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					Originally Posted by Patrick51  Got a QA-36 snowthrower mounted on a Model 1450.  Got The thrower used, missing connecting link on chain.   Got connector links from central tractor, they wouldn't hold.  Got connector links from cub dealer, they wont hold.  The chain and sprokets do not apprar to be worn badly.  Is the inherent design poor, having the chain next to the auger, exposed to the snow and gravel that churns through?  I think that stones are getting under chain and popping the connector link off.Any help would be appreciated.
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 Make sure you are putting the clip for the master link with the open end trailing the direction of travel.
If not, the snow/ice will peel the spring clip off and the master link will come apart.
Also the chain needs to be snug, but not tight.
It should have a very slight sag at it's 
TIGHEST point