I'm curious about how the hand throttle works in someone else's early 70 series diesel. Mine does the job but it can spin infinitely in both directions with virtually no resistance - I undulate throttle with my foot and turn until it sticks at the rpm I want. I'd like to know if that is normal or if there is meant to be a stop for max/min plus resistance when you turn it up without using the pedal in tandum. If I don't use the pedal I can still turn it with no resistance and it does nothing, at least I would expect resistance. I ask because I was doing some PTO activities and after I lowered it excessively, ie got back to normal idle but kept turning it anyway. The cable to the pedal became dislodged. Seems like something isn't right with it, but could be chalked up to some inteded driver responsibility. I'm not sure, it doesn't act as nice as any other hand throttle mechanism I have used but also doesn't appear to have any broken parts or things missing.