Question about Blackburn Mountain Air Mountain Bike Pump 4 Bicycle
Hi, when I am inflating a tyre with the pump, what position should the "thumb guard (is that what it is?) be in? Should it be in the stowed position or the extended position to lock onto the valve stem?
Thanks in anticipation.
Dear Doug, to lock a hand pump onto the valve stem: 1.depending on valve type-loosen the valve lock for presta, twist off valve cap for schrader. 2.unlock the pumping handle from the pump so that you can actually "pump" the pump... 3. put the pump head on the valve of the tire, then pull up on the thumb tightening lever. This should squeeze toghether the internal rubber gasket of the pump, and lock on to your valve. 4. Begin pumping. 5. when desired pressure has been reached, push down on the thumb lever to unlock the pump. Remove it. Good Luck Fellow bicyclist!
Posted on Jun 11, 2009
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Posted on Jan 02, 2017
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