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Implement Alley Discussion Forum

John Deere Population Monitor question

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jd2120

04-08-2007 21:13:49




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i have the JD population monitor with my 7000 planter, i've never used the monitor and i've read the manual but still not too clear on a few things, if i want to just monitor my seed flow and let it tell me if i run out in any of the 4 rows, do i have to tune the control knob? also will it alarm pretty quick when its out of seed or wait till i pick up the planter?




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Gerald J.

04-10-2007 07:54:47




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 Re: John Deere Population Monitor question in reply to jd2120, 04-08-2007 21:13:49  
Sometimes the brush alone isn't enough. You sometimes need to wash the sensors using soapy water on the brush, then flush with clear water and then dry with warm air or a towel.

The sensors are on the seed tubes, takes ten seconds to pull the seed tube with the seed hopper tilted back, once you know the combination.

Sloan Express www.sloanex.com has the best price on sensors, $35.99. Probably their catalog number 11400. Ordered one yesterday.

They also have a gadget for testing sensors and Deere made on that I picked up on epay last year. Its handy.

Be sure you have the right sensors for the population monitor. It may need the high rate sensors instead of the plain sensors. My monitor is the plain monitor.

Gerald J.

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jd2120

04-09-2007 07:42:00




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 Re: John Deere Population Monitor question in reply to jd2120, 04-08-2007 21:13:49  
we tested it out yesterday in the driveway, i know its not as good as dirt but i wanted to see if it was dropping seed and the monitor was working correctly, lights 1,2,4 were on with seed in the hopper & it dropping seed, light 3 was off and counting seed. the alarm stayed on the whole time, i moved the control knob but it stayed on. i'm just wondering why 1,2 and 4 stayed on with seed in them. i brushed the tubes before hand

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JMS/MN

04-09-2007 07:59:10




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 Re: John Deere Population Monitor question in reply to jd2120, 04-09-2007 07:42:00  
I think there were 3 JD monitors available for the 7000. Simple one had lights and just told you if seed was dropping. Two population monitors available. Cheaper one had lights and a control knob that you turned down from max about 30 seconds after getting up to field speed. Number behind the knob, compared to a chart on the monitor, gave you an approximate seed count. High-end monitor had lights and LED display for seed count. Lites still on- spray your connector at the tractor with WD40, use wire brush or a pick to clean the contacts. Also try plugging together, then pull out 1/8 inch to make contact. Brushing tubes like you did is step 3, step 4 is take the sensor with the lite off, try it on the other rows. You might have 3 bad sensors. Or just buy one new one to check out the others. You'll need one sooner or later. Regarding the annoying alarm- in a cab tractor it drives you nuts blaring twice on each end of the field. I stuffed the alarm with duct seal- keeps the noise down to mmmmm mm. At nite I hang a shop towel over the lites (held on with little magnets)- can still see when a lite pops on, but avoid the glare in the cab. Maintains nite vision.

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jd2120

04-09-2007 11:05:33




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 Re: John Deere Population Monitor question in reply to JMS/MN, 04-09-2007 07:59:10  
i am going to try it again in dirt this time, i really doubt the sensors are bad because this planter was only used 4 times and planted less than 100 acres, i don't think the guy even used the monitor, the tag on the positive wire saying "hook this to the positive terminal" is still there, not torn or anything. basically i bought a brand new planter for $600. :o) how hard is it to get the sensors out? arn't they in the seed tube?

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JMS/MN

04-10-2007 12:14:17




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 Re: John Deere Population Monitor question in reply to jd2120, 04-09-2007 11:05:33  
Sensors are in the seed tube- held by a plastic wire tie. Remove one pin to take out the tube. If you look down the tube with the monitor on, you should see a couple red spots lit up.



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Doug in IL

04-09-2007 04:48:19




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 Re: John Deere Population Monitor question in reply to jd2120, 04-08-2007 21:13:49  
It will warn you instantly if the seeds quit dropping thru the seed tubes. Mine can be set by a dial switch on the monitor console to monitor all rows at once, one row at a time, or monitor population. My unit is a Dickey-john, not a Deere. But, I am sure your's would be similar.



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IaGary

04-09-2007 05:34:52




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 Re: John Deere Population Monitor question in reply to Doug in IL, 04-09-2007 04:48:19  
You can scan the population on all rows. Or you can set it on one row and it will just keep repeat counting that row.

If you are monitoring the population on one row it will still sound the alarm if a different row quits planting.

Unless it has a wheel sensor or radar it will only tell you the number of seeds drop in a alotted time not actual population per acre.You can still use this to compare the rows to see if they are planted evenly.

Play with it, it won't bite you.LOL

Gary

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IaGary

04-09-2007 05:55:38




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 Re: John Deere Population Monitor question in reply to IaGary, 04-09-2007 05:34:52  
After rereading your post about the control knob,

You get going with the planter and turn that knob slowly till it beeps and then back it off a little.

This sets the time delay on the senors so that at the speed you are traveling it will not take to long to start beeping if you do run out.

In other words it sets the sensitivity to the speed to warn you as soon as possible that you have a problem.

Gary

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