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  1. #1
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    faulty grease ***

    On a previous thread, I received a link to a grease ***(http://www.harborfreight.com/3-oz-mi...***-93486.html), provided after I inquired on purchasing an injector to apply bike grease. I purchased this ***, packed it with marine grease, and followed the instructions for application including pressing the trigger, and it won't work. I was curious onn wether someone owns a tool like this one, and can make a suggestion on troubleshooting it. Thank you.

  2. #2
    Senior Member Jed19's Avatar
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    Quote Originally Posted by mauricio2 View Post
    On a previous thread, I received a link to a grease ***(http://www.harborfreight.com/3-oz-mi...***-93486.html), provided after I inquired on purchasing an injector to apply bike grease. I purchased this ***, packed it with marine grease, and followed the instructions for application including pressing the trigger, and it won't work. I was curious onn wether someone owns a tool like this one, and can make a suggestion on troubleshooting it. Thank you.
    I can't get to your link. If it is the small HF grease *** that you are referring to, I just bought that ***, and it works perfectly. You need to pack the grease in with a spatula or plastic knife, put the lid on, then push up from the bottom with a solid object ( a beefy screwdriver works well) to get the grease up. I had to drill the orifice on my *** to really get a good flow (was suggested by poster CACycling). He had drilled his *** with a 3/32" bit, but I did mine with a 7/64" bit. The flow is great and the *** is a very good cheap and functional ***.

    Good luck.
    Regards,

    Jed

  3. #3
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    As previously stated, you have to push up the grease to prime the pump. Once you've done so it'll continue to suck fresh grease and the piston will move up on it's own.

    If you have an air bubble in the piston area you could pump all day and get nowhere.

    BTW- if the pump won't prime by pushing the piston up with a screwdriver, remove the cylinder from the pump and push some grease directly into the pump area then, reassemble. This is messy and shouldn't be needed, so save it for a last resort only.
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  4. #4
    Senior Member Homebrew01's Avatar
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    Where on a bike do you use a grease *** ?
    Bikes: Old steel race bikes, old Cannondale race bikes, less old Cannondale race bike, crappy old mtn bike

  5. #5
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    Quote Originally Posted by Homebrew01 View Post
    Where on a bike do you use a grease *** ?
    My personal bike has grease fittings in hubs, BB, headset and pedals, simplifying maintenance. none of the components require disassembly in thousands upon thousands of all weather miles.

    Even on bikes without grease fittings I find needle applicator *** to be a good way dispense and apply grease exactly where I want it, while keeping it clean and uncontaminated. When I was Campy's east coast service tech I used the *** to dispense grease for ergolever rebuilds, keeping it exactly where I wanted it and keeping my fingers cleaner.
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  6. #6
    Senior Member JonathanGennick's Avatar
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    Quote Originally Posted by FBinNY View Post
    Even on bikes without grease fittings I find needle applicator *** to be a good way dispense and apply grease exactly where I want it, while keeping it clean and uncontaminated.
    +1. I know it's a spendy way to go, but I use a Finish Line *** that screws onto those tubes of Park grease. I like it a lot, because I can just pump some out by pushing the thumb-button. It's a luxury, but an inexpensive one.

  7. #7
    Senior Member Jed19's Avatar
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    As FBinNY said in post #5, even if all the grease *** does is allow you to buy grease in $4 tubs, instead of the more expensive tubes, and also prevents the grease from getting contaminated by making sure the unused portion is protected from contamination, then it is worth the $5 price.

    The HF grease *** is very functional, and I recommend it, if you are in the market for a small grease ***.
    Regards,

    Jed

  8. #8
    Quirky Grifter LesterOfPuppets's Avatar
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    It took a bit of work to get mine primed.

    Like others, I got it for the grease guard hubs, but also use it to apply grease to seatpost, bolt threads, spoke threads, when packing regular hubs, BBs, headsets, etc.

    I reckon I should note how I primed mine. I held it upside down and smacked it a couple of times (like you would a ketchup bottle) to get the grease to settle in. Then just started pumping away, still with the *** inverted.
    Last edited by LesterOfPuppets; 04-15-11 at 04:01 PM.
    1980ish Free Spirit Sunbird fixed * 1996 Mongoose IBOC Zero-G * 1997 KHS Comp * 1990-ish Scapin * Lemond Buenos Aires Triple

  9. #9
    Senior Member CACycling's Avatar
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    Quote Originally Posted by Homebrew01 View Post
    Where on a bike do you use a grease *** ?
    The HF grease *** just pumps out grease it does not snap on to zerk fittings. Just an easy way to get grease where you need it (on threads, in bearing cups, etc.).

