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Thread: Planer Feed Roller problems

  1. #1

    Planer Feed Roller problems

    I have a Jet Jointer/Planer JJP-12 that won't feed consistently. It'll be working fine one minute then will be sticky the next. Sometimes it stalls with the rollers still spinning, sometimes the spring loaded clutch jumps but it keeps feeding. (There is a clutch to engage the feed because it's a jointer/planer)

    I've cleaned and lubed the table, adjusted the roller tension, cleaned the infeed roller. Seems like every time I do something, it works for a few minutes then gets sticky again.

    As for the machine, no table rollers, serrated infeed roller, rubber outfeed. Best adjustment seems to be moderate to light spring pressure on the infeed, very light on outfeed.

    The outfeed roller is a bit worn (or compressed) as it is smaller in diameter at the middle. I'm wondering if that's causing the rollers to be out of sync and fight each other. Outfeed feeding fewer fpm due to reduced diameter.

    Any better ideas?

    Thanks.

  2. #2
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
    Posts
    9,970
    lower the outfeed roller, increase the tension on the input roller. Adjust and lube bed rollers, wax table. All the regular stuff

  3. #3
    If the planer has a pressure bar between the cutter head and out feed rollers I suspect it is a little low.

  4. #4
    Thanks, Bill and Bradley. I did try all the regular stuff several times but it's eluding me. No pressure roller or bed rollers to mess with. Bed rollers would probably solve it but it's worked fine for almost 10 years. New outfeed roller is on the way. Hope that fixes it.

  5. #5
    Join Date
    Feb 2009
    Location
    LI, NY
    Posts
    206
    How about dull blades? Did you change them lately? I know they would cause similar problems on a "lunch-box" planer.

  6. #6
    clean the bed and wax it.
    Be the kind of woman that when your feet hit the ground each morning, the devil says, "oh crap she's up!"


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  7. #7
    Join Date
    Feb 2003
    Location
    McKean, PA
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    Quote Originally Posted by Michelle Rich View Post
    clean the bed and wax it.
    I do this each time I use my planer. It saves a lot of time and you don't have to pull lumber through the cut.
    Lee Schierer
    USNA '71
    Go Navy!

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  8. #8
    Join Date
    Nov 2012
    Location
    Southwestern CT
    Posts
    1,392
    Like Lee, I clean and wax frequently and that seems to keep things operating consistently. Different woods (and surfaces) seem to exhibit different amounts of friction and the wax seems to minimize that variable.
    "the mechanic that would perfect his work must first sharpen his tools.” Confucius

  9. #9
    Join Date
    Apr 2008
    Location
    East Virginia
    Posts
    830
    Quote Originally Posted by Michelle Rich View Post
    clean the bed and wax it.
    On my Foley/Belsaw planer/molder, I also clean the rubber drive roller by scrubbing with a rag and mineral spirits. This seems to give a little more grip.

    When I first got the machine, I thought it needed new rubber roller(s) but when I called Foley/Belsaw, this was what the guy recommended.

  10. #10
    Replaced the outfeed roller and it's back to normal again. Was dreading taking the whole machine apart but it only took 30 minutes. Helped that the cutterhead bearing came out pretty easily.

    I'm sticking with my original theory that wear made it just enough smaller to be out of sync with the infeed roller so it wouldn't feed unless everything else was perfect.

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