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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

IHC TD-14

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RJ-AZ

10-02-2003 18:31:54




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I am going to be helping a nieghbor do at least a top end overhaul on his TD-14 Crawler this fall. It is the start on gas run on diesel model, he says it's a 1969. It looks a lot older to me though. What engine model is this and what is the best manual to use. Any and all help will be appreciated. TIA




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Gary Mckenzie

10-04-2003 06:38:22




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 Re: IHC TD-14 in reply to RJ-AZ, 10-02-2003 18:31:54  
The engine in the TD14 is a D461.I got my engine manual from Komatsu- Dresser about 10 years ago, form ISS1038. The parts man first told me it was unavaible, but I wouldn't take no for an answer and he ordered it for me. Most of the time these manuals and some parts are still avaible from the dealer, they're just to lazy to look for them. My experiences with the 461 and 691(TD-18) have taught me that the adjustments of the starting mechanism linkages is critical for proper running. Look closely at the butterfly valves inside the intake manifold, if they don't operate properly it will cause hard starting on gasoline and poor running on diesel. There are springs in the end of the manifold that will weaken and prevent full closing of the butterfly valves. Sorry for being long-winded, hope this helps you!

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RJ-AZ

10-05-2003 20:07:19




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 Re: Re: IHC TD-14 in reply to Gary Mckenzie, 10-04-2003 06:38:22  
Thanks Gary thats the info I needed about the engine model no. Now I'll start looking for the book. I am lucky as we have an OLD parts man at our local Case dealer who has been there since wayback when. I am hoping for something simple like a linkage problem. I remember my dad's MTA would fire like a charm when I flipped the levers. But that was 37 years ago and I haven't been around one since.



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JerePa

10-03-2003 19:17:12




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 Re: IHC TD-14 in reply to RJ-AZ, 10-02-2003 18:31:54  
The best ser. man. to use is CHS-2-L for 6, 9, 14, & 18 crawlers. They are not to plentiful. One just went on ebay for about $70.00. It does cover the work you want to do. Binder Books does not have that one but a later one that will probably do the same job. One place to check for parts is FP Smith in CA.



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Zack

10-03-2003 18:33:19




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 Re: IHC TD-14 in reply to RJ-AZ, 10-02-2003 18:31:54  
Sounds like it might be fuel pump problems



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Half track

10-03-2003 05:52:56




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 Re: IHC TD-14 in reply to RJ-AZ, 10-02-2003 18:31:54  
Without a s/n it's hard to know. They were built from 1939 thru 1958. HT



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Kovel

10-03-2003 07:25:10




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 Re: Re: IHC TD-14 in reply to Half track, 10-03-2003 05:52:56  
You could try WWW.BinderBooks .com for a manual. Good luck with the 14!



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IH TD-18

10-03-2003 08:09:35




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 Re: Re: Re: IHC TD-14 in reply to Kovel, 10-03-2003 07:25:10  
It could either be a TD-14 or a TD-14A. Is it red or yellow? If it's orignal paint color is red, it is a TD-14. A manual is a great benefit, but make sure and get the engine manual, not the service manual. My service manual covers very little about the engine. Have Fun



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RJ-AZ

10-03-2003 16:42:23




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 Re: Re: Re: Re: IHC TD-14 in reply to IH TD-18, 10-03-2003 08:09:35  
This OLD TD-14 is Red, that is the parts that aren't rust red, it has a Bucyrus Erie hydraulic dozer. I was mondering what series of engine it is. It is up country about 8 miles and we are going to walk it down to his ranch headquarters and see if we can get it hitting on all cylinders. It will pull start on gas and change over to diesel but runs roughernacob.



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Kovel

10-03-2003 22:07:16




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 Re: Re: Re: Re: Re: IHC TD-14 in reply to RJ-AZ, 10-03-2003 16:42:23  
Try to bleed the fuel system when it's on diesel.Crack the bleeder on the fuel filters first.Then crack the injector bleeders.Fuel should come out of both.Do the injectors one at a time.when fuel comes out,close it and move to the next one.The one I have will get air in the system and miss and run rough until the system is air free.If that is not it,one(or many) of the injectors may be clogged.Or a clog in the system.Be careful of injectors,because there is great pressure where it squirts into the head.But no danger in bleeding it.

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Deas Plant.

10-03-2003 23:22:09




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 Re: Re: Re: Re: Re: Re: IHC TD-14 in reply to Kovel, 10-03-2003 22:07:16  
Hi, Folks. I personally choose to keep my delicate little lunch-hooks WELL out of the way of the spray out of ANY diesel injector, regardless of whether it is coming out of the business end of the injector or out of an opened injector pipe nut. The pressure going INTO the injector is what enables it to force the fuel into the cylinder against the pressure of the compressed air in the cylinder. If you figure atmospheric pressure at 15 psi and multiply that by maybe 20 to 25 for the compression factor, you arrive at a figure of 300-375 psi in the cylinder and that is what the diesel fuel is being pushed in against. Thanks but no thanks, I don't want to be hit by diesel fuel under that kind of pressure. Then add the fact that many turbo-ed diesels run at up to double atmospheric pressure in the intake manifold - I'm told that some locomotive engines may run at up to 29 # pressure under heavy load - and you have some substantial pressures involved. I have also been told that many diesel injectors open at around 2,000 - TWO THOUSAND - psi and that the reason for this is to break the fuel into a VERY fine spray for better, more efficient combustion. I once saw a demonstartion where a diesel injector attached to a test pump was aimed at a pine plank about 1/4 inch thick at a distance of about 1". The pump was activated and the injector spray BLEW A HOLE in that board about 3/8 of an inch in diameter. I have NO plans for putting my hands - or any other part of me - anywhere near where that board was. Others can make their own arrangements. Hope this helps. You have a wonderful day. Best wishes. Deas Plant.

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RJ-Az

10-05-2003 20:00:39




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 Re: Re: Re: Re: Re: Re: Re: IHC TD-14 in reply to Deas Plant., 10-03-2003 23:22:09  
I'm not a brain dead rookie when it comes to bleeding injectors and fuel lines, been doing it for too many years. I have seen all the safety demos and videos. All I want to do is get this old crawler going again so my neighbor can grub about 40 acres of brush and rebuild some dirt tanks. I'm old enough to have ran the older Farmall MD and MTA but young enough to have never cracked a bolt on these stone age engines.

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Kovel

10-04-2003 20:04:11




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 Re: Re: Re: Re: Re: Re: Re: IHC TD-14 in reply to Deas Plant., 10-03-2003 23:22:09  
If it was not safe,why does the book for a TD14A 141 tell you how to bleed the fuel system?Thanks for your information,but you can not get the air out unless you bleed it.



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RJ-AZ

10-06-2003 16:26:18




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 Re: Re: Re: Re: Re: Re: Re: Re: IHC TD-14 in reply to Kovel, 10-04-2003 20:04:11  
I guess some folks might want to keep their delicate little lunch hooks in the kitchen sink. As for the rest of us we will keep working on this old iron using industry accepted diagnostics and repair procedures as outlined in the service manuals. And remember people high pressure hydraulic oil as well as 2500+ psi diesel injected into the skin can ruin your day. Do it safely...



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