CK30 Tach Trouble

[btward79]

Yup, me again. Since I got my light trouble taken care of I figured I would work on the tach. It only goes up to 500rpm while I'm using it at idle it's dead.

I received a wiring diagram from a forum member and according to that it says if your tach isn't working it could be the pickup sensor, FFT Hour controller, gears in the cluster it sounded like they were referring too or wrong wiring.

I pulled the connector off the hour controller and it looks good there. Not to say the hour controller is defective though it's counting hours fine. I went through quiet a few of the connectors under the floor and they all look good. Pulled the gauge cluster itself out. Everything looks ok there (though it looks like I should have a light on when 4WD is engauged and I don't have that...). It's not a mechanical tach so I doubt the gears apply. I looked behind the tach cover and I see no gears back there just a coil.

I called the dealer trying to find out where the pickup sensor was and he didn't know but said he would find out. No word back yet. Have to check again with him tomorrow. Does anyone else know where the pickup sensor might be? Or any other thoughts? I did a search and someone mentioned a yellow wire on the alternator. I checked that and it's fine...

I noticed the needle on the fuel gauge is a bit stiff. Maybe that's how it works, but the fuel level is down a bit and it still reads pretty high up. Can I manually move that needle and will it self adjust to the fuel level?

Loaded here with questions sorry. Lastly, I hear there is a repair manual for these tractors. Where can I get one? Dealer only?

Thanks for all the help,
Brandon

 

[phiferpharm]

I can't comment on all of these, but there is a light on mine showing a tractor when I engage the 4wd. The fuel thing is something I'm getting checked out at the dealer this week. Mine will go from empty to full when I only put in 5 gallons of fuel, then go down like a rock suddenly on a startup. It's almost like there is a float that gets stuck in the tank. I'll let you know what he says if one of our Kioti Guru's doesn't come back with an answer before that.

 

[btward79]

If someone knows where the pickup sensor is could they possibly take a picture and email it to me? I would greatly appreciate it.

 

[btward79]

Just got done doing some testing. I believe I found the pickup sensor. Single nut holding it on. I pulled it out and it looks like a gear inside, so I'm assuming that's the cam. It has a white wire just like the FFT Hour controller that states thats the input from the pickup sensor.

With the motor running I measured .03v on the FFT Sensor white wire which is the input from the pickup sensor. That was at idle. When I rev the motor it doesn't change. On the output which is a blue wire with a black line I measure 6.70v at idle. When I rev the motor, the voltage goes a bit wacky and drops and when it comes back to an idle continues at the 6.70v.

I'm thinking that sensor might be my trouble... The connector was tight and the terminals on it looked ok.

The pickup sensor is right above the oil filter on the right side of the motor. The FFT controller is on the firewall of the right side. If anyone has a CK30 and wants to play test... I'd like to know the voltage on the white wire of the FFT Hour controller (it's labeled), at idle and with a rev... Any takers?

Thank You,
Brandon

 

[Coyote machine]

Ask your dealer for a service manual for your tractor model and you could also get a parts manual if you want. Based on DK series, the 2 are probably around $100.
Don't know the history of your 'light' trouble, but it sounds like it could be tied to the tach trouble?

 

[btward79]

Ask your dealer for a service manual for your tractor model and you could also get a parts manual if you want. Based on DK series, the 2 are probably around $100.
Don't know the history of your 'light' trouble, but it sounds like it could be tied to the tach trouble?

I will be getting a manual. But right now the dash is all taken apart and not much fun doing that. haha One dealer said 80 and another said 160 for the service manual. Those prices are a bit hard to swallow!

I found out the fuel gauge works fine. I pulled the float and cycled it and the wife watched the fuel gauge move. So she just didn't drink enough. Good news there. Most of my other lights on the dash don't even have wires to them from the wiring harness. So that's not a problem just not an option on the tractor. I do have a circuit it appears for 4WD. However, when I looked over the 4WD linkage I don't see any relay that would be tripped by engauging it into that mode. So I might not have that option either.

So at this point I'm just down to the tach not working. It's looking like the pickup sensor. I'll ask the dealer if it gives voltage numbers, in and out. If not then for this trouble it's not going to help me anyway. I'll still need one though.

If anyone wants to chime in feel free. Hopefully this thread will help someone else in the future.

Thank You,
Brandon

 

[phiferpharm]

Brandon, maybe I'm missing something here, but I'm assuming this is a tractor that is still under warranty. If so, would this problem not be covered as a warranty issue?

 

[btward79]

The dealer said it is probably under warrenty. He asked for the serial number but I was at work. I bought it used from a guy with 32hrs. I knew that was broken then. When I look at Kioti's site it says 4 year powertrain and everything else looked like 2 years. So it probably fell out just now or about to if that's correct.

Problem though is I don't have a real truck or trailer. I rented both to bring it home. ugh

 

[grampastractor]

My manual does not show voltages.
When I had this problem it was just the plug near the oil filter. It had gotten bumped during the 50 hour service. You have already checked that so not much help. Sorry.
Don. va3any

 

[btward79]

Update... The pickup sensor is AC current. Got home and threw a meter on it. With the motor at idle it measures ~1.6v ac off the sensor itself with nothing plugged in. Had the wife rev it a bit and the voltage would go up. We rev'd just a tad and it went to 2.2v ac.

I tested at the FFT hour controller input and observe the samething when everything was hooked back up which I expected too. Now the output which is a blue wire with a black line is the output to the tach measures ~13.4v ac at idle and with a rev it was unchanged. I flipped the meter to dc and measure ~6.5v dc.. Neither of the voltages AC or DC changed on the output under rev or idle. So I'm suspecting that FFT Hour Controller to be my problem. How would the tach know the RPM is changing if the voltage stays the same?

Dealer said that little part is $108! Ouch. If anyone has some spare time and can test that output on their CK30 I'd apprciate it! I have a pdf picture to send for it's placement. On the firewall right side. I'd hate to order that part to find out it's my gauge cluster at $300-400 bucks!

Thank You,
Brandon