Tractor will not shut off

[Bigboyskioti]

Ok so here goes. I started my little CK20HST up yesterday. Drove down the hill to do some weedeating, set the brake went to shut her down but she didn't want to. I'm assuming the ignition switch is faulty. It'll start up with no issues. But I have to pull the fuel shut off to get it to stop. My question is has anybody else dealt with this? How hard is it to replace? Cost & availability of the switch?
I've heard of other tractors running for ever but this little kioti takes the cake!

 

[Grayson Klassen]

Got to make a few assumptions here

a - its a diesel

b - it usually shuts off when you turn off the key and you don't need to manually stop the fuel.

that being said could it not be the solenoid that cuts the fuel flow that is faulty? it is one option instead of the switch. Could be gummed up linkage on it or just sticky.

 

[coveredbridge]

My guess would be the solenoid as well, especially if the switch works to start the tractor. I had this happen on my JD 820, and it was a loose connection on the wire that powered the fuel shut off solenoid. I tightened up the connection and the problem was solved.

 

[Bigboyskioti]

I'll give it a look over the next few days. Thanks. Still love the fact it doesn't want to stop working!

 

[Lockport]

1st familiarize yerself with manually forcing the solenoid to the fuel cutoff position as this is a valuable lesson. Find the plunger extending through the rubber boot coming from the cylindrical body of the solenoid and repeat the path of its travel. You will need to hold it there until the engine completely stops. If it is anywhere near moving parts, best to use a screwdriver and not your hand to manipulate it.

If there is not an evident wire that has come loose, you will undoubtedly have a fuse for the solenoid circuit in your fuse-box and I would start there.

Good luck

 

[mrutkaus]

Simple things to do: Look at switch connections, remove connector spray with wd40, replace, sprary down keyhole.

Mike

 

[moe1942]

I read this post earlier yesterday and in the afternoon I went to shut down my CK20 and guess what. Wouldn't shut off. Starts fine. Is this contagious. It belongs to my SIL and she can't find the owners manual. Can someone tell me where to look for the fuses?? I hate to buy a pricey manual for a few days of use..

TIA.

 

[moe1942]

Did a bit of trouble shooting.. Took the ign switch apart and cleaned good.. Checked the fuel SO solenoid it's OK. Traced the blue wire to the timer relay under the lower dash panel. The blue sol wire has continuity in and there is 12VDC going into the timer. Still won't shut down with the switch. It's a 2004 CK20J with 86 hrs..

I would rather keep shutting down manually rather than throw money at it..

Anyone have any suggestions???

 

[sixstrings]

when it happened to me, I got a new ignition switch. I had about 750 hrs at the time; it looked too tricky to do it myself so I had the dealer do it w/ a bunch of other things I'd been meaning to do...part was about $60-80.

 

[ASEmaster]

Wouldn't it be easy to check with a test light at shut off solenoid? If theres juice there at the wire with key off electrical issue exists further upstream. If theres no juice at solenoid and test light doesn't glow there likely solenoid is bad.

 

[K life]

there's a little plastic plunger looking thing on the end of the shutoff sol check to see if is crushed. If it is the sol won't make enough contact to the injector pump to turn it off.

 

[tnewbern]

These solenoids usually fail safe (closed) and the engine will not run. They need power to open so a bad connection or fuse would do the opposite and keep the tractor from running. I would not suspect the ignition switch if the other circuits are off with the switch as the hold coil is directly connected.

I would check for voltage at the solenoid with the key in the off position (As suggested by others). If the problem is intermittent the you may have to wait for the failure to check for voltage. Shut the motor down first so you don't risk injury from moving parts. I am not sure about the CK20 but the bigger machines have a dual coil solenoid. If this is the case be sure to check the voltage at each coil.

If voltage is present then the problem is electrical. Voltage at the hold coil would point to the ignition switch. Voltage at the pull coil points to either a stuck relay or bad display module. If there is no voltage then the problem is the solenoid.

The solenoid would be my blind guess and they are about $100 item number 26. I would call your dealer though to determine which one is correct for your tractor.

http://www.patspower.com/pages/oemp...80A/01-01|~CK20HS-M-ELECTRICAL/0101CK20HS0063

Tom

 

[laurencen]

Had the same thing on my Ck20, after a hour or so playing trned out to be the 20A timer fuse under the hood, the timer also runs the glow plugs, how it works is the fuel solenoid is allways open, when the key is turned off the timer starts and activates the solinoid fuel shut off.

Check the timer fuse

 

[Leon oeb]

Solonoid wres removed tractor still runs

 

[laurencen]

and indeed the tractor runs without solenoid, the solenoid only energizes to cut fuel not turn it on, its on a timer so when you turn off key it shuts off fuel and after a dwell releases