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JohnCO 
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Location: Niwot Colo
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 Topic: Unearthing an HD7
Posted: 18 Mar 2014 at 11:29pm |
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If you've got the starter together and ready to reinstall, I'd do that first and try it out with a snort (a very small snort) of either. It should fire on either and maybe keep running on fuel. It's a lot harder to take care of emergencies if it's being towed then just sitting. Be ready to pull the air cut off (make sure it works first) above the supercharger.
Hope you have some warm weather the rest of the week.
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"If at first you don't succeed, get a bigger hammer"
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rozmiarek03
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Location: Alliance NE
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Posted: 18 Mar 2014 at 8:58pm |
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we had a blizzaed come through this morning so it was about hide out qnd wait. next i think pull starting is the way. the starter can give 30,000 revolutions but takes forever.
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JC-WI
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Posted: 18 Mar 2014 at 3:16pm |
John.. hushhh
maybe it was just meant to be that way in his favor .
OK Ted, lets see the smoke roll now... LOL
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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JohnCO
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Posted: 18 Mar 2014 at 2:19pm |
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Please keep us updated, I want to see the smoke too. Maybe the reason it didn't sell was it was listed as a book!
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"If at first you don't succeed, get a bigger hammer"
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rozmiarek03
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Posted: 18 Mar 2014 at 11:19am |
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sweet the dozer didnt sell. now i can go back to work and it won't be listed again ever!
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rozmiarek03
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Posted: 14 Mar 2014 at 10:19pm |
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I see your point. Better buy it or leave it alone.
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Orange Blood
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Posted: 14 Mar 2014 at 10:05pm |
Just be careful. If I thought I was buying a complete non running HD7 with the clutch covers open, and arrived to pick it up, and found someone had been wrenching all over it, and breaking roll pins, putting exhaust clamps on the starter, and other stuff, since the pictures were taken, I would be pretty pissed off. It' not that you don't know what you are doing, seems you do, but I don't know that as the buyer, but I am no longer buying the machine I think I am.
I know you are doing it with the best of intentions, but now the machine is misrepresented in the listing. Once you post something for sale, IMHO you shouldn't touch it until the buyer arrives, or the listing expires.
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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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JC-WI
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Posted: 14 Mar 2014 at 9:57pm |
Like that stainless ex. clamp... nice touch, I am going to have to remember that one next time. LOL
Funny what people do for improvising... like the cotterkey for a pin... LOL
Your getting there... One of these times you will have smoke rolling.
OB, maybe he is getting it ready for the next owner...? Maybe he wants to hear it run?
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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rozmiarek03
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Location: Alliance NE
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Posted: 14 Mar 2014 at 9:57pm |
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Thats correct, I have some time to kill, causing no harm and having fun doing it. He listed it before I got a wild hair up my bung to make it run, so just donating time to the greater cause. And again it's fun!
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Orange Blood
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Posted: 14 Mar 2014 at 9:43pm |
So What I don't understand is 'ol Joe (I assume that your brother) has it listed on ebay, yet you are tearing it apart???
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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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rozmiarek03
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Posted: 14 Mar 2014 at 8:48pm |
Hey fellas,
Waking up this morning I was dreading the thought of having to yank the motor at worse to get the starter out of its cozy little area. Shoot I had it out in less then an hour, over thought how bad the job was gonna be. Next tore it apart and it was obvious from the rust why this thing wasnt working. And JC, on that foot engage pinion deal, or dyer drive I think, it was held together with one of four bolts and a cotter key for a 5/16" pin. Did some tapping, major cleaning and used a 6" stainless exhaust clamp to replace the rusted through band over the brushes. Thought that was a nice touch  . It works now. Tommorow I'm ready to go for the start.
Some pictures, oh and guess which of the two dogs is the house dog.
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JC-WI
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Posted: 14 Mar 2014 at 1:24am |
Ted, Looks like you really are after that old girl to get it going. Sure changed the appearance taking the blade off. Glade to hear she is going all the way around now.
On those old crawlers, they were foot engage of the pinion and then it would contact the contacts. mayb some corrosion? Check and see if the brush springs are still holding the brushes in place. Clean the armeture... make sure you have current down at the starter.
Thanks for keeping us updated... I want to see a vid of her rolling smoke. LOL
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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JohnCO
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Posted: 14 Mar 2014 at 1:09am |
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Good work! Hope the starter isn't too big a problem. Looks like it was once orange.
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"If at first you don't succeed, get a bigger hammer"
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rozmiarek03
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Posted: 13 Mar 2014 at 10:58pm |
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TREVMAN
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Posted: 13 Mar 2014 at 10:56pm |
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Careful when you get it going it doesn't go wot on you, jimmys will do that. Have the intake air cleaner off and have a clipboard handy to suffocate it, good luck and glad it stayed in the family, Trev.
