Re: 400 Whats the Fix???

Posted by the tractor vet on July 09, 2007 at 05:57:33 from (75.19.121.241):

In Reply to: Re: 400 Whats the Fix??? posted by Bob M on July 09, 2007 at 04:59:26:

Bob now that is not the way you adjust them thar things. First to do a propper adjustment to scync. the gov. to carb ya pull the throttel all the way wide open and with that cover off ya remove the headed pin and hold the cross shaft in the WIDE open posision the headed pin should slide in Freely thru the clevis and cross shaft and what i do is give the clevis one half turn more then install the pin and replace the cotter pin . My next stop on this would be inside the govener and take a long hard look at where the spring goes thru the two holes on the bell cranks , if that spring is floppen around in the two holes in the levers then this is where ya need to do some fixen . That govener spring should fit them hole just prefect as there is suppose to be bushing in the levers . As this is what shoves the govener back to and idel if there is not tomuch slop in the linkage from the throttel on down to the govener . Next i would be checking for air getting in around the intake . Checking out the carb and the dist. for sticking flyweights . Then getting the timing back to specs. I have rebuilt a bunch of goveners and redoing the littel bushings in the levers ya can not believe how much differance it makes. Did one for one of my old customers that had a S/MTA that he bought new and it would not idel down he was liven with it for years that way till i said something to him about it when i had the tractor in to replace axel bearings . Showed him what the problem was and told him what was needed and since he is a clock repair person and has this neat littel machine shop in his basement we pulled the levers off and off to his basement we bored the levers out a bit to clean them up made up Bronze bushings drilled and chamffered the edges of the holes installed a new spring did the adjustment to the linkage and he thought he had a new tractor.

Replies:

• Re: 400 Whats the Fix??? Bob M 06:34:11 07/09/07 (1)
  • Re: 400 Whats the Fix??? the tractor vet 08:08:39 07/09/07 (0)

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