Gear pump 1 draws in fluid from tank 2 and delivers it to power cylinders 3 and 4 of the landing gear and skid or to power cylinders 5 of the landing flaps. Hand pump 6 is used in emergencies if the mechanical pump gets out of order. Valves 7 are check valves and valves 8 are relief valves.
$3967$LHP,Co$