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rozmiarek03
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Posted: 13 Mar 2014 at 9:50pm |
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Uh ohh.. now to the starter.. The dyer drive shift lever cover is fubar and I can't get the starter to do anything. Doesn't look good, but I did get three diesel leaks found and fixed.
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DiyDave
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Posted: 13 Mar 2014 at 7:30pm |
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Congrats, glad to be proven wrong!
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rozmiarek03
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Posted: 13 Mar 2014 at 2:23pm |
Hey all!
It's unseized!!!! Went in through the exhaust and found the manifold packed with millet and mouse crap. Took that off, blew out the ports, manifold back on, two gallons of diesel and waited. About five minutes later all is GOOD. Will post some pictures later.
Ted
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JC-WI
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Posted: 13 Mar 2014 at 11:51am |
Take the airbox covers off and look at the pistons via the air intake hole in the sleeve... maybe you might find crud dirt etc? I never have tried to look up to the top in a cylinder like that but maybe a bit of rust at top end?..
Had carbon fall down on a JD R diesel and it ws at the bottom and would not allow the cylinder to go over till I took the head offand got the carbon out.
Keep looking... Check to see if the clutch is disengaged too...
Are you sure you are going a full 360? not just 40 degrees? or 280... that could be stuck valves... all valves on top are exhaust valves. Let us know what you find... JC
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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rozmiarek03
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Posted: 13 Mar 2014 at 10:21am |
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Thanks guys gives me some good leads. And yes I can move it back clockwise the same full turn then solid resistance again. I pulled the valve cover and tried to free the fuel rack and promptly sheared a roll pin but thats minor stuff. Thought about a good diesel soak for a few days but ya I'm thinking its a bit more then corrosien. When I drained a bit of oil yesterday their wasn't even a drop of water at the bottom of the pan which is interesting.
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gemdozer
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Posted: 13 Mar 2014 at 7:56am |
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The HD7 with 371 DETROIT could have a rotor crack in blower
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CAL(KS)
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Posted: 13 Mar 2014 at 6:08am |
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a rusted cylinder could cause the same problem. can you turn the crank back the other way. one nice thing about gm diesels you can remove the air box covers and see if the piston is traveling up and down, that would eliminate the broken rod but not a bent one.
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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DiyDave
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Posted: 13 Mar 2014 at 5:52am |
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If it moving a full turn, it is likely a bent rod, making contact somewhere in its travel. Just a SWAG, but I'll stick to it till proved wrong.
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rozmiarek03
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Posted: 12 Mar 2014 at 7:22pm |
Hey JC,
Ya, in fact today I had time and spent six or so hours on it.. Removed the entire blade assembly, not so easy, then the grill and radiator. Of course everything was seized tight to put it lightly. Got to the crank shaft and after much persuasion I can only get one full turn then its stuck tight.
Anybody have some ideas on what I should check next?
I ran into something similar once before on an old hercules engine and the problem their was a seized magneto of all things....LOL
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JC-WI
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Posted: 11 Mar 2014 at 10:46pm |
Ted, thanks for the update... Glad it didn't hit the scrap pile.
.... Now you get to help your brother in getting it going.  JC
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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rozmiarek03
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Posted: 11 Mar 2014 at 10:37pm |
Hey all,
I was running a loader at the auction and missed pretty much everything, found out later my brother bought the HD7! Not sure why he just thought it was going to cheap and all things with tracks are nifty. The road grader went for 5,100, I had gotten that pony engine running perfect after just pull starting it for 12+ years don't know why I didn't fix it sooner.
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Amos
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Posted: 08 Mar 2014 at 4:05pm |
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I was wondering what the grader sold for ??
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JC-WI
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Posted: 08 Mar 2014 at 2:23pm |
Did any of you guys go to this auction?
I knew it was in March but didn't think about it till today.
Hope the old equipment didn't get get bought up by the scrappers .
03-04-14 Wehtje Farms Equipment Auction
Tuesday March 4, 2014 Sale Time: 10:35 am!
Located: from Hemingford, Nebraska,
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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injpumpEd
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Posted: 11 Feb 2014 at 12:34pm |
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Before trying to start that old jimmy diesel, take the valve cover off and make sure the injector control racks are moving freely. It's likely stuck in wide open throttle, so if it starts up, it'll run away. It'll really lose value then lol! Be careful.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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rozmiarek03
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Posted: 10 Feb 2014 at 11:37am |
Hi JC,
Well I'm number 5 in line and getting started in farming is super expensive... Millions here. Was going to try to get the HD7 to turn over, but its been sub zero most of the time and windchills! Tommorow will be warmer finally so I will postpone my endless coyote hunting and give it a try. Hope things are well your way.
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