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Mont Blanc 149 Meisterstück With Leaking Barrel (Split Barrel)

leak mont blanc sealing meisterstück

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11 replies to this topic

#1 mcmahonsport

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Posted 14 January 2020 - 14:35

My Meisterstück leaks where the barrel splits. How easy is it to seal this with beeswax, is it simple to separate? The red arrow shows the leak.

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  • InkedMontBlanc149 takenapart_LI.jpg


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#2 tamiya

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Posted 14 January 2020 - 15:19

Good lord, not you too? :( suffered same on weekend, had been meaning to start a thread.

Except mine is a 146, new to me but probably several decades experienced. Acquired late last year but only got around to cleaning then (in need of something to cheer me up) inking it up on the weekend. Wrote nicely but then noticed both my hands had inky fingers... no way I'm that messy with filling ink.

Big leak between section threads and window.

Wondering if that section is twist/screwed on? Or glued/welded :(

Very good pic that... have been trying to find pics of dissected barrel.

#3 SpecTP

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Posted 14 January 2020 - 20:57

send it to MB for a level 1 service. $90.



#4 tamiya

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Posted 15 January 2020 - 14:30

send it to MB for a level 1 service. $90.


Might have to, but firstly trying to get confirmed...

1, can't quite confirm Ozzie L1 price... probably A$160-180 I'm guessing

2, my 146 might be "vintage"? It's got full clear window not the striped. I like that big window :) that's what attracted me eye when I chanced across it at last year's pen show. Does MB still have same parts? Or will it be modernised to stripe window :(

#5 tamiya

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Posted 15 January 2020 - 14:32

oh &

3, if I'm gunna send it to MB service & they'll be swapping out new parts anyway... no harm me trying to patch it back myself first, eh?

:P

#6 torstar

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Posted 15 January 2020 - 15:42

send it back to HQ, sometimes they'll do some more work for free for you...

 

:)



#7 roberthansjorg

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Posted 15 January 2020 - 15:45

Before you do anything I suggest you contact Michael Knott at Hepworth Dixon Pens. He's got his website under that name.

Your two piece barrel needs to be sealed properly with the right kind of sealant. Some use clear silicone. MB uses it's own coloured mix.

Setting up a 149 is not a simple process. There has to be a vacuum in the barrel and all threaded components have to be sealed properly. Even the nib/feeder end has to be set up carefully. Sited the right way round with the collar. Michael can measure the vacuum in the barrel etc. He's an engineer by trade.

Even taking the pen apart can cause damage if not done properly. You have to have the right tools.

If you want peace of mind get an expert to sort it out.



#8 siamackz

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Posted 16 January 2020 - 01:21

Sealing with beeswax is simple, and I have used plain silicone with success too. Dismantling the pen can be tricky. I have had experiences where it was super easy (with the required tools), and some really bad experiences where the nib collar was stuck in the section. If you havent dismantled a 149 before then know that there are risks. All the best!

My Vintage Montblanc Website--> link

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#9 mcmahonsport

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Posted 17 January 2020 - 18:36

Before you do anything I suggest you contact Michael Knott at Hepworth Dixon Pens. He's got his website under that name.

Your two piece barrel needs to be sealed properly with the right kind of sealant. Some use clear silicone. MB uses it's own coloured mix.

Setting up a 149 is not a simple process. There has to be a vacuum in the barrel and all threaded components have to be sealed properly. Even the nib/feeder end has to be set up carefully. Sited the right way round with the collar. Michael can measure the vacuum in the barrel etc. He's an engineer by trade.

Even taking the pen apart can cause damage if not done properly. You have to have the right tools.

If you want peace of mind get an expert to sort it out.

Thank you for the heads up https://www.hepworthdixon.com/



#10 mcmahonsport

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Posted 17 January 2020 - 18:37

Sealing with beeswax is simple, and I have used plain silicone with success too. Dismantling the pen can be tricky. I have had experiences where it was super easy (with the required tools), and some really bad experiences where the nib collar was stuck in the section. If you havent dismantled a 149 before then know that there are risks. All the best!

Thank you, I had hoped it was a simple matter of unscrewing the barrel and sealing with wax.



#11 mcmahonsport

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Posted 17 January 2020 - 18:51

Good lord, not you too? :( suffered same on weekend, had been meaning to start a thread.

Except mine is a 146, new to me but probably several decades experienced. Acquired late last year but only got around to cleaning then (in need of something to cheer me up) inking it up on the weekend. Wrote nicely but then noticed both my hands had inky fingers... no way I'm that messy with filling ink.

Big leak between section threads and window.

Wondering if that section is twist/screwed on? Or glued/welded :(

Very good pic that... have been trying to find pics of dissected barrel.

The same for me. I have had the pen from new--and then one day--ink everywhere! Making it unusable. I'm a little disappointed with the quality of the pen, as the cap screws off when I put it in my inside pocket, and end up with an inky jacket.I had a Parker (brilliant pen), Pelikan (brilliant Pen), Mont Blanc Noblesse (brilliant pen)--this one falls short.



#12 tamiya

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Posted 18 January 2020 - 03:17

The same for me. I have had the pen from new--and then one day--ink everywhere! Making it unusable.


Is your 149 new enough to look like current production & good chance MB will have correct parts?


Subsequently did some more investigating on my wreck... yep big leak between capthreads and the window. Huge gusher when I expel a fully filled ink reservoir with the piston, nearly as much comes out the side as at the pointy end. :(

If I flex the pen like a banana bender, yep can see some daylight thru the crack at the seam between clear window & resin section. Looks like it's cracked halfway around; doesn't flex in the other direction.

Suspect it's likely to have suffered bring bent in someone's pocket fracturing the body, perhaps where the threaded clear part starts (assuming 146 also has a screwon section). I gave it a good hard try twisting section vs barrel, it's not unscrewing so it's still bonded tight.

Now waiting for it to properly dry out before any further investigation ;)





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