Third PW4000

(ATA 29) Access to the EDP is through which cowling? pagina 22. left thrust reverser halft. Left fan cowling. Right thrust reverser halft.

(ATA 72) During borescope, how may the HP compressor be turned? Pagina 14. Using the IP system engine turning tool. Through the step a side gearbox. At the N2 crank pad on the main gearbox.

(ATA 30) Where is EAI valve controller on the PW 4000 ENGINE? Pagina 50. On the right engine fan case at 3:30 PRSOV and HPFAC position. On the left side of the fan case at the 7:00 position. On right side of the fan hub at the 1:30 position inside the fan hub above the engine Core.

(ATA 30) PW 4000. What stage of air is used for engine cowl anti ice? Pagina 40. HP15. HP3. HP6.

(ATA 77) Which two parameters are used by the EEC in calculating EPR?Pagina 6. P3 and P4.95. P2 and P2.5. P4.95 and P2.

(ATA 73) What is purpose of the FMU pressure regulating valve? Pagina 56. Keep a constant differential fuel pressure across metering valve. Ensure there is always fuel in the HMU keeping the HMU primed with fuel. Starts and stops pressure regulating fuel Flow to the combustor.

(ATA 73) What type of fuel is sent to the servo fuel heater? Pagina 60. Low pressure fuel from centrifugal pump. High pressure fuel from the main stage pump. Bypassed fuel from the coolers.

(ATA 78) Which of the following actuators are locking actuators? Pagina 62. Upper and central actuators. Center and lower actuator. Lower actuator only.

(ATA 78) The EEC monitors the reverser position by using which of the following? Pagina 84. Position switches. RVDT signals. Proximity sensors.

(ATA78) Where can the reverser sleeve position be observed? Pagina 86. the EPCS maintenances page 1. The EPCS maintenances page 2. EICAS reverser synopyic pages.

(ATA 80) During starter re-engagements. HOW does the EEC match the speed of the starter to prevent crash re- engagement? Pagina 16. Magnetically tocks open the SAV solenoid. Energises and De-energises SAV solenoid. Signals the APUC to reduce it air Flow for speed match.

(ATA 76) Where do the thrust commands to the EEC comes from? Pagina 6. The thrust lever angle resolver only when the auto throttle is not engaged. Directly from AIMS though the engine data interface unit. The thrust lever angle resolver in all operating mode.

(ATA 76) How does the autothrottle servo motor (ASM) backdrive the resolver? Pagina 16. with a sprag clutch. With a drive pin. With a spline.

(ATA 36) Where is the intermediate pressure sensor on the PW 4000 ENG? Pagina 142. Fan case at the 3:00. Fan hub at the 9:30. In the wing leading Edge.

(ATA 36) What information does the EEC provide to the ASCPC for its control? Pagina 73. PS3(10th stg) N2 and P4. PS30 (6th stg) N3 and P0. PS3 (15th stg) N1 and P0.

(ATA 36) Where and how many IP check valve(s) is (are) found on each PW4000 ENGINE of the B777 pneumatic system? Pagina 30. 1 IPCV next to the eight stage intermediate pressure bleed. 2 IPCVS next to an eight stage bleed airports in the engine ducting. 1 IPCV next to the fourth stage bleed air source an the 3:00 pisition in eng ducting.

(ATA 24) How is the backup generator oil cooled? Pagina 82. LP fuel and fan air. Fan air or 2.5 bleed air. Fan air only.

(ATA 74) How is ignition system hardware cooled by? Pagina 16. 12th stage air. LPC discharge air. The fan air.

(ATA 26) What is access to the strut overheat detectors? Pagina 192. Through the pressure relief door in the right side strut. Through the pressure relief foor in the fwd strut fairing. Through two panels on the bottom of the fixed leading Edge.

(ATA 71) When opening the fan cowl, the collars of the hold – open rods not locked when? Pagina 55. The red stripe at the lock collar is visible. The yellow stripe at the lock collar is visible. The green stripe at the lock collar is visible.

(ATA 71) What does the Power Door Opening System use to close the cowlings? Pagina 43. Gravity. Electric motor. Engine oil.

(ATA 72) How many turbine stages drive the high pressure compressor? Pagina 10. 7. 1. 2.

(ATA 72) What kind of bearings is fitted to the number 4 bearing position?Pagina 12. Ball bearing. Ceramic air bearing. Roller bearing.

(ATA 72 TCDS) Where can you find the data plate with information on the EEC programing plug data? Pagina 4. Left side of the main gearbox. Right side of the fan eng. Case. Above the eng. Oil tank cap.

(ATA 70) How many times can a key washer be used? Pagina 17. It can be used indefinitely. As long as the tab is present. It can only be used one time.

(ATA 75) What stage air does TVBC (TURBINE VANE and BLADE COOLING) use? Pagina 29. 8th and 12th. 12th only. 4th only.

(ATA 75) What is the muscle power for the TCC actuator operation? Pagina 23. PS3 air pressure. Electrical signals from EEC. Servo fuel pressure.

(ATA 79) What is the max time allowed for the engine oil levels be checked , to prevent the need for a dry motoring? Pagina 10. 30 min. 2h. 4h.