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WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE KEY IS REMOVED FROM MAGNETO SELECTOR AND THAT "MAIN SWITCH" IS OFF. IF AIRCRAFT IS EQUIPPED WITH DISCONNECT PLUG ON FIREWALL, DISCONNECT "MAGNETO DISCONNECT" PLUG AND CONNECT IT TO "GROUND MAGNETO FOR SERVICING" PLUG. B. Safety precautions to be taken before a maintenance procedure on fuel tanks WARNING : COMPLY WITH ALL LOCAL AND FACILITY SAFETY REGULATIONS WHEN PERFORMING FUEL SYSTEM MAINTENANCE. WARNING : ONLY PERFORM FUEL SYSTEM MAINTENANCE IN AREAS ALLOWING FIRE-FIGHTING AND OTHER EMERGENCY EQUIPMENT FREE MOVEMENT. WARNING : REMOVE ALL SPARK-PRODUCING ITEMS SUCH AS ELECTRICALLY-POWERED TOOLS AND ELECTRONIC TEST EQUIPMENT FROM THE AIRCRAFT AND FUMES HAZARD AREA. WARNING : WHEN PERFORMING FUEL SYSTEM MAINTENANCE, MAKE SURE H.F. RADIO TRANSMITTER OR RADAR ARE NOT OPERATING CLOSE TO THE AIRCRAFT. WARNING : DO NOT WEAR NYLON OR OTHER SYNTHETIC CLOTHES ; THEY GENERATE STATIC ELECTRICITY. WARNING : DO NOT CONNECT THE ELECTRIC CIRCUIT WHEN THE FUEL TANKS ARE OPEN. WARNING : IN FUEL TANKS, USE EXPLOSION-PROOF LAMPS AND PNEUMATIC TOOLS. WARNING : WHEN WORKING IN FUEL TANKS, USE CLEAN LINT-FREE COTTON CLOTHING WITH NON-SPARK PRODUCING ZIPPERS OR BUTTONS. WARNING : ALL EQUIPMENT BROUGHT INTO FUEL TANKS SHALL BE FREE FROM DIRT AND DUST. AAAA Validity : S / N 1 - 9999 28 00-00Page 301 (BA) SEP 02 WARNING : WHEN WORK IS NOT IN PROGRESS, CLOSE TANKS IN ORDER TO PREVENT THE ENTRY OF DIRT, DUST OR ANY OTHER FOREIGN MATERIALS. WARNING : VACUUM CLEAN ANY FUEL TANK IN WHICH WORK HAS BEEN PERFORMED. 2. MAINTENANCE PROCEDURE ON FUEL SYSTEM Apply the safety precautions - refer to Paragraph 1.A. A. Tools and consumable materials - Explosion-proof lamps - Drain pan - Blanking caps and plugs B. Procedure 1) Connect a grounding cable to the aircraft, then to an approved ground rod. 2) Disconnect the battery and install the following warning sign : WARNING DO NOT CONNECT MAINTENANCE WORK IN PROGRESS ON FUEL SYSTEM 3) Remove the powerplant cowlings and all the access doors to the unions to be checked. 4) Put the drain pan beneath the tank. 5) Bleed the fuel system and tanks - refer to 12-11-02. 6) Perform the maintenance operation. NOTE : Install blanking caps and plugs on the mechanical and electrical interfaces of disconnected and / or removed components. 7) Make sure all the tools and materials are removed and the work area is clean and free from debris. 8) Install the powerplant cowlings and all the access doors that have been removed. 9) Disconnect the grounding cable. 10) Remove the drain pan and tools from the work area. 11) Connect the battery. 12) Remove the warning sign prohibiting main switch-breaker operation. 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 28 FUEL TB20飞机维护手册 燃油(10) |
