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Ht20d's number just came up.


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#1 pulltilbroke OFFLINE  

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Posted November 28, 2015 - 02:26 AM

Like the title says the old diesels number just came up and now she's in the work bay ready to get figured out and running. Pulled the start to figure it out so I can get it running to diagnose a cold cylinder.

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#2 Cat385B ONLINE  

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Posted November 28, 2015 - 07:16 AM

Here's to hoping it's something not too expensive!
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#3 LPBolens OFFLINE  

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Posted November 28, 2015 - 10:36 AM

The first thing I would check is whether the injector on that cylinder is working. My HT20D had sat for so long both injectors were gummed up and had to be rebuilt. My local diesel injector shop was able to do it but it was not exactly cheap.


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#4 pulltilbroke OFFLINE  

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Posted November 29, 2015 - 08:37 PM

Well after having the starter off and completely apart twice I got it spinnin. I then pulled the injection pump and pulled the delivery valves to see pf the rack and barrels were moving freely,they were. So tried to fire it again after bleeding the system, it would hit and kinda run along with the starter but wouldn't catch and run. I then pulled the injectors and screwed em back on the lines upside down to see the spray pattern and atomization that's when I realized one wasn't popping. We currently have that injector apart and we're searching for some nozzles.

If you haven't noticed diesels are kinda my specialty.

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#5 blackjackjakexxix OFFLINE  

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Posted November 29, 2015 - 11:29 PM

Keep us informed,I know another member here having issues with his,sure he's following along

#6 pulltilbroke OFFLINE  

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Posted November 30, 2015 - 12:20 AM

Well I got that injector cleaned up and I honed the pintle to the nozzle a little and now she runs. Might pull the other injector apart as that cylinder is still a bit colder than the other.
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#7 blackjackjakexxix OFFLINE  

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Posted November 30, 2015 - 09:06 AM

Glad you got it up and running

#8 pulltilbroke OFFLINE  

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Posted November 30, 2015 - 03:52 PM

Well I've realized this thing is a bear to get started in the cold but we got it goin and took it for a spin.

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#9 OldBuzzard ONLINE  

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Posted November 30, 2015 - 04:26 PM

Yep, they are cold natured beasts.

 

They have a 'cold start procedure' where you put a bit of diesel in the caps on the top of the cylinder heads.

 

I've never tried that.

 

On mine, a PO put two glow plugs in the incoming air chamber to preheat the air.  Seems to work OK and mine starts a around 30* or so without too much cranking.  Of course the battery does have to have a good charge on it.

 

Here's where the glow plugs are mounted.

 

100_4369_Arrows.jpg

 

It would probably work even better if I closed off that square hole on the side of the chamber.

 

 

 


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#10 OldBuzzard ONLINE  

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Posted November 30, 2015 - 04:33 PM

OH, if you don't have it, this might be a big help for you:

 

http://gardentractor...orkshop-manual/


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#11 pulltilbroke OFFLINE  

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Posted December 01, 2015 - 03:48 AM

Yes have the manuals on my phone.

Well did a little more tonight on it. It got a new ignition switch and I had to replace an o ring on the #2 dv holder on the injection pump. I also realized another simple cold start method, ether works real well. I don't mean a 2 second stream in the intake but just a bit of a sniff and she lights right up with no ether knock. I get the motor rolling over and just a quick little spray across the front of the air cleaner inlet just so it pulls in a bit of the vapor. Most of the squirters ends up on the side of the fuel tank.
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#12 pulltilbroke OFFLINE  

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Posted December 01, 2015 - 11:28 PM

Got a little more done tonight. Got the battery cables cleaned up and got a blade mounted.just gotta get the core t fittings for the angle now. Also gotta figure out the charging system as it appears someone has rewired some stuff.

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#13 Austen OFFLINE  

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Posted December 02, 2015 - 01:19 PM

Looks like you're having fun. :thumbs:






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