was wrong when i said only with key on . Sorry

@mikesautomaintenance5780 3 ай бұрын

I have .03 on AC wires and no short to ground on either AC wire is .03 acceptable?

@wtbm123 3 ай бұрын

Is it charging ok . I have seen some still charge , When running at higher rpm do you get AC voltage on the stator wires.

@mikesautomaintenance5780 3 ай бұрын

@@wtbm123 iam not sure I got it with the motor already taken out of the mower and and apart for a oil leak and was just wondering if I should try and find a replacement stator while I have it apart

@wtbm123 3 ай бұрын

@@mikesautomaintenance5780 Is it stil copper color or are there dark places forming on it.

@mikesautomaintenance5780 3 ай бұрын

@@wtbm123 it's looks good to me I no it should put out around 40 AC volts when running but like I said motor is out of the mower I did put power to the motor and just turning it over iam putting out 7 ac volts iam half tempted to try and bolt it to the bench and try to start it and see how many ac volts it's putting out before putting the motor back in the mower

@normanfox4916 Жыл бұрын

It was good until the end. Couldn't read the meter to show how much it was charging or where you connected your leads to check the regulator output.

@wtbm123 Жыл бұрын

You can put both leads on battery terminals , or neg on neg battery terminal and pos of meter on center wire of regulator . At half throttle or above should be 14 - 15 volts , But that also depends on the health and state of charge in battery . If battery is fully charged , you may just read in the mid to high 13`s . And when you shut off the engine it should drop back into the 12 v range . 12.6 being a good battery but may say 12.7 or something just after it was shut off. . Sorry about not showing it better .

@buzzsah 2 жыл бұрын

On my 2305 it blew a diode, and took the alternater with it.

@wtbm123 2 жыл бұрын

Thank you for sharing , it may help someone out there with the same issue.

@zx8401ztv 2 жыл бұрын

The unloaded generator did produce a high voltage, i thought that the regulator died because of that, and an imperfect battery conection while it was running. Maybe the generator produces much more voltage than needed, the regulator will have to dissipate that unwanted energy in heat (The regulator case). I suspect the regulator case does not have enough mass to absorb the heat. Imagine how cool it could be if a thick aluminium plate with the regulator hole shape in the middle. Mount the regulator in the plate hole and it would last 400 years.. ok longer lol :-D Sometimes i suspect things are rigged to fail hmm lol. Hell dont i waffle on a lot lol.

@wtbm123 2 жыл бұрын

Those regulators have a high failure rate. Most are cooled by the cooling fan , but i see people mount them to frames and stuff . I always wondered if they over heat easy that way .