Getting the needle inflator to work

[Asimov4]

I tried inflating a basketball using the R1S compressor but was not able to. I screwed the needle inflator into the silver adapter but it was not airtight. Is the adapter defective or am I doing it wrong?

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[thrill]

A little spit will make it seal better - and it's visible if it's leaking. Mineral oil is also good, or glycerin. There's probably just dust on it or the hose end.

 

[W1SE]

It doesn’t fit well. I found it works best to push the silver adapter into the ball (with the needle in the middle pushing into the ball) with good force to create a good seal that way. When you first start it’s almost like you are making the ball flat because you are pushing so hard.

hopefully I explained it well.

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