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profdant139's avatar
profdant139
Explorer II
Oct 27, 2013

Lubricating the tongue wheel jack: how & with what?

Surprisingly, I can't find any guidance on this issue -- do I need to lube the jack? Just the shaft? Inside the mechanism (and if so, how to get in there -- there are no lube points)?

I am reluctant to put lithium grease on the jack shaft -- it'll trap dirt and cause more wear.

Thanks in advance for your suggestions!
  • wmoses wrote:
    This came from a manual that can be found online. Your tongue jack would be similar.

    LUBRICATION
    The jack is lubricated before leaving the factory. Under normal conditions, lubrication will be needed after one year. WARNING: The weight of the Trailer tongue should be supported by blocks or the Ball Hitch of the tow vehicle before proceeding.
    1. The Foot should be fully extended.
    2. Using the Toggle Switch, extend the jack until the Foot Pad is 2" from the ground.
    3. Loosen the four #8 Phillips Head Screws and remove the Gear Housing Cover.
    4. If required, repack the exposed gears with a common Lithium Base Machine Grease.
    5. Reassemble Gear Housing Cover.
    6. Using a 1/4" Allen Wrench, remove the four 5/16" Socket Head Screws holding the Motor Head to the Outer Tube.
    7. Lift the Motor Head and Screw Assembly away from the Outer Tube.
    8. Clean and regrease the Jack Screw and Nut with a common Lithium Base Machine Grease.
    9 . Reassemble Motor Head and Screw Assembly to Outer Tube. Replace the Fuse.


    This should help me as I have electric.
    Thanks!
    Pat
  • profdant139 wrote:
    Wayne, my jack is not electric, but you have given me an idea -- I should figure out what kind of jack I have and then go online to get the manual. (The jack came with the trailer and I do not see any manufacturer's marking on it, but I can look at some pictures to find one that looks similar.) Should have thought of that myself, but I didn't. Thanks.

    You are welcome.

    Either way the place to lubricate is the gears only.
  • Wayne, my jack is not electric, but you have given me an idea -- I should figure out what kind of jack I have and then go online to get the manual. (The jack came with the trailer and I do not see any manufacturer's marking on it, but I can look at some pictures to find one that looks similar.) Should have thought of that myself, but I didn't. Thanks.
  • This came from a manual that can be found online. Your tongue jack would be similar.

    LUBRICATION
    The jack is lubricated before leaving the factory. Under normal conditions, lubrication will be needed after one year. WARNING: The weight of the Trailer tongue should be supported by blocks or the Ball Hitch of the tow vehicle before proceeding.
    1. The Foot should be fully extended.
    2. Using the Toggle Switch, extend the jack until the Foot Pad is 2" from the ground.
    3. Loosen the four #8 Phillips Head Screws and remove the Gear Housing Cover.
    4. If required, repack the exposed gears with a common Lithium Base Machine Grease.
    5. Reassemble Gear Housing Cover.
    6. Using a 1/4" Allen Wrench, remove the four 5/16" Socket Head Screws holding the Motor Head to the Outer Tube.
    7. Lift the Motor Head and Screw Assembly away from the Outer Tube.
    8. Clean and regrease the Jack Screw and Nut with a common Lithium Base Machine Grease.
    9 . Reassemble Motor Head and Screw Assembly to Outer Tube. Replace the Fuse.