Posted by mkirsch on March 27, 2012 at 05:11:56 from (64.80.110.75):
In Reply to: Throttle adjustment posted by Gordoro on March 27, 2012 at 05:01:33:
The tractor is around 75 years old. Of course there will be severe wear on parts that get moved every time the tractor is operated...
They make replacement throttle quadrants. You can buy them from hundreds of different sources online.
Adjusting the throttle rod won't increase RPM. The tractor has a governor that senses RPMs and adjusts the throttle automatically to maintain a steady RPM.
Technically the "throttle lever" adjusts the governor, and the governor adjusts the throttle.
Here's how you synchronize the throttle to the governor:
1. Turn the tractor off.
2. Push the throttle lever over 1/2 way open.
3. Adjust the linkage to the carburetor so the clevis pin will JUST slip through the yoke to connect everything back up while you're holding the carburetor throttle wide open.
The engine only turns 1450 RPM at full throttle. It may not seem very fast to the untrained ear. You need a tachometer to check RPMs.
If you are not getting full RPMs, you have a problem with the governor.
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