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  1. #1
    Join Date
    May 2013
    Location
    South Africa
    Posts
    162

    Default Old 15 inch thickness planer servicing

    Good day from a sunny South Africa and apologies for my bad English, it's only my second language..

    I recently purchased an old Martlet 15 inch thicknesser, it's in good working condition but I want to replace all the bearings, etc before putting it into use. Whilst removing the infeed and outfeed rollers I noticed that the bearings/bushing on these very worn, on one side of the infeed roller shaft the old bearing/bushing had already scored the shaft quite substantially as can be seen on the attached photos. My worry is that there is going to be a slight bit of play with new bearing blocks installed.. Would this cause any issues like for instance uneven planing? Or should I just smooth the shaft with sandpaper and not worry about it?
    If it's gonna cause issues I could probably take the rollers to an engineering shop and have them smooth out the shaft on a lathe and custom make new bearing/bushing blocks with the same diameter hole as the machined down shaft.

    Alternatively I could order new rollers but parts are no longer available for this planer, although I am sure Jet parts would also fit but I will have to confirm this first.

    Another question, what type of oil can I use in the gearbox?

    Thanks gents.

    20180825_141256.jpg 20180825_141312.jpg 20180830_072622.jpg

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  3. #2
    Join Date
    May 2013
    Location
    South Africa
    Posts
    162

    Default

    Another thing I wanted to ask. How does one remove the two rollers on the bottom bed?

  4. #3
    Join Date
    Oct 2013
    Location
    Perth, Australia
    Posts
    1,811

    Default

    I tore down my Jet 15" and don't remember any issues with those bottom rollers. Have a search around and you should be able to find a Jet manual with disassembly instructions, tons of companies made that model and the only differences are very minor.

  5. #4
    Join Date
    May 2013
    Location
    South Africa
    Posts
    162

    Default

    Quote Originally Posted by bueller View Post
    I tore down my Jet 15" and don't remember any issues with those bottom rollers. Have a search around and you should be able to find a Jet manual with disassembly instructions, tons of companies made that model and the only differences are very minor.
    Thanks. To be honest I haven't actually tried removing the bottom rollers yet, just thought I'd ask first because they look a little trickier to remove than the in and outfeed rollers which were a breeze to remove.

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