Threaded!!!

So much for our theory about the stuffing box being pressed in. The come-along did nothing of the sort, and we decided to see what several rotations would do to budge the stuffing box. Despite being secured down to a gasket with four massive bolts and an abundance of Phillybond, which I’d best describe as day-glo orange MarineTex on steroids, it turns out the stuffing box was actually threaded onto the shaft tube! It took a massive custom-welded wrench, liberal application of WD-40 and 25 full rotations, each involving four repositions of said wrench, within the confines of the engine room to ultimately remove the stuffing box.

It’s moving!!!

And it’s OUT!

And why, you might ask, would we even embark on such a disturbing undertaking to begin with? To replace the inner cutlass bearing, buried deep within this stuffing box. An inner cutlass bearing? Yes. Never heard of that? You’re not alone. And while perhaps it may have been possible to access this particular bearing without removing the stuffing box, no one we spoke with could venture a guess as to how it was installed.

One very worn stern bearing…

The next step is to determine how this bearing is set in, removed and replaced, not to mention finding that replacement. The fun never ends!

The previous stuffing box struggles…

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One response to “Threaded!!!

  1. I’m about to embark on a similar project with a 1979 Marine Trader with 1.75″ shafts. I’m betting I have the same oddball bearing as you. Where did you finally locate yours? Also which way did the stuffing box unthread, counterclockwise or clockwise? Mike

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