Normal Hydraulic System Pressure
3000PSI
At what pressure does RAT pressurize the Blue Hydraulic System?
2500PSI
PTU operates automatically when a pressure drop is sensed between the yellow and the green, greater than
500PSI
How many pumps do we have in the 3 hydraulics systems?
• Green Hydraulic: Engine driven pump
• Blue Hydraulic: RAT + Electric pump
• Yellow Hydraulic: Engine driven pump + Electric pump + Manual hand pump