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Kubota d600 glowplug help


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#1 webn237 OFFLINE  

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Posted February 05, 2018 - 09:38 PM

Hey guys need a little help. I am at the point of putting the small finishes on my kubota diesel swapped golf cart. Can anyone tell me how the glow plugs work? Is it fused, relayed, or anything? I have a fuse for it but it keeps popping the fuses. Any helps or tips?
ee26640eda3eeed0cd6e6d58b549ff85.jpg

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#2 olcowhand ONLINE  

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Posted February 05, 2018 - 09:43 PM

Many use timed relays, but my John Deere 430's timer went shot, so I just 30 amp fused a momentary toggle switch to run mine.  Works better this way, as the timer didn't run long enough and wouldn't reset for several minutes.


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#3 Cvans OFFLINE  

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Posted February 05, 2018 - 09:44 PM

Yes, Yes, and yes.

Your going to need at least a 40 amp relay and a 30 amp fuse. I use a heavy toggle switch to activate the relay along with a pilot light to let me know the glow plugs are energized. 10 ga. wire for this circuit. 18 ga. wire is fine for the pilot side of the circuit. 


Edited by Cvans, February 05, 2018 - 09:46 PM.

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#4 webn237 OFFLINE  

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Posted February 05, 2018 - 09:50 PM

Ok i will have to go around and see how i have everything wired. I only have a 15amp slow blow cause thats what the book said to use

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#5 Doug E. ONLINE  

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Posted February 05, 2018 - 10:11 PM

I agree with what Cvans stated.  A starter relay if you have one laying around might fit the bill. 

 

However, we need more pics of your project!  And a description of what you did to swap the engine in!

 

Regards,

 

Doug



#6 webn237 OFFLINE  

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Posted February 05, 2018 - 10:16 PM

I agree with what Cvans stated. A starter relay if you have one laying around might fit the bill.

However, we need more pics of your project! And a description of what you did to swap the engine in!

Regards,

Doug

I tried to post a video but wouldnt let me lol.

I have a link to my buisness facebook page though.

https://www.facebook...ersCustomCarts/

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#7 webn237 OFFLINE  

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Posted February 05, 2018 - 10:17 PM

Here is how my ignition/relay is set up. 40 amp relay357fc002ae5e18d99a158f75c7f20f62.jpg

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#8 chieffan ONLINE  

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Posted February 05, 2018 - 10:34 PM

Looks to me like you have way more stuff wired in there than necessary.  The standard glow plugs were operated on 6 to 8 VDC.  The voltage drop was in the indicator coil.  I changed my d600 over to 12 VDC glow plugs to save the battery and faster heating. 

 

The glow plugs are grounded through the block.  So really all you need the starter relay, #10 from the + Battery to one post, #10 to each of the three glow plugs.  #18 wire from a positive source, through a momentary fuse, a fuse, and on to the activation terminal on the relay.  You will need to update to the 12V glow plugs to do this, which is minor for the benefits received.

 

If I can find where I got this information will post it tomorrow.


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#9 Oak OFFLINE  

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Posted February 05, 2018 - 10:58 PM

I'm not sure what your motor was out of but I do know that the Cub Cadet tractors that used the D600 can't take 12 vdc on the plugs.

 

The upgrade is to use the NGK 2031 / Y-103V. They are designed to use 12 vdc. $8 each on Amazon or $5 each at Rock Auto.

 

I use a solenoid to energize the plugs, Google 7-01861-1. Keep the high current out of your key switch.

 

Some of those old starters don't do well either. If you need to upgrade yours, go to Ebay and do a search on this Kubota number. 37560-63011

 

The plugs (old & new style) pull probably 10-15 amps each so your probably blowing that fuse pretty quick.


Edited by Oak, February 05, 2018 - 11:02 PM.

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#10 Cvans OFFLINE  

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Posted February 06, 2018 - 12:40 AM

  On all the Kubota and Yanmar engines I've installed the glow plugs were wired in series. On most of them I removed the visual coil and have yet to burn out an glow plug. They heat faster and when energized the volt meters indicate 10.5 to 11 volts so they are not getting the full 12.5 volts anyway. I would not leave them on once the engine starts as an alternator could increase the voltage to the point that damage to the glow plugs could occur. If the engine is equipped with a dynamo this would probably not be a problem. 

  Install a 10 ga lead from the positive post of the battery to one of the load terminals on the relay. Your fuse should be installed in this lead. From the other relay load terminal run a 10 ga wire to one of the glow plugs if they are wired in series.

Run an 18 ga wire from the run terminal on your ignition switch to your toggle switch. From the other terminal on the switch run a wire to one energize terminal on the relay and also attach your indicator lamp to this same terminal on the switch. From the other terminal on the relay run a wire to ground and do the same with the indicator lamp. 



#11 webn237 OFFLINE  

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Posted February 06, 2018 - 06:46 AM

I'm not sure what your motor was out of but I do know that the Cub Cadet tractors that used the D600 can't take 12 vdc on the plugs.

The upgrade is to use the NGK 2031 / Y-103V. They are designed to use 12 vdc. $8 each on Amazon or $5 each at Rock Auto.

I use a solenoid to energize the plugs, Google 7-01861-1. Keep the high current out of your key switch.

Some of those old starters don't do well either. If you need to upgrade yours, go to Ebay and do a search on this Kubota number. 37560-63011

The plugs (old & new style) pull probably 10-15 amps each so your probably blowing that fuse pretty quick.

With my momentary switch the high energy isn't run through the switch. I have the glow plugs going to the relay going to the momentary switch. Its all on its own circuit so the main ignition switch is just off, acc, and crank

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