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Cub Cadet qa42a soon to be qa42b snowthrower

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lpalma

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Joined
Jul 19, 2008
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1,330
Location
new jersey
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Lewis Palma
Be easier to use a longer set screw and put a nut on that, just like on the PTO bearing.
 

rfunk

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Jun 14, 2019
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127
Location
Winkler, Manitoba, Canada
displayname
Reynold Funk
JB weld, when used in between mating parts to remove slop, will do surprisingly well. Because it is "confined" between the parts, the majority of the loading is compression. Used in an in-frame crankshaft repair on a VW diesel. Poor design reworked to updated design, JB weld used to take up micro slop. Lasted, AFAIK, 60,000 miles at least.
 

jdrong

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Joined
Nov 23, 2008
Messages
97
Location
Little Falls, MN
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Jdrong
Be easier to use a longer set screw and put a nut on that, just like on the PTO bearing.
I was going to suggest doing this too. I have lock nuts on the gear box yoke. There is various thickness of lock nuts too, I used the thinnest ones I had in my bin.
 

craybartholow

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Joined
Nov 27, 2022
Messages
10
I was not hijacking the thread the reply was intended for you only because it was contained within my response to your problem
 

btaner

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Joined
May 12, 2006
Messages
37
Location
ne ohio
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b taner
Question for anyone familiar with a 782 and or a qa42a: The teeth on the large gear have been broken in places. I've been the owner of this snowthrower for 4 seasons or so and this is the first I've taken it apart. At first I was thinking oh that's old wear from the PO. But perhaps it's also from my use. Ouch! Perhaps because the outer bearing on the one shaft was missing for who knows how log, that it also contributed to some unwanted movement?

One thing that worries me always with the combination of the 782 and qa42a is turning on the PTO . . . On the 782, there is no way to ease into the PTO. It's either full on or off, and that PTO switch seems to slam the snow thrower into motion even when the engine is at idle. The shearing spring pin on the shaft with the auger sprocket and chain has sheared quite a few times just by turning this thing on. That slamming into motion could definitely be contributing to some broken teeth! I'm curious if anyone has some insight into how to turn this on gingerly?:drool2:
Im wondering if the tractor will start with pto engaged. or maybe loosen the belt engage pto, then retighten, just to reduce the shock of the thrower drive line.
 

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