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Farmall & IHC Tractors Discussion Forum
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1949 M Gallops at high speed

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Gerald Anderson

07-01-2010 18:34:49




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My M gallops at high speed. I've had the rear rim clamps adjusted, the front pedestal top rebuilt, checked for fluid in the rear tires, and still it gallops when in road gear at top speed.




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Allen Cornbower

07-05-2010 08:50:09




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
We have a 706 with no fluid in in the rear but it has one piece wheel weights. The tractor always rode super smooth but was gradually getting a bounce to it, at first it seemed like some broken cords in the tire because there was no wobble following it. It continued to get worse but what ended up causing it was the weights loosened up enough to become off center but got wedged in their new location so they weren't clunking, just put everything off balance.

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G. Anderson

07-05-2010 11:10:33




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 Re: 1949 M Gallops at high speed in reply to Allen Cornbower, 07-05-2010 08:50:09  
Thanks. I'll check the weights. Another ag salesman has suggested that my clutch is in need of adjustment.



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janicholson

07-05-2010 13:04:13




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 Re: 1949 M Gallops at high speed in reply to G. Anderson, 07-05-2010 11:10:33  
Agt Salesmen are like that, nothing in a clutch could or would cause a bouncy ride!!!
Jim



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M Diesel

07-03-2010 19:34:51




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
Hop is just about perspective, out of round is out of round. Got any measurements yet on the rim troubles? It's real easy to jack it up by the hitch and spin wheels.



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M Diesel

07-02-2010 14:35:22




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
Man, that thing has to be pretty far out of whack to cause a hop. Maybe a tire worn out of round? Bad belts in tire? Bent axle? Loose wheel weights? Does it have a side to side aspect?



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G. Anderson

07-02-2010 16:25:08




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 Re: 1949 M Gallops at high speed in reply to M Diesel, 07-02-2010 14:35:22  
It doesn't hop. By galloping, I mean it rides up and down like riding a horse. It does not have a side to side aspect. It doesn't leave the road. Guess you would have to drive it to experience what it is doing.



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janicholson

07-02-2010 11:02:37




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
If the axles are straight, I would put a dot on the sidewall about 2" in diameter with stickie paper or tape. Then drive it to see where the dot is when the tractor is "lofting in the air"
Then I would put some wheel weights made form bolts bolted through the wheel rim gap opposite the place that appears heavy. Maybe 2 pounds of bolts w/nuts (not loose!) and try it again.
Or you could replace the tires! Jim

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G. Anderson

07-02-2010 14:11:39




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 Re: 1949 M Gallops at high speed in reply to janicholson, 07-02-2010 11:02:37  
I'm not sure I understand where you want me to put the dot of tape - sidewal - ???
I have wheel weights - regular wheel weights on the rear wheels.



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Janicholson

07-03-2010 20:44:50




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 Re: 1949 M Gallops at high speed in reply to G. Anderson, 07-02-2010 14:11:39  
If you mark the tire with a piece of tape, the location of the tape can be seen when the tractor is driven down the road galloping. When the tractor is "up in its motion, note where the tape is. Stop, and move forward until the tape is in that position. now the light side of the tire is on the ground. Adding weight to the rim at the down side will help balance it. The wheel weights are not part of this discussion. Putting a pound of weight on the inside of the rim, by bolting on material that will not come off will attempt to balance the wheel. It will take time to get it right, but it should balance. When it smooths out, you can decide how to make it look better than bolted on plates (if you care). Jim

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janicholson

07-02-2010 06:18:45




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
Jack up one side and block it up. chock the other side, and set that brake. put a concrete block next to the tread 1/2" away from the raised tire, and spin the tire in the air by hand to see if the tire is out of round 9runout) if so, more than 1/4", I would next check the rim runout to see if the clamps were tightened crooked. Use a piece of steel rod, or a broom stick across the concrete block to be near the rim flange, again looking for deflection from round.
If none, do the other side. Jim

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G. Anderson

07-02-2010 08:57:52




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 Re: 1949 M Gallops at high speed in reply to janicholson, 07-02-2010 06:18:45  
A tire shop did that and adjusted the rim clamps.We could also see that the rims weaved, so they must be bent.



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mkirsch

07-02-2010 04:59:37




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
First thing in the morning, on the first run up the road, the tractors would always have a little bit of a bounce to them. After running a couple of wagon loads, they would even out and run fairly smooth.

Tractor tires aren't perfectly round to begin with, and they settle when they set for a few hours. It's worse with fluid, but you can get some pretty "square" tires. God help ya if you get both flat sides in sync as you go down the road.

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G. Anderson

07-02-2010 09:00:54




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 Re: 1949 M Gallops at high speed in reply to mkirsch, 07-02-2010 04:59:37  
There is no fluid in the tires. I had that checked. After three days on a ride, it still gallops, so there can't be a flat spot after that.



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Pete in Holland, MI

07-02-2010 04:43:12




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
Was the tractor sitting for a long while? Rear tire may have a flat spot on it.

Fluid filled tires can sometimes get out of balance if the fluid level is not right.



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G. Anderson

07-02-2010 09:02:42




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 Re: 1949 M Gallops at high speed in reply to Pete in Holland, MI, 07-02-2010 04:43:12  
There is no fluid in the tires. I had that checked. After three days on a ride, there can't be any flat spots ans it is still galloping.



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Nebraska Cowman

07-02-2010 04:14:35




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
easy fix, just slow down a little



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G. Anderson

07-02-2010 09:05:06




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 Re: 1949 M Gallops at high speed in reply to Nebraska Cowman, 07-02-2010 04:14:35  
Sometimes you need to catch up. I don't run wide open all the time on a ride. But it sure would be nice to have a smooth ride when I have to catch up.



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CoopertownBob

07-01-2010 20:31:11




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 Re: 1949 M Gallops at high speed in reply to Crazy Red Power in SE-WI, 07-01-2010 18:34:49  
Can you explain what, exactly, you mean by "gallops"? If you mean it seems to jump off the ground in the rear, what kind and size of rear tires are on it, and how much tread do they have? Does it only do it on pavement, or across a field? Big lugs will seem to do just what I described at high speed on pavement or a hard dirt surface.



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G. Anderson

07-02-2010 09:09:25




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 Re: 1949 M Gallops at high speed in reply to CoopertownBob, 07-01-2010 20:31:11  
I mean the tractor will feel like you are riding a horse, so I have to set the seat like a saddle to keep from hitting the seat on the way down. I don't run in the field. The tires are older and I suppose the size that is supposed to be on it.



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Buzzman72

07-01-2010 19:39:57




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 Re: 1949 M Gallops at high speed in reply to Gerald Anderson, 07-01-2010 18:34:49  
Since it appears you're not talking of an engine gallop...Have you checked to see that you don't have a bent rear axle?



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G. Anderson

07-02-2010 09:10:36




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 Re: 1949 M Gallops at high speed in reply to Buzzman72, 07-01-2010 19:39:57  
I have not checked for a bent axle. I will do that.



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