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Greasing Wheel Bearings

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  • Greasing Wheel Bearings

    I've had Sure Lube axles before. Slick way to grease the bearings. I thought our 2019 Karavan had them as well, but when I did my winterizing today I'm not so sure.

    The rubber caps said to remove them to grease the bearings. The caps were also monogrammed "UFP". Inside there was what looked like a grease fitting, but it was flush, not like a protruding nipple that you could attach a regular grease gun to.

    The visible grease was red, if that makes any difference.

    What do I have? What type of grease gun fitting do I need?
    2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
    2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
    2015 Yamaha FX Cruiser HO
    1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
    1960 Mulray 100 Dinghy, equipped with Beaver Oars
    1952 Lyman 15' Mid Steer & Evinrude Big Twin 25
    69 Outboards: 1919-2019, representing 11 manufacturers
    -------------------------------------------------------------------
    Member ACBS, LBOA, AOMCI

  • #2
    You probably have already, but wondering if you wiped it down with a rag for a better look? Did you try putting a grease gun on it?

    Maybe consider changing the fitting?

    Comment


    • #3
      I have a grease fitting on the end of my shaft.

      Load-rite Sup-R-Lube

      Rotate tire while pumping in new grease. Continue until clean grease is coming back out.

      Covers don’t mean much. Lost a ton of them over the years. Keep a couple of caps and a handful of rubber inserts in the back of the truck as spare.

      I use TSC disc brake (red) grease.
      ....

      Comment


      • #4
        Originally posted by ahicks View Post
        You probably have already, but wondering if you wiped it down with a rag for a better look? Did you try putting a grease gun on it?

        Maybe consider changing the fitting?
        Nothing to wipe down. After removing the rubber cap its perfectly clean inside. Just barely a hint of grease. The fitting seems to be flush with the end of the spindle. I touched the end of my grease gun to it, but since it couldn't lock onto a nipple all it did was squirt grease out.
        2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
        2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
        2015 Yamaha FX Cruiser HO
        1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
        1960 Mulray 100 Dinghy, equipped with Beaver Oars
        1952 Lyman 15' Mid Steer & Evinrude Big Twin 25
        69 Outboards: 1919-2019, representing 11 manufacturers
        -------------------------------------------------------------------
        Member ACBS, LBOA, AOMCI

        Comment


        • #5
          Originally posted by dingbat View Post
          I have a grease fitting on the end of my shaft.

          Load-rite Sup-R-Lube

          Rotate tire while pumping in new grease. Continue until clean grease is coming back out.

          Covers don’t mean much. Lost a ton of them over the years. Keep a couple of caps and a handful of rubber inserts in the back of the truck as spare.

          I use TSC disc brake (red) grease.
          I also have a grease fitting on the end as well, but it doesn't mate with my gun. I can't rotate the tire because i can't put grease in. I didn't lose the cover, I merely reported what was written on it.
          2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
          2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
          2015 Yamaha FX Cruiser HO
          1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
          1960 Mulray 100 Dinghy, equipped with Beaver Oars
          1952 Lyman 15' Mid Steer & Evinrude Big Twin 25
          69 Outboards: 1919-2019, representing 11 manufacturers
          -------------------------------------------------------------------
          Member ACBS, LBOA, AOMCI

          Comment


          • #6
            Karavan uses Chevron / Texaco Starplex 2 grease, its lithium based.
            Well, at least thats whats in my two trailers.

            UFP is a vendor product line, made by Dexter, also known as Dexko Global.
            Karavan buys Hubs, brake drums, actuators, disc brakes, and axles from them.
            E-Z Lube, , Nev-R-Lube, Trailer Buddy, Vault Hybrid, are some of their products.

            Ok, have you checked both spindles for a zerk ?
            My 2 Karavan trailers have pressed in zerks. Could be they forgot to put one in, or it fell out?

