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Thread: Parker 51 vacumatic restoration

  1. #21
    FPG Donor ♕ Chrissy's Avatar
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    Default Re: Parker 51 vacumatic restoration

    Quote Originally Posted by Bananabender View Post
    Quote Originally Posted by Chrissy View Post
    Quote Originally Posted by Bananabender View Post
    I have tried to the best of my limited ability to unscrew the cap jewel . So I have coming a nos jewel from the States
    My thinking is I can ,using a fine drill bit ,drill out the old one from the inside without damaging anything .
    Possible?
    No not easily possible as you would have to remove the cap clutch before you could get access to the bottom end of the screw. I looked in the Pen Repair manual and both 51 Aero and Vac have internal clutches. They are very hard to remove without a special tool made for that purpose.

    Also, it would depend on whether you are buying a new screw to go with your new jewel since the jewel is screwed into a screw that is specially threaded to fit the jewel. Damage that thread with your drill bit and you will need a new screw.

    If you absolutely have to destroy an original Parker cap jewel (tragic), because all of the available sticky/rubber gripping removers have failed, then it maybe better to slice it off from the outside then drill the stem out of the screw before fitting your new jewel.

    Did you look on Pentooling for cap tools/jewel removers? I bought a couple of different versions and they both work like a dream.

    I've just spotted you are in Australia so maybe you can't get a delivery from Pentooling. Have you tried rubber gloves or a pencil eraser? Ideally you need something that is rubbery and very sticky.
    Many Thanks for for your detailed reply . I’ll have to absorb it all .
    As my other hobby is/was restoring old watches I have tools such as sticky ball to unscrew casebacks etc and have used other
    Ways such as masking tape wound around rubber balls sticky outside. I tried an eraser , rubber base , heat gun to no avail.
    It doesn’t help the clip band it screws into also turns without jamming something uo the cap.
    Pentooling do deliver ,not cheap and takes a month with covid but may be the way to go.
    If it was my pen then first I would definitely find a way of stopping the clip from turning and second maybe use some naphtha or rubbing alcohol on a cotton bud around the jewel just in case it's glued in with something stronger than shellac. Everyone here is going to advise against that and that's why I said if it was my pen.
    Failing the naphtha or rubbing alcohol, and as it's a metal cap I might even dip the end in a pot of almost boiling water and then try it with my sticky rubber.
    Regards, Chrissy | My Blog: inkyfountainpens

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  3. #22
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    Default Re: Parker 51 vacumatic restoration

    I’ve got Naptha so I’ll give both a try.

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    Default Re: Parker 51 vacumatic restoration

    Boiling water and alcohol will damage the jewel.

    Try soaking the end of the cap in naphtha. If you can sonicate it in naphtha.

    You will need to hold the inner cap in place. The celluloid jewel screws into a usually brass retaining screw that screws into the inner cap and holds the clip in place.

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    Senior Member pajaro's Avatar
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    Default Re: Parker 51 vacumatic restoration

    Quote Originally Posted by Farmboy View Post
    Boiling water and alcohol will damage the jewel.

    Try soaking the end of the cap in naphtha. If you can sonicate it in naphtha.

    You will need to hold the inner cap in place. The celluloid jewel screws into a usually brass retaining screw that screws into the inner cap and holds the clip in place.
    If the brass screw the jewel screws into slot for screwdriver gets stripped, ican it be removed?

  6. #25
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    Default Re: Parker 51 vacumatic restoration

    I read with great interest some of the recent replies – the methods used – chemicals.

    Over the last 2 years I have removed a few P51 Aero / Vac jewels without damaging any thing.

    Only ever used lukewarm water, an ultra sonic and a good hair dryer ( dry heat )

    I am sure that in the future I will encounter a super glued one.
    Then I will have no chance at all.

    Even epoxy resins can be over come with dry heat.

    Some thoughts……….

    As for gripping a cap jewel – try a piece of Red Dycem, it has never failed me.

  7. #26
    Senior Member Ron Z's Avatar
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    Default Re: Parker 51 vacumatic restoration

    If the brass screw the jewel screws into slot for screwdriver gets stripped, can it be removed?

    Use a screw extractor/Ez out. You might be able to use the clip screw again if you recut the notch with a hacksaw blade. Be careful doing it....

    Visit Main Street Pens
    A full service pen shop providing professional, thoughtful pen repair....

  8. #27
    Senior Member FredRydr's Avatar
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    Default Re: Parker 51 vacumatic restoration

    Quote Originally Posted by Ron Z View Post
    Use a screw extractor/Ez out....
    I've searched for a miniature version. What size have you found?

