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8N Throttle

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Author  [Modern View]

02-21-2021 16:30:01

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Early 1950 8N with front distributor. The throttle rod goes down into what they call a "lever assy", which connects to the rod to the governor.

The lever assy looks to be a clamp-fit to the throttle rod. Is this correct?

I think I need to adjust mine because the idle position has the lever hitting the battery box and it's impossible for the rod to move that far. The wide-open position doesn't pull the governor arm to its stop.

Thoughts? It appears to have been this way for a while, but since I'm in there... ;) I wanted to ask the experts before I tear it apart.

Throttle pushed all the way counter-clockwise:

Throttle pushed all the way open to the stop on the quadrant and the governor lever pulled to its stop:

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02-26-2021 15:36:11

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 Re: 8N Throttle in reply to hunkydory, 02-21-2021 16:30:01  
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Thank you, Soaked! I'll be pulling it apart to see what's wrong with it.

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02-25-2021 16:51:32

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 Re: 8N Throttle in reply to hunkydory, 02-21-2021 16:30:01  
Hi Hunk, You are correct, your lever assy is not clocked, or indexed properly to your throttle control rod. Here is one of my 8ns at full throttle

The lever assy is a whisker away from touching the steering box.

At slowest idle setting, the rod to the gov should not hit the block or the valve cover

I only see one used lever assy on line. No new ones.
Lots of hits for new throttle control rods.
The angle of your handle to the stopper arm up on the quadrant looks the same as mine.

Something has twisted.

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02-25-2021 15:46:49

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 Re: 8N Throttle in reply to hunkydory, 02-21-2021 16:30:01  
I'm having a hard time believing my throttle is right. It doesn't make sense that the hand throttle lever only uses ~5/8's of the quadrant on the dash.
The FO-4 manual says to make sure the governor lever hits its stop when the hand throttle is in the last notch of the quadrant. Is that all we care about? Not how low the hand throttle goes in the quadrant?

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02-22-2021 16:20:02

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 Re: 8N Throttle in reply to hunkydory, 02-21-2021 16:30:01  
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That is helpful, thank you!

I call is the "lever assy" because that's what the book calls it. :)

My set-up has me confused. (not difficult to do.... ;) )
Is it normal for the governor rod to contact the block when closing the throttle? The old rod was deformed from people trying to force the throttle counter-clockwise:

which corresponds to this position on the quadrant:

Looking at the "lever assy" at the wide-open stop (the spring is long gone):

Thank you for your insight!

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02-21-2021 18:21:45

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 Re: 8N Throttle in reply to hunkydory, 02-21-2021 16:30:01  
It does have a clamp bolt, but the throttle rod is notched for the
bolt to pass through. Unless the rod is worn out, I don't know how

the "lever assy" would spin around the rod very much at all.

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