            I have actually pulled the zerk out with my grease gun, keep a package of replacements in the truck now.
            Last edited by roscoe; October 8th, 2019, 01:06 AM.
            Medford, WI


            Comment


            • #7
              UFP is "Unique Functional Products" now a part of Dexter

              they make hubs and brakes and the hidden tongue actuator head.

              when you get bearings and seal, get them from UFP as they are a slighly different size than everyone elses.

              google UFP vault hybrid lubrication system
              Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

              1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

              Past Boats
              1970 Wooster Hellion - Merc 9.8
              2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
              1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

              What’s behind you doesn’t matter.Enzo Ferrari

              Comment


              • #8
                I don't have anything real new, and I'm struggling to picture a grease fitting that I can't get a grease gun on, especially one on a Dexter axle. Does anyone have a pic of this arrangement?

                Comment


                • #9
                  It is entirely possible the existing Zerk has been broken off when being installed and there never has been grease in the bearing. Check the other side.

                  Comment


                  • #10

                    The first picture is the hub of my 2017 Karavan. You can see its got a "standard" zirc mounted on the end of the axle spindle. It protrudes about 1/4" and thus is easily attached to a grease gun. Also visible in the picture is the bent over cotter pin.

                    The second picture is the 2019 trailer. It also has what appears to be a grease fitting mounted on the end of the spindle. The fitting only extends out about 1/16" plus its dished and wider than a grease gun fitting.

                    How do I grease this axle?

                    Click image for larger version

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                    Click image for larger version

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                    2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
                    2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
                    2015 Yamaha FX Cruiser HO
                    1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
                    1960 Mulray 100 Dinghy, equipped with Beaver Oars
                    1952 Lyman 15' Mid Steer & Evinrude Big Twin 25
                    69 Outboards: 1919-2019, representing 11 manufacturers
                    -------------------------------------------------------------------
                    Member ACBS, LBOA, AOMCI

                    Comment


                    • #11
                      Originally posted by Silvertip View Post
                      It is entirely possible the existing Zerk has been broken off when being installed and there never has been grease in the bearing. Check the other side.
                      Like Silvertip said, Sorta looks like it may have broken off...try to remove it....it'll either be pressed in or threaded, so try to back it out with a twisting motion....

                      Comment


                      • #12
                        A quick google says it's called a button head grease nipple, should be able to get an adapter or pull it & replace with a normal one. No hex on it so probably press in.

                        Comment


                        • #13
                          Probably help a lot to remove the wheel and the metal dust cap so you can work on it....wonder why the factory would install 2 different types of zerks on the same trailer?....anyway a tap with a chisel and a hammer should remove it and then just press in a new normal fitting....

                          Comment


                          • #14
                            You need to use a needle adapter on your grease gun

                            Comment


                            • #15
                              Sign up today
                              Originally posted by cobalt1999 View Post
                              You need to use a needle adapter on your grease gun
                              Ding ding ding....correct answer.

                              You learn something new every day. Since nobody here seemed to have an answer, I did what I usually say to others when there is an unknown....call the manufacturer. What a concept!

                              Apparently, the axle and brake assembly is wide enough that they couldn't find a dust cap big enough to cover a regular zirc. So, they put on the one you see in my picture. Their Engineering Dept. said I need a grease gun fitting to fit a needle zirc.

                              No, it's not a button head - looks nothing like that. And, if you READ the post, the pics were from different trailers, not 2 oddities on the same trailer.

                              The parts are on order. Thanks for the help.
                              2019 SeaRay SPX 190 OB & Mercury 150 4-Stroke & Merc 5.0 Kicker
                              2017 Boston Whaler 150 Montauk & Mercury 60 ELPT Command Thrust & Merc 3.5 Kicker
                              2015 Yamaha FX Cruiser HO
                              1964 Sea Nymph 14R & 1970 Evinrude Sportwin 9.5
                              1960 Mulray 100 Dinghy, equipped with Beaver Oars
                              1952 Lyman 15' Mid Steer & Evinrude Big Twin 25
                              69 Outboards: 1919-2019, representing 11 manufacturers
                              -------------------------------------------------------------------
                              Member ACBS, LBOA, AOMCI

                              Comment

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