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QA-42 driveshaft issues?

IH Cub Cadet Tractor Forum

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joeyd

Member
Joined
Nov 4, 2019
Messages
9
Location
East Greenwich RI
I took the driveshaft on my QA-42 blower off and discovered that it seems to be frozen - doesn't slide. I think its supposed to telescope in and out when you raise or lower the blower. I think that being frozen puts a lot of axial stress on the needle bearings in the sprocket mounting bracket. That's why I had to replace them too. Tried freeing it up with PB Blaster then pounding on the outer sleeve with a brass drift but can't move it. Anybody run into this problem and have a solution? Also there is a retainer cap that keeps a cork seal in place. Any idea where I can find the cork seal? I suspect water got past the seal and rusted up the driveshaft sliding feature. There's a zerk fitting to pump grease in but previous owner must not have greased it - that's why it's frozen I think.
 

glippert

Well-known member
Joined
Apr 9, 2006
Messages
1,204
Location
Olivia, MN
displayname
Greg Lippert
Joeyd - I can't answer your question about a cork seak or retainer cap, but yes, the shaft should telescope. I do keep mine well greased, and hearing of your problem will certainly ensure that continues!

Have you checked out the Parts Lookup? There's a link in the first thread in this forum area. It should give you all the info you need regarding parts.

Others here will likely chime in with replies more helpful than mine. Good luck.
 

dschwandt

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IHCC Supporter
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Mar 31, 2012
Messages
4,784
displayname
David Schwandt
I'd take as much of that ass'y apart as possible and clean the grease from everyning as good as possible,
Then soak the 2 parts that are stuck/rusted together in vinegar for a few days,
This should/will turn the rust to mush pretty much and you should be able to get them apart.
That is, unless the parts (splines) are worn to the point of really being jammed/galled tight together then all bets are off.
 

mfrade

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Joined
Feb 18, 2000
Messages
2,514
Location
New Bedford, MA
displayname
Mike Frade
Joeyd, I was going to suggest the same as Davis S. except I'd try diesel fuel. Your not far from me, bring it over and we can toss it into the parts washer, I keep a blend of diesel fuel and mineral spirits in it, it can set there submerged for a few days. Then I can try pulling it apart for you. A come-along between my bench vice and arbor press should stretch it apart I'd think...
 

joeyd

Member
Joined
Nov 4, 2019
Messages
9
Location
East Greenwich RI
OK thanks for the advice. I have a parts washer with kero in it, I'll drop it in there for a few days. We'll see if that frees it up. If not I'll try the vinegar. In the meantime I pulled a functional driveshaft off of another QA I had sitting around so I got the snow cub up and ready for the next snowstorm. Hoo-ray!
 
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