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Stern gland packing


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About to renew the packing on my stern gland. Am told best to remove all of the old and need a special removal tool.

so….is it necessary to take all the old out and

do I need the removal tool?

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3 minutes ago, Tony Brooks said:

I find a long 3" or so cross head wood screw does the job. Cross head so when the screwdriver slips it won't stab you.

 

Screw into the old packing and pull out with pliers.

Hi Tony, so you would recommend removing all the old stuff?

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13 minutes ago, umpire111 said:

Hi Tony, so you would recommend removing all the old stuff?

I would, if old bits get very worn and go down the shaft they cause lots of wear to the prop shaft.

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27 minutes ago, umpire111 said:

Hi Tony, so you would recommend removing all the old stuff?

 

Definitely, unless you want to accelerate wear on the shaft and suffer the need to adjust/repack more frequently.

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  • 1 month later...

May I hijack this thread for a mo? 
 

I have misplaced one of the nuts that go on studs to tighten the stern gland. Are these studs standard size. I think they may be M8. Am I likely to be correct?

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9 minutes ago, Nightwatch said:

May I hijack this thread for a mo? 
 

I have misplaced one of the nuts that go on studs to tighten the stern gland. Are these studs standard size. I think they may be M8. Am I likely to be correct?

Depending on supplier of the stuffing box, I normally see m10 or m12, before getting into vintage ones!

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17 minutes ago, Ex Brummie said:

Remove one of the others and visit a tool merchants or good old fashioned hardware shop.

Admirable idea but there are very few left that can advise on threads etc. If it isn't prepacked hanging on a wall, they don't want to know.

  • Happy 1
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Thanks for all the answers. But panic over. Found the dreaded missing nut. Spent at least an hour last night looking for the darned thing. Awoke this morning and made an executive decision. Send the wife in!!

 

Anyway, stern gland stuffed and tightened up. Only took, overall, four or so hours. I’m really not the right shape for ‘Ingin ‘oles.

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If you come across one in a car boot sale or similar, a carpenters gimlet is a good tool for destuffing stuffing boxes.  It should have a nice wooden handle to pull on.

N

  • Greenie 1
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Look for an oil seal/o ring removal tool…like a gimlet with a hook…I think I got mine from the random tool selection in Aldi or Lidl at one point. Very useful for stuffing boxes & fuel filter o rings. 

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Depends slightly on the history, as on an otherwise reasonable new/known installation adding an extra turn is fairly reasonable thing do to, as it adding an extra turn to an unknown and potentially well worn gland as a short turn in the water solution. 

 

However, as said, broadly speaking and as with almost all things, raking it all out clean, inspecting it, and replacing with new is always the rolls royce of jobs.

I find an inexpensive (ideally fairly soft) flat bladed screwdriver with a 90deg bend forged into the last few mm of the blade is a bloody tool for a lot of things.

 

 

Daniel

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18 hours ago, DHutch said:

Depends slightly on the history, as on an otherwise reasonable new/known installation adding an extra turn is fairly reasonable thing do to, as it adding an extra turn to an unknown and potentially well worn gland as a short turn in the water solution. 

 

However, as said, broadly speaking and as with almost all things, raking it all out clean, inspecting it, and replacing with new is always the rolls royce of jobs.

I find an inexpensive (ideally fairly soft) flat bladed screwdriver with a 90deg bend forged into the last few mm of the blade is a bloody tool for a lot of things.

 

 

Daniel

 

Is that after stabbing yourself in the hand with it? 😉

Edited by IanD
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