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Thread: Star Sizer Disassembly question - Air Mod related

  1. #1
    Boolit Man JackQuest's Avatar
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    Star Sizer Disassembly question - Air Mod related

    MANY THANKS!! IT IS APART!!

    Looking at doing the Air pressure feed mod on my 40+ year old Star Sizer. I'm usually pretty good at figuring out how things come apart, but the main compression screw and the top nut from the Lube Cylinder have me stumped.

    The part I call a Pusher Button (in photos, below) appears to be a press fit on the end of the 5/8"-18 compression screw, but I'm not sure and I don't want to damage anything.

    How do I go about getting the 5/8"-18 threaded screw out of the Lube Cylinder cap?

    Click image for larger version. 

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    Last edited by JackQuest; 08-25-2019 at 11:31 AM. Reason: correct info received from Forum
    There is no such thing as an ex-Submariner.

    2 wrongs do not make a right, but 3 lefts do.

  2. #2
    Boolit Man JackQuest's Avatar
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    Looking again through this thread -

    http://castboolits.gunloads.com/show...ccessful/page2

    - I find reply #33 implies this is a press fit. I will try applying some heat and see what happens.
    There is no such thing as an ex-Submariner.

    2 wrongs do not make a right, but 3 lefts do.

  3. #3
    Boolit Buddy
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    Greetings

    yes it is pressed in what i did to remove mine was to back the top nut up to the handle then placed in in between the jaws of a vice close the jaws just enough to catch the rim of the pusher button and them i held on to the nut and turned the handle closing until the posher button poped off.

    Hope this helps and you understand what im trying to explain.

    John J

  4. #4
    Boolit Man JackQuest's Avatar
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    John J:

    Thanks much! Yes, think I've got it. Will apply a little heat and torque tomorrow and see what happens.

    Again, thanks!
    There is no such thing as an ex-Submariner.

    2 wrongs do not make a right, but 3 lefts do.

  5. #5
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    garandsrus's Avatar
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    I just made a new nut so the original wasn’t altered at all. I threaded the new nut for the press and threaded the hole in the center of the cap for a quick change air fitting. I added an O ring inside the cap, just sits there, to make the press to cap an air tight fit.

    The lube plunger is aluminum with two o rings to seal against the cylinder side. There is also a threaded hole in the top so that a rod can be threaded in and the plunger pulled out.

  6. #6
    Boolit Master cheese1566's Avatar
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    Remove the top handle and thread the main nut off from the top.

  7. #7
    Boolit Man JackQuest's Avatar
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    Quote Originally Posted by cheese1566 View Post
    Remove the top handle and thread the main nut off from the top.
    cheese1566 - sorry - won't work. First thing I measured and it is the same height (5/8") as the thread tops.

    However, input from others pointed me in the correct direction.
    There is no such thing as an ex-Submariner.

    2 wrongs do not make a right, but 3 lefts do.

  8. #8
    Boolit Man JackQuest's Avatar
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    To close out this thread, here is a photo of the the disassembled parts. The collar is a very nicely machined pressed fit. A little heat and some dilligent tapping with small hammer and drift punch got the collar off the threaded rod.

    Click image for larger version. 

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    There is no such thing as an ex-Submariner.

    2 wrongs do not make a right, but 3 lefts do.

  9. #9
    Boolit Master cheese1566's Avatar
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    Magma must have started to reduce the top. Both of mine came off that way.

    Good to see you was successful!


    Quote Originally Posted by JackQuest View Post
    cheese1566 - sorry - won't work. First thing I measured and it is the same height (5/8") as the thread tops.

    However, input from others pointed me in the correct direction.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check