  10. #10
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    What's the "orifice"? Is that the tip of the ***? Or is it the hole on the inside in the cup part?

    Quote Originally Posted by Jed19 View Post
    I can't get to your link. If it is the small HF grease *** that you are referring to, I just bought that ***, and it works perfectly. You need to pack the grease in with a spatula or plastic knife, put the lid on, then push up from the bottom with a solid object ( a beefy screwdriver works well) to get the grease up. I had to drill the orifice on my *** to really get a good flow (was suggested by poster CACycling). He had drilled his *** with a 3/32" bit, but I did mine with a 7/64" bit. The flow is great and the *** is a very good cheap and functional ***.

    Good luck.

  11. #11
    Senior Member Jed19's Avatar
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    Quote Originally Posted by mauricio2 View Post
    What's the "orifice"? Is that the tip of the ***? Or is it the hole on the inside in the cup part?
    I am referring to the hole at the tip of the ***.
    Regards,

    Jed

  12. #12
    Quirky Grifter LesterOfPuppets's Avatar
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    Quote Originally Posted by FBinNY View Post
    BTW- if the pump won't prime by pushing the piston up with a screwdriver
    So THAT's what the slot on the bottom of my Dualco is for? Those things need instructions for geniuses like me.
    1980ish Free Spirit Sunbird fixed * 1996 Mongoose IBOC Zero-G * 1997 KHS Comp * 1990-ish Scapin * Lemond Buenos Aires Triple

  13. #13
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    The version with instructions costs twice as much.
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  14. #14
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    Quote Originally Posted by LesterOfPuppets View Post
    So THAT's what the slot on the bottom of my Dualco is for? Those things need instructions for geniuses like me.
    Right!!! Notice how it's shaped exactly right for a wide bladed screwdriver?

    To Homebrew01: I have Speedplay pedals that are relubricated using a grease *** to force grease through a small port on the outboard edge until clean grease extrudes from the inboard side. There is no other way to lube them properly.

    I also use the *** to meter grease into hub and other bearing races and as a dispenser for greasing seatposts, etc. It gives me just the right amount in the right place and keeps the bulk grease in the tub or 14-oz cylinder clean since I only dip into it to refil the ***.

  15. #15
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    Quote Originally Posted by FBinNY View Post
    The version with instructions costs twice as much.
    I've got an ancient version of this *** (made in the US by plews or lincoln). It had, when it was new, a bleed port at the top, to one side of the plunger. Push down on it, and air could get out. It's pipe threaded, so I took it out and put a zerk in it. That lets me fill it from a regular sized grease ***, which is a lot less messy. (I did the same thing with my regular guns, so I could fill them from the bulk *** when I worked in auto repair.) The other feature it has that I've never seen anyone mentin is that the needle tip unscrews and you can put a normal tip to grease zerks.

    Do the modern chinese versions still have these features?

  16. #16
    Quirky Grifter LesterOfPuppets's Avatar
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    Quote Originally Posted by dscheidt View Post
    Do the modern chinese versions still have these features?
    My Dualco does have a replaceable tip. I just have the stock short tip and got a longer tip so I can reach the Grease Guard hub ports. Haven't shopped for a zerk tip.
    1980ish Free Spirit Sunbird fixed * 1996 Mongoose IBOC Zero-G * 1997 KHS Comp * 1990-ish Scapin * Lemond Buenos Aires Triple

  17. #17
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    Quote Originally Posted by LesterOfPuppets View Post
    My Dualco does have a replaceable tip. I just have the stock short tip and got a longer tip so I can reach the Grease Guard hub ports. Haven't shopped for a zerk tip.
    The Duelco's tip has standard 1/8" NPT female pipe threads so you can use anything threaded compatibly as a replacement. I bought a 1/8" NPT male to 1/8" tubing adapter and made a 4" extension out of 1/8" copper tubing to let me add grease to bearing races more easily. The standard Duelco tip works very well as a grease injector for my Speedplays.

  18. #18
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    Thanks, worked perfectly after drilling the tip.

    Quote Originally Posted by mauricio2 View Post
    What's the "orifice"? Is that the tip of the ***? Or is it the hole on the inside in the cup part?

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