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Once a day I have a crank weldment (the thing that spins around inside the pulley) that will spin around and balance itself 180degrees out. Holding the lift assembly up and not let the ball in the exit.
The whole motion from crank to lift arm is totally free. It's just an odd balancing act. I can barely reproduce it manually. It only takes the smallest nudge to get it to go one way or another.
I've worked on tons of these things and I've never seen this before.
Anyone seen this and have a fix?
If the lift arm is not touching the ball doors then your rod is too short, causing the weldment to skip across the rollers. (Adjust) Lenghen the rod a turn or two and see if the problem goes away. Adjust so that the arm is just above the ball doors. (Enough to actuate from both sides.)
Another cause is that the arm is bent outward from the (missing washer) under the 3/8" special nut.
The bearing can also cause skipping problems if the bearing is close to failing.
Pinspotters do not break down when they are not running!
Another cause of this phenomenon is that there are no top hat washers between the eyebolt and the nut and if they are overtightened, then they stick with the lift arm in the raised position.The nuts , as you know , are nyloc and as such only have to be nipped up to the top hat washer, and not wound up tight. try easing off the nuts and check that the top hats are in place and facing the right way round , small side to eyebolt.
maister
A problem I have encountered with the symptoms you have described, is if the ratchet arm weldment is slightly bent,then it will rub on the crank weldment whilst trying to operate.Even with the correct washers fitted the problem still persists.
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