327.What can the hand pump be used for ?

334.What happens when the filter of the filling circuit is clogged?

333.What is the main function of the restrictor ?

332.Do the hydraulic reservoirs have to be depressurized to refill with hydraulic fluid ?

331.What is the purpose of the pressure relife valve?

330.What are the manual depressurization valves provided for ?

329.When can the APU pressurize the reservoirs ?

328.During which operation is the leak measurement valve closed automatically ?

327.What can the hand pump be used for ?

326.How can the LH wing be supplied independently during leak measurement test ?

325.When is the Engine Driven Pump in the depressurized mode ?