Turn off the air

Hint 1 of 6:

Test the pump.  Is there air escaping?

Hint 2 of 6:

Is the air valve closed?

Hint 3 of 6:

You need to get a handle on this problem.

Hint 4 of 6:

Put the faucet handle on the air valve.

Hint 5 of 6:

Then use the handle to close valve.

Hint 6 of 6:

You must close ALL the leaks in the system.