March 22, 201214 yr I've tried the search but might be missing it, what is the jam nut large set screw to the right under the handle for?
March 22, 201214 yr Is it a 400 or a 40? On the 40's the nut at the bottom is for the gear used to take up the slop in the gears.
March 22, 201214 yr This is the 140 blower with a jam nut and set screw............... I have tons of pictures of these Champion blowers. Your is like this one, no?
March 22, 201214 yr What I did was to set that screw and locking nut to the point the shaft will turn with the weight of the handle. I'm not concerned with the end-play, rather the shaft must be free w/o any additional free play-end thrust-axial play. What-ever you wish to call it. These don't have bearings, so your simply adjusting the end-play between the shaft and the housing boss. I have also had to adjust the fan hub on the shaft. The one pictured had to be cleaned out as it was badly rusted due to water but still turned free. Then oiled, adjusted and a new wooden handle installed. It makes way too much air. A slow turn is all thats required. I see one is on e-bay auction now.http://www.ebay.com/...=item337370f4c5
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