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Thread: Martin T-17 rebuild

  1. #16
    After having a few of these apart, I am not sure about the grease lube of that part. It always collects a bunch of dust in there and makes sticky dust cakes, but they all have been in good shape. I say light grease and keep on blowing that area out with compressed air.
    I eliminated the open bearings for the arbor and used shielded, too much of a PIA to get to the grease fittings and it makes a sticky dust mess. Still rated for 2x arbors max rpm. Motor got 2RS, had shielded one side and no way to lube them, looked to be original bearings??

  2. #17
    Join Date
    Feb 2015
    Location
    Beantown
    Posts
    1,697
    I reluctantly left mine dry. All the sawdust I found in it seemed to only make sense to not lube. On the other hand maybe the lube keeps pitch and whatnot from getting jammed in the gears?

    When I ordered bearings they showed up shielded. I popped a shield off one face for the arbor. For the motor I left them shielded.

    What’s your plan for the giant spring strut?

    Quote Originally Posted by Darcy Warner View Post
    After having a few of these apart, I am not sure about the grease lube of that part. It always collects a bunch of dust in there and makes sticky dust cakes, but they all have been in good shape. I say light grease and keep on blowing that area out with compressed air.
    I eliminated the open bearings for the arbor and used shielded, too much of a PIA to get to the grease fittings and it makes a sticky dust mess. Still rated for 2x arbors max rpm. Motor got 2RS, had shielded one side and no way to lube them, looked to be original bearings??

  3. #18
    Join Date
    Aug 2013
    Location
    Princeton, NJ
    Posts
    5,889
    Blog Entries
    7
    I think you need a lubricant. What about dry lube for chains?
    Bumbling forward into the unknown.

  4. #19
    Join Date
    Feb 2015
    Location
    Beantown
    Posts
    1,697
    Yeah I have been wondering/considering the same.

    I have no experience with dry lube except on bike chains like say T-9 i think it was called.

    On machinery though I really have no idea how it applies and or what brands are used..

    Been considering what I’ll use to lube the chains that turn the worm gear speaking of chains and lube.

    Quote Originally Posted by Brian Holcombe View Post
    I think you need a lubricant. What about dry lube for chains?

  5. #20
    Join Date
    Jul 2007
    Location
    Inkerman, Ontario, Canada
    Posts
    384
    Grease the spring and inside the tube, or it will squeak every time you tilt the blade.

    Quote Originally Posted by Patrick Walsh View Post
    Darcy looks really nice.

    Is there any need to grease the worm gear?

    Iím loathing compressing that spring and getting the strut put back in my machine.

    Mark has outlined a fairly safe way to do it but Iím still nervous. Anything can go wrong at anytime and with a spring like that preloaded removing it from a arbor press with that shim in there and handling it while I get it back in the machine has me with some pretty cold feet.

    I probably look back and wonder what I made a big deal about. Well hopefully......

  6. #21
    IMG_20190610_155526_546.jpg

    Wish it was a slider, but still happy to have a 77 back in the shop. I will always miss my 77 slider.

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