Jinma 284 Charging Problem

   / Jinma 284 Charging Problem #11  
Do you have any clear instructions on how to do this and bypass the voltage regulator?
'Fraid not, I was going to go all out and do it but the thought petered out and I've never looked anymore.

Also, are either on of the GM alternators closed?
Not sure....Mike
 
   / Jinma 284 Charging Problem #12  
On my Jinma 354 the voltage regulator plugs into the fusebox and periodically rattles loose. I press it back in, the idiot light goes out. Someday I'll put a cable tie on it.
 
   / Jinma 284 Charging Problem
  • Thread Starter
#13  
On my Jinma 354 the voltage regulator plugs into the fusebox and periodically rattles loose. I press it back in, the idiot light goes out. Someday I'll put a cable tie on it.

I have removed and reseated the voltage regulator, but it didn't make any difference. Thanks for the tip though.
 
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   / Jinma 284 Charging Problem
  • Thread Starter
#14  
Well, I took the battery and the alternator into town to get them tested and the battery tested OK on a voltage test.

Unfortunately, AutoZone requires a code input for connecting alternators to test, and of course they don't list any Jinmas. They did list a bunch of tractors, just not any Jinmas.

I wondering if any of the parts stores in the smaller towns have one of the older testers that doesn't require all the BS to test. I'll call around tomorrow.

I'm pretty sure at this point that it is the alternator.

Now comes the decision to go with OEM or convert. Does anyone have detailed info on how to convert to a Delco 12si? I have found them on ebay.

Thanks
 
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   / Jinma 284 Charging Problem
  • Thread Starter
#15  
I can't seem to find any place that can check the alternator because there are no cross-over codes fro their test equipment.

I just ordered a voltage regulator from Affordable and I'll put that in and see if the voltage climbs up for charging.

If that doesn't fix it, then I guess the alternator is next. If I replace an alternator, I would replace the voltage regulator anyway.
 
   / Jinma 284 Charging Problem #16  
You have done the most sensible thing IMHO.
The voltage regulator will tend to walk it's way out of the seating due to vibration. It would be well worth your while to use a ziptie to hold the regulator in place and stop it from vibrating out. I also used some neverseize (is conductive) on the regulator connectors to fill gaps from the slightly undersized connectors/prongs. Compare the new one to the old one and you will probably see a difference in tab thickness.
 
   / Jinma 284 Charging Problem
  • Thread Starter
#17  
The voltage regulator will tend to walk it's way out of the seating due to vibration. It would be well worth your while to use a ziptie to hold the regulator in place and stop it from vibrating out. I also used some neverseize (is conductive) on the regulator connectors to fill gaps from the slightly undersized connectors/prongs. Compare the new one to the old one and you will probably see a difference in tab thickness.

Thanks for the info. I did reseat the regulator and that didn't make any difference. Since I can't return the new one, I'll do like you suggested and use some of the compound and then zip tie it into place.
 
   / Jinma 284 Charging Problem #18  
Sorry ,I'm dribbling in here a little late, I have been dealing with some kidney stones and a bladder tumor,if you have a OHm meter you can check to see if the alternator is putting out, but if the voltage regulator does not tell it to kick in it won't. We replace a lot more voltage regulator than alternators so you may get lucky .

Tommy
Affordable Tractor Sales
"Your Jinma Paarts Superstore"
Home of compact Jinma, Foton, and Koyker Tractors and Parts, Wood Chippers, Backhoes - Affordable Tractor Sales Company
 
   / Jinma 284 Charging Problem
  • Thread Starter
#19  
Hi Tommy.

Sorry to hear about your stones but even more about the bladder tumor. I hope they can fix all that. With today's medical wonders, we'll all be part android before we hit 70 (knees, hips, etc).

I did check at the battery with a volt meter and I got the following:

12.9 with everything off.
12.48 running.
12.1 running and all lights (which I almost never use).

I'm hoping that it's the regulator. I did already order one from Thomas, so I'll see when it gets here.

If not, I'll be ordering a 4-wire 500 Watt. I do a lot of on and off and short runs, so I definitely want the 500.

I do want to figure out how to put an ammeter or volt meter on it so that I can check the charging status easier.

I will also be putting on a battery kill switch between the battery and the starter.

Thanks for your input.
 
   / Jinma 284 Charging Problem #20  
This is a little late, but if you energize the field connection on the alternator and it starts putting out power (ampmeter jumps to "charge" and tractor possibly slows down due to the load), then it's the regulator. Check the wiring from the ignition switch. Sometimes it is the wire, sometimes the switch is damaged, and no power goes to the regulator. If no power goes to regulator then the alternator can't alternate!
 

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