1610D Volt Reg Wells VR728 no joy

   / 1610D Volt Reg Wells VR728 no joy #21  
One thing I can add. The Yanmar alt/gen has a 5 amp output. You can run a battery dead running the headlights for an extended period even at full rpm. I have done it. It is a long ride home in the dark after a hard evening mowing.
 
   / 1610D Volt Reg Wells VR728 no joy #22  
</font><font color="blue" class="small">( On that schematic, does it show the armature directly to the battery.. or does it go thru a cutout relay? )</font>
The connection is shown directly to the battery. Nothing is shown inside the generator. I suspect it uses diodes for rectification. As I recall, my autos of that vintage all had diodes.
 
   / 1610D Volt Reg Wells VR728 no joy
  • Thread Starter
#23  
Soundguy, i agree the VR may be a paperweight for me if its method is field current regulation. I am looking at all alternatives including the bridge rectifier /voltage reg approach. I have the old Yanmar unit soaking in Acetone now to try and remove the potting without destroying it.
 
   / 1610D Volt Reg Wells VR728 no joy #24  
</font><font color="blue" class="small">( One thing I can add. The Yanmar alt/gen has a 5 amp output. You can run a battery dead running the headlights for an extended period )</font>

Impressive.. and a very limited use design. I'm glad I swapped a 30ish amp job into mine.

Reminds me of my JD-B.. it has a 7 amp genny. Puts out 7a at max rpm.. and about 5 at rated rpm. Funny thing though is a standard 35w lamp uses about 5.83 amps at 6v... make that 2 lamps for headlights and toy are over 11 amps. Add the rear light and to are at almost 17 and a half amps.

I imagine there were quite a few early JD farmers driving home with orange /dim/no lights, and hoping they didn't stall as there would be nothing left for the starter!.

Soundguy
 
   / 1610D Volt Reg Wells VR728 no joy #25  
</font><font color="blue" class="small">( I am looking at all alternatives including the bridge rectifier /voltage reg approach. )</font>

Wow.. know that we know it makes a whole wopping 5 amps.. I'd guess a single epoxy diode and a handfull of tip packaged 7815's ( or 7812's with an artifically biased ground reference... ) would do the job. They're thermally protected, so parallelling won't be an issue... Sounds like a 10$ fix...

Soundguy
 
   / 1610D Volt Reg Wells VR728 no joy #26  
hi all,
this is a very interesting thread-- And, I'm wondering if I might too have a 1601 with similar problem. My charging light was coming on before I changed the battery. I've tightened the alt belt, & replaced the battery, but have yet to see the light come back on... With that said, what is the implication of having a faulty regulator? Battery won't stay charged, gets run down? Of course you'd want to rectify such a situation, but if you don't what's the worst to happen? Thanks ! -arthr
 
   / 1610D Volt Reg Wells VR728 no joy #27  
The problems you listed would be typical of alternator / regulator failure. The longer you use your tractor, the more often you would need to charge the battery. Eventually cycling (with a battery charger) will cause battery failure. It would be best to accurately diagnose the charging problem and repair, vs. changing out batteries and topping off with chargers.

Regards, Mark
 
   / 1610D Volt Reg Wells VR728 no joy #28  
OK, cool. I'll have to keep my eye out for that charging light!
 
   / 1610D Volt Reg Wells VR728 no joy #29  
Checked my alternators output today. 16V at 1500 & 20.5V at full throttle.
 
   / 1610D Volt Reg Wells VR728 no joy #30  
Any change in the status of the limiter experiment????? Inquiring minds want to know!
 

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