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Farmall & IHC Tractors Discussion Forum
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Hour meter hookup? Tire PSI?

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JayWalt

08-27-2006 21:41:04




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Hi guys. I got a IH 300 utility. Alot of work has gone into getting this baby up and running. Now I have a problem. The hour meter has 18,000+ hours on it and doesnt work. It doesnt work because the connection into the distro/hydra pump is messed up I think. Right between the cover/keeper, and the actual housing is what looks like a gear? I'd imagine it should be inside the housing, but obviously it doesnt fit. I haven't even touched it yet to take it apart. I'm wondering if this looks abnormal, because it sure does to me and I've never seen a tractor close up like this, so I dont know what to expect here. I'm thinking the mounting plate, retention plate, or whatever you want to call it, should be flush with the pump housing? Here are some pics, you'll have to copy paste since I dont know how to format links in this forum.
Link
Link

Also a few quick tire questions. My right tire is a tad low. I went to check the psi and some fluid came out. Dad says they used to fillem with anitfreeze for added weight. I would assume they are tubed otherwise the rims would rust out in no time. The tire does not say tubeless, so would it be safe to say its tubed? Also there is a nut on the outside of the rim holding the valvestem to the rim.

In any event, there is no psi rating on the tires that I can see, at least the rear ones. What is the normal PSI rating for these types of tires? (dad says his Silver King was 8-10 psi) Also, just for future reference, what can one expect to pay for a tube for this sort of tire, and how the heck do you unmount it, as the rim doesnt look very substantial around the lip, so crowbars are out of the question. Thanks guys for all the help. Sometime, I'll have more pics of my tractor when I get it running good and get some pics. This winter I plan to paint the tin and maybe the cast iron parts, dunno yet.

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JayWalt

08-28-2006 20:41:28




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  
Hey guys. Unfortunately it is raining pretty hard so I cant take a pic, but i did get under the tarps (yes I'm keeping it as dry as possible, heh), and here is what I see.

18034-
The first one indicated by a dash is just that, the lines to indicate it was running, i originally though it was just between numbers. The next number is the tenths, as it is dark background with white numbers. So either it has 1803 (which is very unlikely considering the condition of the tractor), or 11803 like was mentioned and more likely. Ok, now another question. I would like to get the tach fixed for obvious reasons. If I mark the "scallop" with a marker to know its alignment, can I safely remove the cable without gears falling off and stuff? I'm assuming there is some hex or something the cable end fits into? or is there a gear on the end of the cable? What does one of these cables cost if it turns out to be defective? I'm sure a new tach would be probably 200 or more. If it is the tach, I'll do one of my, its broke anyways, worth a shot to take it apart and try to fix it, which has proven successful on many occasions =)

This messageboard kinda sucks interfacewise. I hate having to retype my name all the time, and there is no post count or profiles or anything like vbulletin. Am I missing something, do I need to register or something?

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Wardner

08-28-2006 22:19:30




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-28-2006 20:41:28  
Nothing will fall apart if you pull the tach drive. Inside is a shaft and a gear that is fixed on the far end of the assembly. I just noticed that my set-up is different. It doesn't have the scalloped adjuster. Just a tin plate that holds the barrel that holds the shaft w/gear. I have a few more tractors w/tach but did not look at them.

You should really get a parts book. I like knowing what's in there before I take something apart.

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P Backus

08-28-2006 21:36:57




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-28-2006 20:41:28  
Usually the tach cable end is square and fits into the gear. I"ve never seen one fall apart when you try to disassemble it. It should be fairly straight forward.
I rather like the way this forum is set up, but I guess it"s what you"re used to. My computer remembers my name and e-mail address- all I have to do is type in the first letter.
However, I do have to type in my entire password each time- I wish now that I had never registered my name, that way there"d be no password.
Paul

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dhermesc

08-28-2006 11:06:16




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  
Good chance its 11,800 hours (flipped once), IH hour meters topped out at 9,999 hours. I doubt a little utility would have 21,800 hours (flipped twice) but anything is possible.

Tubes will run between $45 and $55 bucks for that type of tire.



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Andy Martin

08-28-2006 07:54:31




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  
Tractor tires are not all that hard to break down, easier than a car tire. You can do it yourself if you get instructions and buy a $25 hammer to break the bead.

I would much rather do it myself than haul it to town, even if they broke it for free.



