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post #5 of Old 04-14-2009
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Another idea

Just thinking aloud here. Are you sure that your are not moving the packing nut when you are tightening the locking nut. Like I said in my first post, it is easy to do even when you think that you are not.

So if I understand you from your posted statements, you can get a decent flow at rest and when the shaft is spinning, but not when the lock nut is brought against the packing nut, correct?

Is this a standard stuffing box set-up (Packing nut, threaded flanged section that goes into the flex tube/bellows, and a lock nut between the packing nut and the bellows) or something different? Does the locking nut also help compact the flax in some way or have a compression seal that seals against the packing nut in some way? This could cause a seal that wouldn't let water out and would be in-line with the observation of drips only when the locking nut is not engaged.

Before the flax was changed, did the SB work with the packing/lock nut properly tightened, just excessively?


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