4720 - Quit while spraying - Now nothing.

   / 4720 - Quit while spraying - Now nothing. #1  

HobbleCreek

Silver Member
Joined
Nov 4, 2005
Messages
213
Location
Utah
Tractor
John Deere 4720
I was spraying my field using a 3pt sprayer with a PTO pump. Tractor unexpectedly shut down. When I tried to re-start it I got nothing. No dash lights, no cranking, nothing. It's as if there were no battery in it all.

Battery tests good. Removed and replaced battery after testing. Nothing.

Made sure PTO switch was pushed in. Still nothing.

All fuses and relays under the steering wheel appear and/or test fine.

Is there a fusible link or a max fuse or other fuses someplace?
 
   / 4720 - Quit while spraying - Now nothing. #2  
How did you test the battery? Load test? I’d check cables and grounds also.
 
   / 4720 - Quit while spraying - Now nothing.
  • Thread Starter
#3  
Yes. I tested the battery. It's good. I'll double check the cables and grounds. Thank you.

Do you know if there are fuses anywhere other than the fuse box under the steering wheel?
 
   / 4720 - Quit while spraying - Now nothing. #4  
Thermistor ??

Tested battery with a load test ? or a voltmeter ?
 
   / 4720 - Quit while spraying - Now nothing. #5  
Check your cables and grounds.
 
   / 4720 - Quit while spraying - Now nothing. #7  
Ground cable where it attaches to the frame. The frame under the cable is painted. I had some problems with my 4120 because of that.
 
   / 4720 - Quit while spraying - Now nothing. #9  
No worries, this is a great place to search for new ideas from people with valuable experience

We have all been there at one time or another
 
   / 4720 - Quit while spraying - Now nothing.
  • Thread Starter
#10  
I'll go ahead and share what happened, just so the next guy can say to himself, "Well, at least I didn't do that!"


I use the tractor on our small ranch about 10 miles outside of town. I decided to load it onto my flatbed trailer and haul it to town to have somebody look at it. Of course, loading a tractor that won't start is no simple task. I backed my trailer up to the tractor (which had the loader buck on the ground, of course) and using a combination of chains and a come along I started cranking it on. Being alone, I had difficulty steering and pulling at the same time. So, naturally the bucket is just enough of center to hit the rails of the trailer.

By this time I'm tired and hungry and it's getting dark. I message my family to say if anyone is coming up to the ranch, to please bring me food and a drink. My dear wife, whose love for me far exceeds her confidence, asks my neighbor to take me a sandwich and see if he can help. By then I had decided to wait until morning when I had some light, and perhaps a clearer head. Despite my pleas that he not come, he arrived a half hour later and we went to work. After at least a couple hours of cranking, resetting the come along, cranking, resetting, oh! is the brake still on?, cranking, etc., etc. we got the tractor loaded and headed to town. This morning, before hauling it 35 miles to the nearest John Deere shop, I decide to take one more look at the fuses. Especially that one that was to dirty to see the fuse element. Duh. That "dirty" spot was where the housing was charred. Popped in a new fuse and, or course, she fired right up.

So . . . if you ever see me giving advice on this forum, be sure to consider the source. :)
 

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