[T3] I asked a question few days ago on a TVS switch.

William J catnine09 at dslextreme.com
Fri Nov 3 12:04:35 PDT 2017

 What I'm asking is On later TVS there is a spring loaded center pivot.( wave washers and it's pressed into the TVS base plate. 

 Whether you have the stop or not , from what I can tell with a TVS mounted to a spare throttle body /IAD . The resistance of the spring loaded center pivot is all that holds the adjustment where you set it. 

 Jim . In the adjustment info you sent on how to adjust them and the three different generations.You said even some late ones didn't have the stop and ones that do you adjust to the stop and lock it down there. Is this proving that the stop is set so the wipers are right at the point of being on the idle pad and the enrichment wiper right on the edge of moving from board # 20 contact to # 9 . Also just before the wipers move the on/off switch should hit the on position just before or at the same time the wipers move. 

 I ask because if the throttle has wear where it seats closed a bit further then the stop on the TVS used as an adjustment will become the stop allowing more air through the throttle being slightly open. I realize when adjusting you hold the throttle closed and then the TVS stop would be correct yet if time goes by and the throttle plate wears through time because the plate is harder than the aluminum bore then one would need to check the adustment from time to time. 

 If you adjust to the stop of the TVS and don't factor in the 2 degree marks what this means to me is if a stop were bent I would need to mount the TVS hold the throttle closed rotate the TVS until the wipers are in the location I described above then bend the stop so the plastic arm just touches. 

 Does this make sense? I have no idea based on slight difference in throttle bodies even when new how new TVS stops were adjusted to work unless it was close enough . 


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