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Step 2Find the air intake
Once the case is open, you can flip the motor/pump assembly up and inspect the cylinder to find the air intake---that is, the holes where the air comes into the cylinder before it's squirted out the compressed air hose.
Some pumps have a hose barb or other fitting connecting to a muffler. If yours does, that's great---you can just use the hose barb that's already there.
This pump just has four little holes in the top of the cylinder. (Actually, there's a little filter under the holes, but we can ignore that.)
Unfortunately, the holes are down in a funny-shaped recess, so we can't just glue a hose barb directly over them. We also want to make sure that the glue doesn't slop into the holes, so we need a couple more steps to make things fit.
Some pumps have a hose barb or other fitting connecting to a muffler. If yours does, that's great---you can just use the hose barb that's already there.
This pump just has four little holes in the top of the cylinder. (Actually, there's a little filter under the holes, but we can ignore that.)
Unfortunately, the holes are down in a funny-shaped recess, so we can't just glue a hose barb directly over them. We also want to make sure that the glue doesn't slop into the holes, so we need a couple more steps to make things fit.
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Aug 27, 2010. 5:14 AMbomihdar
says:
thank you
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Apr 6, 2008. 4:34 PMdrhoff
says:
First, I'd like to say great job on this and your other instructables. They are very nicely done. Second, I would like to add a comment about this project. Some models of little inflators like this one, will not work for this method. The Tool Shop version I bought has a different air intake setup. The intake is built into the piston of the pump, much like a bike pump would be constructed. But the way it is built, you can't flip it around to make it suck air in.
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