Ford 5500 power steering

Hello All,

I want to test the oil pressure on the power steering pump.

Can I hook the gauge directly to the pump outlet and run the pump for a few seconds for a read? Or do I need to tee the gauge into the outlet line, and run the pump, and monitor the gauge as I turn the steering wheel?

I assume I should do the test with hot fluid??

I have intermittent power steering now, that seems to get a tiny bit better when I rev the engine a little.

Are these pumps rebuildable??

THANKS All !!!!!

Ford 5500 power steering