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Indiana80

Posted 7/20/2013 09:18 (#3218813)
Subject: JD 4010 wont crank all of a sudden...any suggestions?

I noticed the other day the 4010 would not start on me a couple times. After I finagled with the shifter a few mins to make sure it was in park it fired right off. Now I absolutely can't get it to crank. I dont think it's the battery because lights and dash are plenty bright and like I said it fired right off before with no lagging. I checked over all the wires on the solenoid and starter and they seemed fine. What should I be checking for? It's a Syncro-Range diesel if it helps.

Von WC Ohio

Posted 7/20/2013 09:31 (#3218832 - in reply to #3218813)
Subject: RE: JD 4010 wont crank all of a sudden...any suggestions?

Neutral start safety switch? Jiggling the shifter lever makes me think that could be the issue.

On the synchro range shifter there is a bracket that holds a switch usually had a rubber boot on it. When in park it depresses the button allowing starter to crank.

I have had a similar problem before on a 2010. I think I have the correct 4010 parts diagram.

No direct personal experience with 4010 just relaying my similar 2010 experience and solution.

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deereonly1

Posted 7/20/2013 10:38 (#3218925 - in reply to #3218832)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

EC IL

X 2 on the neutral start saftey switch. You should be able to bypass it just to make sure thats your problem. BECAREFUL

Indiana80

Posted 7/20/2013 10:37 (#3218923 - in reply to #3218813)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

That makes my head hurt just looking at it. Is there anyway to manually throw the switch?

deereonly1

Posted 7/20/2013 10:42 (#3218933 - in reply to #3218923)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

EC IL

On the 4020s the switch is down behind the righthand battery box. Ive already just unhooked the switch made a jumper wire to test it & it starts fine. Like I said before BECAREFUL as it WILL start in gear

Indiana80

Posted 7/20/2013 11:12 (#3218976 - in reply to #3218813)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

Thanks for the replies, Ill try to figure out where it is and go from there.

Phred

Posted 7/20/2013 14:22 (#3219228 - in reply to #3218976)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

NE Mo

Don';t remember if on a 4010 or 4020 but there is a flat piece of nylon on the linkage that depresses the button. Could be worn. It could also be adjusted a little longer to depress the button. Been a long time since I have been in one, but I think that is the way it was on the 4020, it would be on the right side under the cowl and at the bottom of the shift lever

Gerald J.

Posted 7/20/2013 17:23 (#3219451 - in reply to #3219228)
Subject: Re: 4020

The 4020 interlock switch is operated by the range cam that's inside the transmission. When the shift linkage gets sloppy it won't move the cam far enough to operate the switch. When the cam shaft bushing gets worn and the cam slide further into the transmission it won't operate the switch. The switch has some shims to set its operation also.

The 4010 switch is up in the cowl operated by an arm of the shifter. There is a test and set procedure in the shop manual SM-2039 that covers 4010 and early 4020...

Gerald J.

thefoolishfarmer

Posted 7/20/2013 12:32 (#3219070 - in reply to #3218813)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

South cental Ohio

Just remove the cowl over the shifter and adjust the switch. It's really simple and self expanitory once you look at it. That parts picture can scare a novice mechanic but trust, you will figure it out once you see it. I'd adjust it before I'd by-pass it............for safetys sake!

Von WC Ohio

Posted 7/20/2013 12:55 (#3219102 - in reply to #3219070)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

Agree you ought to be able to take a screwdriver and depress the switch further to see if it is just an adjustment issue instead of the switch being bad.

BE CAREFUL ! You are by passing an intended safety to prevent it starting in gear.

Removing the cowling over the shifter can be a nightmare in itself if they used the same phillips type screws that were original on a 2010. About impossible to get out if they have never been out the phillips slot wants to tear out and it's tough to get enough torque on a screw driver.

If you have an impact type bit and a cordless impact type driver you may have better luck. I did not have one at the time and had to use a impact driver that you struck with a hammer like this.

Finally got them out and replaced those phillips screws with 1/4" bolts you could get a socket on.

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Gerald J.

Posted 7/20/2013 17:07 (#3219433 - in reply to #3219102)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

2010 were designed and made in Dubuque, 4010 in Waterloo. They don't share much but paint.

Gerald J.

Von WC Ohio

Posted 7/21/2013 08:22 (#3220225 - in reply to #3219433)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

I know that Gerald and I mentioned I had no direct experience with a 4010 other than I had seen the same issue with the neutral start safety on a 2010 which is similarly located.

Edit: Sorry I did not mean to sound short it appears the 4010 cover over the dash levers is different. It's a one piece deal that does not contain the screws. The 2010 has a separate piece that was attached with the problematic phillips screws.

However the neutral start safety swittch is similar and still appears to be something the OP needs to check out. So while technically they are completely different machines made in different plants the original info I posted about the neutral start safety switch is valid.

Supposedly a 4010 dash pic from the internet

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thefoolishfarmer

Posted 7/21/2013 10:48 (#3220507 - in reply to #3220225)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

South cental Ohio

Don't mean to butt in here but that's not the piece required to take off to adjust the switch. It's the cowl piece that has 4 - 5/16 bolts holding it on. It wraps over top of the piece that you are showing here.

Von WC Ohio

Posted 7/21/2013 18:33 (#3221339 - in reply to #3220507)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

I stand corrected on the 4010 which I admitted to not having direct experience about.

Feel like I am being nitpicked on issues not all that related to the neutral start safety switch

However the underlying issue is it's STILL quite possible it could be the neutral start safety switch which I did correctly identify as a possible cause. I mentioned he might have issues removing fasteners for cowl covering plate.

Piece that overlays on the 2010 has 10 bolts holding it on.

Those were the Phillips head ones that stripped out when trying to remove and were since replaced with hex head bolts.

I'm sorry now I even offered to help the original poster diagnose his issue.

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thefoolishfarmer

Posted 7/21/2013 19:39 (#3221518 - in reply to #3221339)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

South cental Ohio

If you are refurring to me , Von, I assure you that I am not knit-picking on you. I was directing my responses to the original poster. The last thing that I want to do is upset anyone....I was just offering Indiana80 my 2 cents worth---FREE LOL. It's all good my friends.

Von WC Ohio

Posted 7/21/2013 19:54 (#3221563 - in reply to #3221518)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

Charles

Not directed at you just frustrated we are getting caught up in details of different models instead of trying to help the original poster with his problem.

I just wanted to mention the hassles I had removing the cowl screws in case he ran into a similar issue and we got bogged down in details of different models and such.

thefoolishfarmer

Posted 7/22/2013 07:49 (#3222416 - in reply to #3221563)
Subject: Re: JD 4010 wont crank all of a sudden...any suggestions?

South cental Ohio

Hey, like I said, "it's all good" and yes, people sometimes get off the initial subject from time to time LOL. I only reply to the posts that I am 99.9% sure about what they need to know. It's still good that you mentioned what a pain it was to fix yours and I enjoy reading how I'm not the lone ranger when it comes to having a difficult problem to fix. Carry on!!!!!

Gerald J.

Posted 7/20/2013 17:41 (#3219471 - in reply to #3218813)
Subject: RE: JD 4010 wont crank all of a sudden...any suggestions?

If you want to work on the tractor you need a shop manual, SM-2039. There is a procedure on page 190-5-9 for testing and adjusting the start switches on 4010 and 4020. In this case they share very little. I've shot a quick photo of the appropriate half page.

manual half page

Gerald J.

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