Originally Posted by
urbanknight
Regarding the risk of snapping the stem off, I was taught to hold the wheel AND pump head while pumping. Once I learned that, I stopped shearing off stems. Is there more to it that I don't know about?
If the connection to the valve is rigidly mounted to the pump, then yes, I would try to hold things so as to avoid trauma to the valve stem. Been there, done that - but my current pump has a flexible hose leading to that connection.