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John Deere 140 Resto

john deere 140

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#1 BillBaker55 OFFLINE  

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Posted November 26, 2013 - 08:49 PM

I have started to try and fix up an old john deere 140. I started by replacing the battery and that is as far as I have gotten. The battery was installed and there was nothing when I turned the key. I just want to know what I should try to fix first or if I need to start an extensive parts list. I am new to this thing and I welcome any help.


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#2 Cat385B ONLINE  

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Posted November 26, 2013 - 08:57 PM

Do you have a voltage tester? Time to start checking connections on the wiring, and then checking where and when you have power.


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#3 BillBaker55 OFFLINE  

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Posted November 26, 2013 - 09:06 PM

Thank you I will start there.



#4 Trav1s ONLINE  

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Posted November 26, 2013 - 10:02 PM

What year is the 140?  Do you have a serial number?  There are some significant wiring differences based on the serial number of the machine.  Does it have an external coil or magneto ignition?



#5 Delmar OFFLINE  

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Posted November 26, 2013 - 10:47 PM

Unless some one has changed the motor, it has a external coil.   With the key in the on position, a volt meter should read about 12 volts at the coil.  When u turn the key, do u hear a click sound and nothing happens, or does just nothing happen.   A click sound would mean the starter solenoid is getting voltage.  If no click is heard, check for voltage at the starter solenoid.  Corrosion and or loose connections  can cause nothing to happen when u turn the key. When u check for corrosion or loose connections, disconnect the battery first.  I will post a pic of the wiring diagram asap.



#6 lyall ONLINE  

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Posted November 26, 2013 - 11:23 PM

you can have a bad pto safety and/or a netual-starter switch that are bad

there are located between the starter switch and the coil

if one is bad it does not allow the current to the coil

 

some of the 140 have a electric pto clutch - which has an electric switch - which can also be bad

 

you should check the wiring and switches with an ohm meter

 

look at the wiring diagrams - they should help you with the wiring

 

without electric pto

Screenshot.png

 

 

 

with electric pto

Screenshot-1.png


Edited by lyall, November 26, 2013 - 11:28 PM.

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#7 jd.rasentrac OFFLINE  

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Posted November 27, 2013 - 12:09 AM

Welcome to GTT, Bill



#8 Dieselcubmike OFFLINE  

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Posted November 27, 2013 - 12:36 AM

Hello and welcome :wave:



#9 jd.rasentrac OFFLINE  

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Posted November 27, 2013 - 07:16 AM

And please test the key switch. We were at a fair and my 112 didn't start, some month ago. We didn't find a failure. We thought, the key switch could be damaged....

Some days later, we were back at home again, the tractor started...


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#10 A.C.T. OFFLINE  

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Posted November 27, 2013 - 08:22 AM

Welcome! I have a 140 and sometimes need to wiggle the hydro lever in neutral.



#11 BillBaker55 OFFLINE  

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Posted November 27, 2013 - 01:52 PM

Thank you so much for all this help. i took the volt meter out today put the battery on and tightened it down. Then the tractor turned over. Which was a great sound. This tractor was my grandfathers and he passed a year ago.

 

Now I have to deal with the Stuck Carb. Any suggestions on how to get that unstuck i was thinking Wd-40


Edited by BillBaker55, November 27, 2013 - 01:54 PM.


#12 lyall ONLINE  

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Posted November 27, 2013 - 05:19 PM

glad for the update about your 140

for freeing up a carb you might want to soak for a few day

some use lemon juice, pine sol and other thing

there was a post about clean a carb here lately about it 

I think I found  the post, but there can be others post about it

 

http://gardentractor... carb cleaning


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