Sandpaper for NRV disassembling

Discussion in 'Fettling Forum' started by hikerduane, Jan 18, 2022.

  1. hikerduane

    hikerduane Subscriber

    Offline
    Joined:
    Mar 1, 2010
    Messages:
    9,742
    Location:
    Plumas County, CA
    Over the years, have cracked a few NRV's using just a small wrench and slotted screwdriver, crushed a few squishing with Vise Grips padded with leather. What to do? Recently while working on a early Optimus stove, thought of using sandpaper. Presto! Worked great, doesn't require potentially crushing force with Vise Grips, pliers are sufficient with the "sand" facing the NRV of course. Even using leather the NRV would still rotate.
    Duane
     
  2. OMC

    OMC United States Subscriber

    Offline
    Joined:
    Sep 13, 2013
    Messages:
    5,365
    Location:
    ILLINOIS, USA
    another good post :thumbup: .
    What grit did you have your success with?
    sand paper backing varies (wet sanding), some made from screen, etc. etc. etc.
    BUT you maybe used the most basic paper-backed (is why no mention)


    i vaguely recall chb? suggesting grasp it with a drill chuck.. one might consider combine the 2 methods.
    unless i've missed it, sand paper is new one.
    cc @cottage hill bill
     
    Last edited: Jan 18, 2022
  3. hikerduane

    hikerduane Subscriber

    Offline
    Joined:
    Mar 1, 2010
    Messages:
    9,742
    Location:
    Plumas County, CA
    I couldn't see the grit # anymore on the piece I used, over 200 I believe. I reuse some stuff too long. :) Works good for carbon removal in lipstick burners.
    Duane
     
  4. Tony Press

    Tony Press Australia Subscriber

    Offline
    Joined:
    Jun 8, 2013
    Messages:
    9,295
    Location:
    Stinkpot Bay, Howden, Tasmania, Australia

    I use a drill chuck. Originally Christer Carlsson’s idea, if I remember correctly.

    DD579355-51E0-4364-84E9-21F765098FDC.jpeg
    [From Disassembly and reassembly of Optimus No. 199 (Ranger) ]


    Cheers

    Tony
     
    Last edited: Jan 18, 2022
  5. hikerduane

    hikerduane Subscriber

    Offline
    Joined:
    Mar 1, 2010
    Messages:
    9,742
    Location:
    Plumas County, CA
    I keep forgetting that method. Will have to see if that will work for me, all I have is my drill.
    Duane
     
  6. Tony Press

    Tony Press Australia Subscriber

    Offline
    Joined:
    Jun 8, 2013
    Messages:
    9,295
    Location:
    Stinkpot Bay, Howden, Tasmania, Australia
    Duane

    I found an old junk rechargeable drill that I took to with a hacksaw.

    Cheers

    Tony
     
  7. OMC

    OMC United States Subscriber

    Offline
    Joined:
    Sep 13, 2013
    Messages:
    5,365
    Location:
    ILLINOIS, USA
    thanks for update Tony.

    i might opt to cannibalize a newer/good drill, my well-used drills no longer have the best grip.

    hack saw, whoa,
    drill chucks i use are removeable, swappable even, follow instructions.
     
  8. hikerduane

    hikerduane Subscriber

    Offline
    Joined:
    Mar 1, 2010
    Messages:
    9,742
    Location:
    Plumas County, CA
    Tried my old drill, worked fine, but then only tried a new NRV. Also, sandpaper should work on pump shafts, but so far leather piece and Vise Grips handle them.
    Duane
     
  9. snwcmpr

    snwcmpr SotM Winner Subscriber

    Offline
    Joined:
    Nov 16, 2011
    Messages:
    20,086
    Location:
    North Carolina
    Drill chuck.