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John Deere 310E TLB Accessory Relay


 
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jsborn
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PostPosted: Fri Jan 26, 2018 5:38 am    Post subject: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

I am trying to trouble shoot a problem with a friends 310E TLB. I found a problem with the Accessory Relay mounted in the side console. After replacing the relay all worked well for a few days and now problem has returned. I have not had time to put a meter on the relay yet but was hoping for some general help.

My questions are what powers up the Accessory relay? (this is the relay in the side console that looks like a aux starter relay) Is it picked up by the key switch? Does it stay picked up continuously when tractor is in use? Does any one have a wiring diagram showing this relay and what is powered by?
 
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Bob
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PostPosted: Fri Jan 26, 2018 6:33 am    Post subject: Re: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

When you replaced the relay/solenoid did you use the correct (constant-duty) one?

They look like a normal starter solenoid, but a starter solenoid won't last long if continuously powered.
 
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jsborn
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PostPosted: Fri Jan 26, 2018 7:25 am    Post subject: Re: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

CVPost-Bob wrote:
(quoted from post at 10:33:50 01/26/1Cool When you replaced the relay/solenoid did you use the correct (constant-duty) one?

They look like a normal starter solenoid, but a starter solenoid won't last long if continuously powered.



When we got the new solenoid it came from JD and was suppose to be the right one. They did have a time finding it so I am going to look at my sales ticket and see if indeed they sold me the right part . I understand what your saying about cont. vs interm. that is why I am looking for the answers to my questions above.
 
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JDEM
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PostPosted: Fri Jan 26, 2018 2:03 pm    Post subject: Re: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

The only difference between a continuous-duty relay and an intermittent duty relay is spring pressure and amp-draw. A
continuous-duty relay has very low spring pressure to hold the contacts open and subsequently,can use a weaker electro-magnet
to engage. A continuous duty relay will draw less then one-amps @ 12 volts. Also not as reliable as an intermittent-duty due
to the lower pressure holding the contacts closed. That is - unless you buy a pricey one with something better then copper
contacts (like silver). A continuous-duty relay can draw 2-8 amps to engage. I have seen them used to replace continuous-
duty relays and have not personally seen one fail. Just run a lot hotter and waste power.

If not sure what you have - just check the amps it takes to engage. Should be 6/10ths of one amp and maybe less.
 
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jsborn
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PostPosted: Fri Jan 26, 2018 2:53 pm    Post subject: Re: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

CVPost-JDEM wrote:
(quoted from post at 18:03:33 01/26/1Cool The only difference between a continuous-duty relay and an intermittent duty relay is spring pressure and amp-draw. A
continuous-duty relay has very low spring pressure to hold the contacts open and subsequently,can use a weaker electro-magnet
to engage. A continuous duty relay will draw less then one-amps @ 12 volts.
Also not as reliable as an intermittent-duty due
to the lower pressure holding the contacts closed. That is - unless you buy a pricey one with something better then copper
contacts (like silver). A continuous-duty relay can draw 2-8 amps to engage. I have seen them used to replace continuous-
duty relays and have not personally seen one fail. Just run a lot hotter and waste power.

If not sure what you have - just check the amps it takes to engage. Should be 6/10ths of one amp and maybe less.


I think I know what your saying but would you please say it again ? I am not trying to be a Smart A I just am a bit confused.
 
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JDEM
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PostPosted: Fri Jan 26, 2018 6:23 pm    Post subject: Re: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

To say it with less words? Checking the amp-draw on the relay will tell you if it is designed for "continuous duty" or just
"intermittent duty."

If it takes less then 1 amp to engage (close), it is made for continuous duty.
If it uses more then 1 amp to engage (close), it is made for intermittent duty.
 
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jsborn
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PostPosted: Sat Jan 27, 2018 5:38 am    Post subject: Re: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

CVPost-JDEM wrote:
(quoted from post at 22:23:32 01/26/1Cool To say it with less words? Checking the amp-draw on the relay will tell you if it is designed for "continuous duty" or just
"intermittent duty."

If it takes less then 1 amp to engage (close), it is made for continuous duty.
If it uses more then 1 amp to engage (close), it is made for intermittent duty.


Thank you for your reply will check that when I get back to the tractor.

But back to one of my original questions does anyone have a wiring diagram or can anyone tell me where this Accessory Relay is powered from.
 
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jsborn
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PostPosted: Sun Feb 04, 2018 5:05 am    Post subject: Re: John Deere 310E TLB Accessory Relay Reply to specific post Reply with quote

jsborn wrote:

Thank you for your reply will check that when I get back to the tractor.

But back to one of my original questions does anyone have a wiring diagram or can anyone tell me where this Accessory Relay is powered from.


The Coil shows 15 ohms so it should draw only .8 amps at 12 volts so I would assume it is a continuous duty coil.

I would still like to find a wiring Diagram that shows the feed for this coil/ sol.

Thanks for your help
 
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