Need advice installing a locknlube coupler on a new Dewalt grease gun . . .
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Thread: Need advice installing a locknlube coupler on a new Dewalt grease gun . . .

  1. Top | #1
    ralphtt's Avatar
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    Need advice installing a locknlube coupler on a new Dewalt grease gun . . .

    Can't get the original coupler off. Have applied an inordinate amount of torque and it will not budge. Am concerned that anymore torque will damage the hose fitting so the locknlube coupler cannot be installed.

    Any advice?

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    Ralph T
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    Keeper of the GTT Cookies dieselshadow's Avatar
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    Ralph, are you trying to wrench apart the two silver “nuts”, not the spring portion of the hose right? Not in any way shape or form saying anything, just checking.

    I would put the larger coupler “silver nut” in the vise and try to spin off the hose by the flats above the pictured spring. I think that’s what you did and told me earlier this evening.
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    Bonehead Club Lackey Levi's Avatar
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    Quote Originally Posted by ralphtt View Post
    Can't get the original coupler off. Have applied an inordinate amount of torque and it will not budge. Am concerned that anymore torque will damage the hose fitting so the locknlube coupler cannot be installed.

    Any advice?

    Click image for larger version. 

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    What dieselshadow said. Me? I'd just put a wrench on the top silver nut at 7 o'clock and another one on the bottom silver nut at 5 o'clock and squeeze them together.
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    The "big silver nut" looks like a compression fitting. It most certainly is not an integral part of the black coupler. Put the coupler in the vise and wrench on the big silver nut.

    Remember, lefty loosey righty tighty.

    Al
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    don't you put the top nut in the vise and grab the darker part w channel locks and just remove that? not sure the junction is between the nuts?????
    Last edited by fdmars; 10-02-2017 at 09:04 PM.
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    gotterdun!

    and I truly appreciate the tips, fellows. GTT expertise wins yet again!

    Jason, I had earlier tried by putting the smaller of the two nuts in the vise and wrenching on the large nut. That's what left the vice mark on the smaller nut and was trying to round the corners of the aluminum (soft) nut. So, I abandoned that approach for the time being . . .

    And, Levi, I had tried the squeeze the wrenches together trick. Just couldn't generate enough torque . . . maybe I need to eat more Wheaties.

    So, then I decided to put the larger nut in the vise and wrench on the smaller nut. This also rotated the hose but only a quarter turn was necessary so it really didn't matter. SUCCESS!! Turned out the smaller nut fit my 12mm wrench better and by using it I was able to get the job done.

    And, fd, the junction turned out to be between the nuts. I had tried to remove the darker part with visegrips earlier but no joy.

    Thanks, guys!
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    Bonehead Club Lackey Levi's Avatar
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    Quote Originally Posted by ralphtt View Post
    gotterdun!

    and I truly appreciate the tips, fellows. GTT expertise wins yet again!

    Jason, I had earlier tried by putting the smaller of the two nuts in the vise and wrenching on the large nut. That's what left the vice mark on the smaller nut and was trying to round the corners of the aluminum (soft) nut. So, I abandoned that approach for the time being . . .

    And, Levi, I had tried the squeeze the wrenches together trick. Just couldn't generate enough torque . . . maybe I need to eat more Wheaties.

    So, then I decided to put the larger nut in the vise and wrench on the smaller nut. This also rotated the hose but only a quarter turn was necessary so it really didn't matter. SUCCESS!! Turned out the smaller nut fit my 12mm wrench better and by using it I was able to get the job done.

    And, fd, the junction turned out to be between the nuts. I had tried to remove the darker part with visegrips earlier but no joy.

    Thanks, guys!
    Yah, the roadrunner doesn't have enough protein.

    Glad you got things to work.
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    tj1
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    I found mine to be exceptionally tight too but perseverance won out.. Glad it all worked for you.. and I've changed many hoses and tips in my lifetime!
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    Jeff

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    Dewalt grease gun

    Anyone have a problem putting grease cartridges in the gun??? I have a heck of a time getting the plunger in, cannot have spring compressed have to let it extend and force in like a slinky.. a real pain
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