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Author Topic: Grease Gun problem  (Read 6632 times)
Dean2k
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« on: October 20, 2008, 09:37:13 AM »

Okay, I am trying to do some DIY crack injection using the grease gun method.   The main problem here is that I lose liquid out of the bottom of the grease gun where the plunger and trigger come out of.  So I found it extremely difficult to flush the cracks with water and I'm not sure how much made it into the grease nipple, because most of it looked like it was on the floor.  The other problem then is that I lose some of my precious grout also.

Is this normal and expected with the grease gun method?  Or is this a problem with the particular grease gun model?

Any help would be great, thanks.
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Rod Johnson
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« Reply #1 on: October 20, 2008, 03:25:53 PM »

The problem must be with the grease gun. Try replacing it with a new one (Lever gun) but get a different brand, they are not created equally. The flushing with water should be done using a pump up garden sprayer fitted with a 1/4" plastic or metal (brake line works) wand to remove the drilling dust from the drill holes. This will introduce enough moisture into the crack to set off the grout.
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Dean2k
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« Reply #2 on: October 21, 2008, 10:09:34 PM »

Thanks for the input Rod.   I'll invest in a new gun for my next go around.    Maybe I misread the directions, but I thought I had to flush the holes after the packers were in place to help the grout react.   I had flushed the dust out the drilled holes prior to the packers going in, but that was the day before I started the injection.
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Rod Johnson
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« Reply #3 on: April 21, 2009, 09:59:28 AM »

The moisture from the flushing the day before will be sufficient to induce a reaction from the grout.
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