AR-160/AR-275 lower fuser bearing grease

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  • oldrn
    Trusted Tech

    100+ Posts
    • Apr 2008
    • 166
    #1

    AR-160/AR-275 lower fuser bearing grease

    Any suggestions on the proper grease for the lower fuser bearings on these models?I know these bearings have been around forever but lately it seems to be more critical to have the proper grease on these bearings. This may seem to be a simple thing to some of you but I work on so few machines that it hasn't been an issue until now. Sharp uses a white grease but I am not sure what it is or where to get it. The AR-M160 service manual refers to a #JFE552 grease but this doesn't appear to be a good part number. Any help or suggestions would be appreciated.
    Tags: 160, 208s, 275, ar-208s, bearing, bushings, critical, dirt, fuser, good, grease, issue, lower, lubricants, lubrication, m160, manual, models, number, part, part number, service, service manual, sharp, white, work
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22995
      #2
      Whenever you have plastic bushings in a fuser, it's preferable to run them dry. Most lubricants will eventually collect grit and slow the lower roller. Some things just have to have lubrication, though.

      If you still want to lubricate, the fixing film lubricant is the best high temp lubricant, aka Molykote HP 500 High Temp Grease. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

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        • oldrn
          Trusted Tech

          100+ Posts
          • Apr 2008
          • 166
          #3
          Thanks blackcat for the reply. I agree with the grease attracting dirt factor. Sharp does show a recommendation for grease on these bushings but maybe this is one of those places where experience should overrule the engineers. The grease factor came into question in my mind when we started having problems on the smaller Sharp AR-208S. The fuser units would be so tight that the dive gear in the drive unit would get stripped. It seemed to me that cleaning and lubing these bushings would free things up but not for a long enough period of time. Then I started wondering if this was a contributor to similar gear wear on the AR160 series machines. My mistake on the 275s by the way, I realized that they have real bearings after making the post. So, maybe I will just try cleaning up the bushings on the next one and see how it goes. Thanks again for your input.

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