  9. #28
    Senior Member pajaro's Avatar
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    Default Re: Parker 51 vacumatic restoration

    Quote Originally Posted by Ron Z View Post
    If the brass screw the jewel screws into slot for screwdriver gets stripped, can it be removed?

    Use a screw extractor/Ez out. You might be able to use the clip screw again if you recut the notch with a hacksaw blade. Be careful doing it....

    Thanks. I had thought I might have had to use a donor cap for the screw. Your tip in recutting the notch should work, though. Thanks again.

  10. #29
    FPG Donor ♕ Chrissy's Avatar
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    Default Re: Parker 51 vacumatic restoration

    Quote Originally Posted by proteus View Post
    As for gripping a cap jewel – try a piece of Red Dycem, it has never failed me.
    Is it available in Australia?
    Regards, Chrissy | My Blog: inkyfountainpens

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    Default Re: Parker 51 vacumatic restoration

    Have read the last 3 posts about removing a damaged FP cap screw.

    Get the correct width screwdriver.

    Coat very lightly with super glue and then wait about 15 seconds.

    It will then be 75% solidified.

    Offer it up to the screw and hold it there for about 2 minutes.

    It will come out.

    As for re slotting the screw……..they cost pennies.
    Get a new one.

    If you lived in the UK, I would send you one for free.

  12. #31
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    Default Re: Parker 51 vacumatic restoration

    Chrissy

    As always, an excellent question.


    Is it available in Australia?

    To be honest I have no idea.



    If ever you wish try some Red Dycem ( I have a large roll of it ) I am sure that you know where to contact me direct.

    It is free, can post tomorrow.

  13. #32
    FPG Donor ♕ Chrissy's Avatar
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    Default Re: Parker 51 vacumatic restoration

    Quote Originally Posted by proteus View Post
    Chrissy

    As always, an excellent question.


    Is it available in Australia?

    To be honest I have no idea.



    If ever you wish try some Red Dycem ( I have a large roll of it ) I am sure that you know where to contact me direct.

    It is free, can post tomorrow.
    Thank you. PM sent.
    Regards, Chrissy | My Blog: inkyfountainpens

  14. #33
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    Default Re: Parker 51 vacumatic restoration

    Organisations that supply to handicapped, arthritic etc. sell the red and blue in various configerations down here.
    Interesting you say red.
    According to one organisation for those with eating disorders red dycem mats encourages eating whilst blue the opposite .
    Last edited by Bananabender; November 27th, 2020 at 08:20 PM.

  15. #34
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    Default Re: Parker 51 vacumatic restoration

    Mr Bananabender,

    This is the product that I have mentioned.

    Costs about £10 for a 1 metre roll.


    They even make it in yellow…………
    Attached Images Attached Images

  16. #35
    FPG Donor ♕ Chrissy's Avatar
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    Default Re: Parker 51 vacumatic restoration

    Quote Originally Posted by proteus View Post
    Mr Bananabender,

    This is the product that I have mentioned.

    Costs about £10 for a 1 metre roll.
    That looks neat.
    Regards, Chrissy | My Blog: inkyfountainpens

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    Default Re: Parker 51 vacumatic restoration

    If anyone is interested………..

    Here in the UK we are still in lockdown.

    Today whilst I had some time to spare, I decide to deal with 2 very awkward P51 Vacs.


    Both are an adventure……

    So far this year I have restored 5 others – completely, with no issues.



    These were different – both had diaphragm issues – neither would release at all.

    I released first one from the barrel, newish (flexible) diaphragm – but because it had been glued, about 10mm was left still struck to the inner barrel. !
    After leaving it in household white spirit ( I am not a fan of using chemicals on my pens ) for an hour the glue had dissolved.

    Then I was unable to release the pellet ( still in the sac ) from the filler.
    So I cut the rubber off level with pellet holder.
    After a seconds of moving the pellet around in its holder with a fine neddle, the small end of the rubber was released and the pellet dropped out.


    The other was totally different, the diaphragm had solidified.

    Was able to remove the residue of it from the nib end of the barrel.

    The released filler's diaphragm is stuck solid to the barrel, will not move.


    In order to save the filler, I cracked open the barrel to find that the filler was actually fused to the barrel.
    I did manage to release it eventually.
    Last edited by proteus; November 29th, 2020 at 11:55 AM.

  18. #37
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    Default Re: Parker 51 vacumatic restoration

    Thanks Proteus , We have those rolls down here for around aud$40 metre.
    Sorry to hear about lockdown . We went through that to various degrees depending where you lived.
    Only known active cases currently in Australia is 2 plus those overseas travellers who are in hotel quarantine.

  19. #38
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    Default Re: Parker 51 vacumatic restoration

    For anyone who is interested.........

    Rather than just add my additional comments here, I have updated the above reply and added some photography.

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