Mark Byrne - Experimental Aircraft Builder's Log

DAVID'S WEB SITE


Date: 2-22-2016
Number of Hours: 12.00
Manual Reference: 11.2.P
Brief Description: FLUSHING THE HYD SYSTEM

THIS OPERATION IS REQUIRED AFTER INITIAL SYSTEM STARTUP AND EVERY ANNUAL INSPECTION. 1 RAISED THE AIRCRAFT ON JACKS. 2 SHUT OFF POWER SUPPY. 3 PULL THE HYDRULIC CB. 4 DUMP THE SYSTEM PRESSURE BY OPENING THE ENMERGENCY YPASS VALVE. 5 RELEASE ALL PRESSURE FORM THE ACCUMULATOR BY USING THE SHREADER VALVE. 6 REMOVE THE ACCUMULATOR 7 DISASSEMBLE AND CLEAN THE ACCUMULATOR USING ACETONE. THIS SET IS NOT REQUIRED ON INITIAL STARTUP. 8 REMOVE THE FILTER FROM THE HOUSING. 9 REMOVE THE CHECKV AND ATTACHED TUBING THAT ACTS AS A BYPASS FOR THE HYD FILTER. 10 CHECK AND CLEAN THE FILTER 11 REINSTALL TE FILTER INTO THE HOUSING. 12 REINSTALL THE CHECK VALVE 13 REMOVE THE AFT MANIFOLD, CAPPING AND OPEN LINES. 14 REMOVE ALL COMPONENTS FRON THE AFT MANIFOLD AND CLEAN USING ACETONE, A NYLON BRUSH. 15 REINSTALL THE COMPONENTS ONTO THE AFT MANIFOLD. 16 REMOVE THE HYD PUMP AND DRAIN THE RESERVIOR AND CHECK THE RESERVOIR FOR SEDIMENT OR CONTAMINANTS, REMOVE AS REQUIRED. AND CLEAN THE RSERVIOR. 17 DISCONNECT THE MAIN AND NOSE GEAR LINES AT THE GEAR. REINSTALL THE HYD PUMP AND FILL THE RESERVIOR, 18 RESET THE HYD CB AND RUN THE PUMP FLUSHING THE LINES, ENSUREING THE PUMP RESERVIOR DOES NOT RUN DRY. 19 CONTINUE ITEM 18 UNTIL ALL AIR HAS BEEN PURGED FROM THE LINES.

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