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More 1955 Questions

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Mike Roberts

09-19-2002 03:35:00




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I looked at a 1955 Oliver last night and had some questions. The tractor ran strong, I was impessed with the engine. My major concern, other than the outrageous price, was the extreme vibration the tractor made when you gave it some throttle in high range. I asked the owner about this and he said there is an adjustment screw the raises or lowers the rear of the engine to match up with the transmission. He showed me the screw, but I was still concerned. He said he has to adjust this screw 3 or 4 times a year. That concerned me. I figure the coupling is probably almost shot and maybe the shafts that are connected by it. I would appreciate any insite anyone has on this. Also, would anyone have a schematic they could e-mail or fax me that would show this connection?
Also, should the tractor "free-wheel" in low range? It did, and I didn't particularly like it. Thanks.

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Shep

09-19-2002 05:25:42




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 Re: More 1955 Questions in reply to Mike Roberts, 09-19-2002 03:35:00  
Mike, That is correct about the vibration, you have to keep the chain couplers even or they will vibrate and can through the coupling chain off, or eat up the sprockets. The "better" way to fix this issue other than adjusting the bolt under the belly every so often is to shim the back motor mounts up to make it line up like it should. Also a vibration like that concens me a little that it "could" be other issues, like the flex plate or the three speed shaking. If the vibration really is that alignment make him adjust it so that it stops. The chain coupler could be worn like you said, but that is not a hard or pricy fix if it is just the chain, so I wouldnt worry too much if it is just wear.

Also all Olivers free wheel in low range, that is normal, you just have to remember that when going down hill. Hope this helps, a good 1955 with no cab and a strong engine will sell around here for $5,000 to $7,000 depending on the condition.

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IanC

09-19-2002 18:48:40




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 Re: Re: More 1955 Questions in reply to Shep, 09-19-2002 05:25:42  
The bolt under the trans was a service bulletin fix to help support the weight of the over/under unit, which helped the alignment. If the vibration is worst in high I would suspect the input shaft bearing more than the chain. We had this problem a lot in the higher horsepower tractors.



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john

09-20-2002 03:34:23




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 Re: Re: Re: More 1955 Questions in reply to IanC, 09-19-2002 18:48:40  
or a input shaft because of the polit bearing has worn it



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IanC

09-22-2002 18:42:28




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 Re: Re: Re: Re: More 1955 Questions in reply to john, 09-20-2002 03:34:23  
I meant the main trans input not the O/U input as that turns at engine RPM and wouldn't be effected by shifting the O/U. Your reply did make me think of somethig else though. We had an 1855 come in one time with a "hump" in the pto drive shaft where some shadetree mechanic had tried to remove engine without taking shaft out first. The vibration in that one was in the same area.



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