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SILCA pista pump quick question

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SILCA pista pump quick question

Old 03-27-07, 07:24 PM
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mx_599
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SILCA pista pump quick question

dumb question, i just got one of these pumps and i am not familiar with the presta "chuck". i know it's not rocket science.

do you just push it on far enough to pump air in and then pull it off? are you supposed to twist the brass part or anything after it's on?

i just tried it quick and it seemed rather hard to pull off...but if that is how it is supposed to be, than i'll just keep lifting weights until it becomes easier.

thanks!
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Old 03-27-07, 07:29 PM
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Simply push in and start pumping.
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Old 03-27-07, 07:30 PM
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Originally Posted by The Fixer
Simply push in and start pumping.

An answer with multiple applications
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Old 03-27-07, 07:32 PM
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There are 2 sets of threads on the presta valve. Only put the pump head over the first set of threads. I tried to jam it all the way on there at first, that was not fun.
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Old 03-27-07, 07:43 PM
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Originally Posted by nobrainer440
There are 2 sets of threads on the presta valve. Only put the pump head over the first set of threads. I tried to jam it all the way on there at first, that was not fun.

Depends on how long the stem is.
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Old 03-27-07, 08:06 PM
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Originally Posted by nobrainer440
There are 2 sets of threads on the presta valve. Only put the pump head over the first set of threads. I tried to jam it all the way on there at first, that was not fun.
well that is what i was wondering. when i put it over the first set i got a lot of leakage. then when i pushed it in more it just seemed really tight

but if tight is okay...

i have a short valve stem...
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Old 03-28-07, 09:54 PM
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Originally Posted by mx_599
but if tight is okay...
i have a short valve stem...
tight is good

keep pushing til no leakage

then start pumpin

damm tool will last forever
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Old 03-28-07, 10:14 PM
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ha! When I first got mine I also thought I was supposed to undo it, slide it on, tighten it, pump it up, then loosen it to get it off, but no, it's just supposed to be shoved on and off.

When the rumber is new, the screw-down cap doesnn't have to be tight all to get a good seal. As the rubber gradually wears, you tighten top of the nozzle to tighten the seal. I usually use 2 pairs of pliers, but I'm careful not to wreck the outside.

Some guys spit on the rubber before slipping it on
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