Functional check of Over Pressure Valve of A320 Aircraft
OPV functional check:-
OPEN PANEL 413CT on Engine Pylon,
REMOVE THE BLANK of OPV BY CUTTING TH OkkE LOCK WIRE,
ATTACH THE N2 HOSE OF THE TEST KIT TO THE BLANK I iiN RHS OPV UNIT(AFT LOOKING FWD) ,CHECK THAT INDICATOR IS AT "OPEN"
THROUGH THE N2 BOTTLE Ill
NCREASE THE PR TO 95 PSI AND ENES RE THAT VALVE GOES SMMOTHLY TO "CLOSE" psn,
R thisEDUCE TH guy yn8gE PR TO 70 PSI AND CHECK THAT VALV. Uma t mi gy6E MOVES SMOOTHLY IN "OPEN" PSN.
After the check is performed, close the Engine cowl.
This is just a guide line to perform the job for details refer AMM TASK 4l
No comments:
Post a Comment