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Farmall & IHC Tractors Discussion Forum
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PTO Driven gear removal on 400

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SDE

08-26-2007 10:06:23




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The driven gear has alot of side play at the bottom of the access panel, about 1/8 inch. Is this normal?
I wanted to take it apart to look it over, but the bolt that is under the pipe plug is really tight. Would it be a left hand thread? The manual doesn't say anything special about it so I assume a gorilla leaned on the wrench during a previous assembly. I would rather leave it alone than break anything. Thank you,
SDE

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Wardner

08-26-2007 17:06:49




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 Re: PTO Driven gear removal on 400 in reply to SDE, 08-26-2007 10:06:23  
I discovered the same wobbly gear problem when replacing a TA in a SMTA many years ago. I ordered a replacement gear and needle bearing from Steel Wheel Ranch. I might have bought the shaft as well. Sorry, I can't remember if it had a left hand thread.

I just looked at my SMTA parts book. The listing for item #8 (WASHER, Retaining, Power Take-off Driven Gear) shows a 1/2 - 20 NF x 1-1/8" bolt. Don't know the IH engineering abbreviation for reverse threads but, whatever it is, it doesn't appear to be there.

IH does use 'LH' and 'RH' abbreviations in their "List of Abbreviations" at the beginning of the parts book.
I'd zap the bolt with an impact wrench set to reverse.

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SDE

08-26-2007 17:05:50




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 Re: PTO Driven gear removal on 400 in reply to SDE, 08-26-2007 10:06:23  
It isn't the pipe plug that is tight. The cap screw is.
SDE



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