Electric hydraulic pumps: AUTO and ON

Electric pumps 1 and 2 back up their engine-driven pumps. AUTO runs them under the documented conditions; ON runs them continuously. Pump 3B has separate AUTO logic; pump 3A has no AUTO position. ^[54]

Read the pump indications

Compare the overhead selector with the pump status and pressure on HYDR. If pressure does not respond as expected, note the engine, flap and electrical state. ^[54]