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SR Jun 25, Your comment was the most useful of all of them. Valve on a bike tire Image: The internal switch changing the air from flowing to the hole for bike tires to the needle for sport balls senses back pressure from the object you are trying to inflate. Next I unscrewed the valve cover and then unscrewed the tire valve itself.

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Adapt the pump for Presta valves by inserting the cylindrical end of the rubberized fitting into the larger side of the hard ring.

I give a thumbs up to txgardener for the correct answer with technical details. Remove both internal fittings and set the rubberized section aside. Posted by pbumgardner on Apr 09, I just distilled it down a bit.

The Schwinn Air Driver 4-in-1 bicycle pump uses an internal switch valve to automatically shift between needle-valve and bike-valve modes.

Jul 07, Cycling. The internal switch changing the air from flowing to the hole for bike tires to the needle for sport balls airdrivet back pressure from the object you are trying to inflate.

The small diameter and short stroke of this pump makes inflating a large item like a car tire time-consuming and difficult. While still pushing firmly, flip the pump hlw lever up to lock the pump head onto the tire valve. Air is escaping through the wrong outlet NOTE: Turn the center portion of the pump nozzle to swing the inflation needle out of yse socket in the pump body.


Login to post Please use English characters only. Remove the pump needle from the valve and rotate the needle back into the pump handle’s slot.

SOLVED: Instructions for a Schwinn Airdriver pump. – Fixya

I think they are of low quality based on the few I have seen. Blow HARD through the side you wish to function correctly to move the crappy valve to the right position. aidriver

Pull the pump handle out and pump the item up to pressure. Thanks for the suggestions. Depress the pump handle rapidly three times to properly seat the pump’s internal valve.

Disconnect the hose on the Schwinn pump. When Schwinn 4-in-1 pumps malfunction, air escapes when connected to tires or pumps out through the wrong nozzle. It’s the opposite of most other bike pumps. In these cases do the following: Push the air filler hole over the schrader valve really hard and make sure it is seated all the way down.


Jam the stem in the hole, crank the lever back to lock it in and pump away.

Schwinn 4-in-1 Bicycle Pump Instructions

Grasp the pump handle at the bottom of airdrievr pump body and pull the handle all the way out. With the metal lever up or down?

I had the same problem until I found this airvriver. The squishy rubber tip up front should push the internal valve to the rear and the needle hole lines up. Make sure the pump is in “Ball mode” by again blowing into the filler.

Tell us some more! Posted on Sep 12, Dec 20, Sigma Cycling. Livestrong Sports and Fitness Sports Cycling. Common sense tells you to do this, but in fact it will only create back pressure in the channel you do not want to use and actually further block air from being directed to the correct outlet.

Give the ball a hard squeeze this will force air up the needle and trigger the internal switch.

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