Hagen Brothers farms,Goodrich ND | The clutch on that old 3788 2+2 was a real bear to push with the engine off and booster not working, I would guestimate 60-75 pounds clutch pedal effort.
With the engine running and the booster working it took between 5-10 pounds pedal pressure to activate the built in control valve in the booster cylinder. I am sure this could be adjusted down to near 0 pedal pressure just by putting a lighter spring in the control valve.
I always thought that it was a really neat little widget, and not much larger than a small car type shock absorber.
Edited by Jon Hagen 6/12/2007 00:25
 (IH clutch booster cyl.jpg)
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 IH clutch booster cyl.jpg (31KB - 230 downloads)
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clutch for bad knee
