1970 IH Cub Touch Control Hydraulics

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Tron
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1970 IH Cub Touch Control Hydraulics

Postby Tron » Wed Mar 06, 2019 12:57 pm

Hello All, New Member Here. I Have a 1970 Cub and the touch control hydraulic unit has a casting hole on the top surface of reservoir near the fluid fill plug. There is a domed shaped plug that covers the hole in the casting. The plastic cap is broken. I've tried to locate the part number in several attempts with no luck. no manuals or diagrams show this plug & dealer has no record of there even being a hole & cap in the top of Reservoir. Ant information someone could provide would be appreciated. Thanks.

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Don McCombs
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Re: 1970 IH Cub Touch Control Hydraulics

Postby Don McCombs » Wed Mar 06, 2019 2:47 pm

I assume that the round plug at the right-center of the following photo is what you are referring to. That is a Welch plug and should be available at most good auto parts stores or from TM Tractor Parts.

http://www.tmtractor.com/new/hy/515fp.htm

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Don McCombs
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Glen
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Re: 1970 IH Cub Touch Control Hydraulics

Postby Glen » Wed Mar 06, 2019 4:45 pm

Hi,
The pic Don posted above is how they look. I don't know what plastic plug you are talking about.
The filler plug is metal. :)

MilGunsmith
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Re: 1970 IH Cub Touch Control Hydraulics

Postby MilGunsmith » Thu Mar 07, 2019 6:49 am

My 55 LoBoy had a hand carved wooden plug in that hole when I got it.

NCFarmer
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Re: 1970 IH Cub Touch Control Hydraulics

Postby NCFarmer » Thu Mar 07, 2019 10:13 am

The plug is 1" NPT with about 3/4" thread depth if that helps.

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Glen
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Re: 1970 IH Cub Touch Control Hydraulics

Postby Glen » Thu Mar 07, 2019 5:50 pm

Hi,
The Cub parts manual says on the Touch Control with block number 360719R1, the filler plug is the same number as the oil pan drain plug, for engines serial number 123700 and above. They both use an IH part number 445096 plug, and a 3405H gasket for the plug. They are 7/8", 18 thread.
TM Tractor has the plug and gasket for the engine oil pan, it is the same part number the Touch Control uses.

http://www.tmtractor.com/new/en/406fp.htm

http://www.tmtractor.com/new/en/844fp.htm

Some of the Touch Controls before 360719R1 had different size filler plugs, with a square head. They were a 3/4", 14 thread, the Cub parts manual says.
The oil pans before engine serial number 123700 used a different size plug, with a square head. :)

Tron
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Re: 1970 IH Cub Touch Control Hydraulics

Postby Tron » Mon Mar 11, 2019 2:37 pm

Thanks guys, that worked great. Welch plug.


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