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JayWalt

08-28-2006 06:12:04




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  

I'm prettey sure its 18,000. I know the last digit is tenths, but maybe i looked at it wrong. 1800 seems way too low for a tractor of its age which was used quite extensively according to the previous owner. 1800 would be an average of 6 minutes a day, or 18,000 would be about 66 minutes a day. This tractor was used in the sumer for plowing and landscaping (rough landscaping), and in the winter it was dullied and used to plow snow for local residents, hospitals, schools, and chruhes. This weekend when I'm out doing more work to it and troubleshooting the tach, I'll make note of the exact hours. Now I'm curious... =)

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P Backus

08-28-2006 06:27:49




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-28-2006 06:12:04  
I agree that 1800 doesn"t seem like that many hrs- I"m curious too. I still don"t think that IH hour meters had six digits. Some had XXXX.XX with the X on the farthest right being just black and white stripes so you could see that the meter was working because they would be 1/100 of an hour and would turn relatively quickly.
Paul



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P Backus

08-28-2006 06:01:27




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  
By the way, I"m guessing that your tractor has more like 1800 hrs on it, not 18,000. The last digit is usually one tenth of an hour. Those hour meters would roll over to zero when they got to 9999.9 hrs. Eighteen thousand hrs would be a lot of hours on a 300 utility. I know this doesn"t help you, but I was just thinking about it this morning.
Paul



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JayWalt

08-28-2006 05:57:43




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  
Thanks guys, so does anyone know if these are tubed, special thanks to wardner for the help with the tach. I knew its a tach, its also a speedometer, and an hour gauge. Now how to set proper gear mesh?
so does anyone know if the tires are tubed or tubeless?
Thanks



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Wardner

08-28-2006 12:12:50




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-28-2006 05:57:43  
Gear lash is a "touchy feely" type of thing. Rotate the aluminum housing until it binds and then back off abit. It won't matter which way you rotate it. It has been years since I have messed around with speedo drives so I can't be more specific.

If you don't want to get involved, remove the tach cable from the distributer and see if there is a speedy rotation inside the aluminum housing when the motor is running. If so, you are OK there. If not, pull out the aluminum housing and you will find the little gear (spiral, I think) is stripped.

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P Backus

08-28-2006 06:14:38




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-28-2006 05:57:43  
Oops, I forgot about the tires! Yes, those would be tubes in the tires. They do have a little nut on the valve stem to hold it in place. The old ones were metal, the newer were plastic. It"s only been more recently that they have been putting tubless tires on modern tractors, and they even put solution in those, which goes right on the rim! However, you"d never put a tubless tire on an old tractor rim meant for tubes, especially if there"s any rust on the bead area. A new tube will probably cost $25- $40. The easiest way to change it is to hire the tire guys to come out to the farm with the tire truck to pump the fluid and change the tube. You can do it yourself, but you need a few special tools and a little bit of know how and skill- except for pumping out the old fluid. You still need someone with the right stuff for that. My tire guy recommends 18 psi in rears and the ag magazines recommend 10-14 psi to reduce soil compaction and increase traction. I would tend to go with Hugh and use 14- 16 psi.
Paul

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Hugh MacKay

08-28-2006 01:39:27




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  
Jay: Very likely the tires are filled with a calcium chloride solution. I hope you didn't use your tire presure gauge on it, if so, one gauge, toast. If you wish to remove that solution, your best bet is find a tire shop with the proper equipment. They'll probably charge you $25.00 per tire. Back in the 1970s they would pump it out for the liquid.

I think you will find max. psi on those tires is somewhere between 35 and 45, depends a bit on the manufacturer. You will hear recomendations all the way from 8 to 20 psi for operating presure on those tires. The lower psi will give the best traction, but it also breaks side walls. I personally like 14 to 16 psi. You don't have to haul it all home in one load.

I remember once being at a welding shop, and an elderly gentleman came in with his Ford 8N front axle broken in half at the center pivot point. We all knew this man, (Lawerence) and he was known to be very frugal, thus he took a fair bit of ribbing over the broken front axle. The welding shop owner asked, "Lawerence, how did you ever manage to break that front axle." His responce, " I hauled my last two loads of fire wood all home in one load, enough said, now don't ask anymore questions, just weld the axle."

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Wardner

08-28-2006 00:28:43




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 Re: Hour meter hookup? Tire PSI? in reply to JayWalt, 08-27-2006 21:41:04  
The aluminum piece that you call a gear is the tach drive gear box. Centered inside is a gear that meshes with another gear when it is properly installed. In order to get proper gear lash, that scalloped piece (what you call a gear) can be rotated. Without my going out to the barn and looking, I say that one or two small bolts hold it in place and keeps it from rotating. The little bolts nestle into scallops.

What you are calling an hour meter is a tachometer with an engine revolution odometer. It is geared to display approximate engine hours. Your 'hour meter' is not working because the tach cable is busted or fitted with the wrong ends. The problem might also be internal with the tach or the aluminum assembly I mentioned earlier. Start troubling shooting by disconnecting the cable from the tach and see if the inner cable rotates smoothly with the engine running. If that checks out, hold something like an eight penny nail to the back of the tach and spin the nail both ways with your thumb and forefinger. The needle should bounce around to an indicated 200-300 rpm. If that is OK then your tach drive (aluminum piece I mentioned in first paragraph) is no good. Take it off the distributer and inspect.

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