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WEST System 300 Mini Pump Set
$19.83In Stock
WEST System epoxy 300 Mini Pump Set
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WEST System 300 Mini Pump Set Customer Questions and Answers

5 of 5 Questions

Question

What do you do with the pumps between uses to keep them from getting clogged?

Asked on 04/08/2012 by Undisclosed

Top Answer

Resin does not cure on its own until combined with hardener. So, in regular circumstances the pumps won't clog or rather- the resin won't cure inside the pump. If you were really worried or storing them at some odd temperature you could just remove the pumps when storing but I don't think it's necessary.

Answered on 04/10/2012 by CHARLES CORNELL
See More Answers (20)

Answer

once I put them in the can, I leave them there until the container is empty. I have not had a problem with clogging.

Answered on 04/10/2012 by FORREST WATSON

Answer

Nothing. Just keep the hardener pump on the hardener container and the resin pump on the resin container and do not mix them up.

Answered on 04/09/2012 by KEVIN KENNEY

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Nothing, we have not had any problems with the Minipumps plugging between uses.

Answered on 04/09/2012 by PAUL FISCHER

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Nothing, so far. I am using them now for a few weeks and they do not get clogged. However, I do not know how long you can leave them open.

Answered on 04/09/2012 by WOLFGANG KAINZ

Answer

I've just left my pumps in the cans and have had no trouble with them getting them clogged.

Answered on 04/10/2012 by ROBERT BROWN

Answer

I do nothing at all and they have never clogged. I've gone months between uses and never had a problem.

Answered on 04/09/2012 by Michael Morton

Answer

I do not clean out the pump between uses, but probably because I use it a lot. Plan A: If you don't plan to use the pumps for a while, (months?) take them out and drain the resin and hardener. There is a lot in the pumps. then start pumping denatured alcohol, or solvent of your choice, through them until they are clean. Harsh solvents might ruin the pump guts, so be careful. Also, as plan B, you could just throw out the used set and buy a new set when ready to pump again. Plan C: Leave them on the cans for a year, like I did, using them only a couple of times a month, and they worked fine.

Answered on 04/10/2012 by DOUG BELL

Answer

No need to do anything. I've never experienced pump clogging in the 15 years I have used them.

Answered on 04/09/2012 by DAVID SEAY

Answer

For me they never get clogged. If I haven't used the pump in a while, I may have to prime it - waste a little - to get it going. They behave very well and I have never, ever had a problem with a clogged pump.

Answered on 04/09/2012 by JAMES PETERS SNYDER
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Question

How do you clean the dispenser pumps?

Asked on 05/26/2012 by Undisclosed

Top Answer

I have left dispencer pumps ( small 205 & 206 resin ) stay in the containers for I don't know ! Got to be at least over a year ; every thing works fine , resin sets up just fine. Been using west system for maybe 40 years and never had a failure ( wood boat repair etc. ) So its up to you, to bad more folks haven't given you a reponse . Try GBI inc they will definitly set you straight.

Answered on 05/21/2019 by jack
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Answer

they do not need to be cleaned the pumps work fine with using them irregularly I keep an extra set on hand , just in case , we move them from can to can as we open a new container

Answered on 05/30/2012 by PAUL FISCHER

Answer

I usually don't clean the pumps because they are in use quite a bit, and there is a lot of material still in the pump body. When I do clean them out, I pump denatured alcohol through the pumps until it runs clear.

Answered on 05/30/2012 by DOUG BELL

Answer

acetone

Answered on 05/30/2012 by WOLFGANG KAINZ

Answer

The dispenser pumps will clog with hard/gelatious epoxy clumps after a few months of inactivity, thereby completely blocking pumping action. So, unscrew the pump but leave it loosely in the epoxy can, and place the can in a pan of boiling water so the water level comes up 2/3 of the way to the estimated level of the epoxy in the can. Boil for 30 minutes or until the hard clumps have liquified and resorbed into the rest of the epoxy. If you're referring to drips/spills of uncatalyzed epoxy on the tip of the dispenser and on the top of the epoxy can, an alcohol swab will dissolve it.

Answered on 05/30/2012 by WILL BOUDREAU

Answer

I never tried to clean the pumps. They work well for a very long time, even with intermittent use. I use a scale to check all my batches, so I don't worry about short shots. When the pumps cease to work, I simply replace them.

Answered on 06/09/2012 by DENNIS DUNN

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You don't. Just leave them in the appropriate can. If anything, cover the can and pumps with some Saran wrap from the kitchen to keep them from picking up shop dust.

Answered on 05/31/2012 by JAMES SCHROEDER

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I don't they stay in can until the next use. Keep them from being contaminated by other pumps so don't harden at times. Give a little squirt to have fresh chemicals on your first measured stroke. Mine have been used this way for a year. Craig

Answered on 05/30/2012 by CRAIG VOGT

Answer

I never have. The epoxy doesn't harden until you mix it together, and I keep the pumps in the cans until I use it's used up. Even in gallon cans. I suppose you could soak it in alcohol, but I've never seen a reason to do that.

Answered on 05/30/2012 by JAMES PETERS SNYDER

Answer

There shouldn't be any need to clean the dispenser.

Answered on 05/30/2012 by DONALD COLLINS
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Question

Will this set fit on the 1 Gal Resin and 1Qt hardener cans?

Asked on 04/08/2013 by Al Kolsch

Top Answer

Yes, I bought this set for that purpose and it worked perfectly.

Answered on 04/12/2013 by ROBERT BROWN
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Answer

Yes, but you should specify or call them. My project was a cedar strip canoe that has been glassed on both sides. I used the 205/207 and I would recommend it. Do not leave the pumps in the cans for extended periods of time as they will clog up as they are hard to get clean. Good quality and a good company. All my dealing with them have been excellent...

Answered on 04/11/2013 by JOSEPH M GLEDHILL

Answer

Yes. Different length straws included for quart/gallon.

Answered on 04/12/2013 by MICHAEL LAUER

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Yes.

Answered on 04/12/2013 by DENNIS DUNN
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Question

I broke one of the heads. Can I purchase just that pump? Thnx, LJ

Asked on 07/12/2014 by LJ Moore

Top Answer

Not that I know of. I had the same problem I just bought the set.

Answered on 07/12/2014 by JAMES INGRAHAM
See More Answers (1)

Answer

I have only seen these pumps sold in sets.

Answered on 07/12/2014 by MICHAEL LAUER
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Question

What is the ratio of these pumps? Why couldn't these be used with Totalboat epoxy?

Asked on 06/05/2020 by Kuzz from IN

Top Answer

The ratio is 5:1. The pumps won't fit on the TotalBoat bottles. It will be difficult to draw fluid evenly.

Answered on 06/23/2020 by Paul
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