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Old 12-24-2021, 11:05 AM
Datasmasher Datasmasher is offline
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Default Sudden loss of resistance on speed control lever
Hello fellow Cub Cadet enthusiasts! I have a cub cadet 127 I purchased at auction a couple of months ago. Up until today, it ran fine and the speed control lever acted normally. Now when I move the lever, I can see the linkage moving but I don't feel the same engaging resistance I felt before and it does not shift into forward or reverse. Any thoughts on why this might happen? I thought I would ask before I start taking it apart.
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Old 12-24-2021, 11:29 AM
R Bedell R Bedell is offline
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First, welcome to OCC.........

Two things I would look at. (1) Look under the Tunnel Cover and make sure all you linkages are connected and move correctly. (2) It is a common problem, that the "spirol pin" on the Coupler to the Hydrostat Transmission breaks, then you have nothing. Look closely to see if the "input" shaft of the hydrostat, turns or revolves at the same speed as the drive shaft.
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Old 12-24-2021, 04:53 PM
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RLause RLause is offline
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The tunnel cover on the 127 is attached to the frame. Makes it tough to work on.
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Old 12-24-2021, 07:06 PM
Datasmasher Datasmasher is offline
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I removed the cover and sure enough the pin is gone. Based on what I am reading this is a 1/4 coiled pin correct? Will a grade 5 bolt and lock nut work as well?
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Old 12-24-2021, 09:54 PM
Gary C Gary C is offline
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A bolt would work to get you to the garage, but please install the correct style part, it was engineered that way for a reason.
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Old 12-24-2021, 11:33 PM
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ol'George ol'George is offline
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And to answer your unasked question of why:
A bolt, as stated, will get you going but has to much clearance, so the firing
engine impulses, tends to work at increasing that clearance over time.
Eventually, yall done got a wallered out hole
So they put in a Coiled pin, -----not to be confused with a roll pin.
If the hole is already wallowed out, then components need to be replaced.
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Old 12-25-2021, 09:40 AM
Datasmasher Datasmasher is offline
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Default Coiled pin length
Thanks for all the info. One last detail, can someone tell me the length of the coiled pin?
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Old 12-25-2021, 09:48 AM
R Bedell R Bedell is offline
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According to the Parts Listing, it is 1-1/4".
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Old 12-29-2021, 04:49 PM
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Quote:
Originally Posted by RLause View Post
The tunnel cover on the 127 is attached to the frame. Makes it tough to work on.
Wait, aren't they all?
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Old 12-30-2021, 07:13 AM
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IHCubCadet147 IHCubCadet147 is offline
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Wait, aren't they all?
They are not removable on the narrow frames like they are on the wide frames.
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