(19) Make sure that fasteners are installed correctly when tightened to the specified value.
(20) Safety the connection with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
Subtask 72-00-00-917-053
C. If necessary, replace the damaged hose as follows: WARNING : DO NOT PERMIT THE FUEL TO TOUCH YOUR SKIN OR CLOTHES. REMOVE
_______ YOUR CLOTHES IF THE FUEL TOUCHES THEM. RINSE YOUR SKIN FULLY WITH WATER WHERE THE FUEL TOUCHED YOU. FUEL CAN BURN YOUR SKIN.
(1) Disassemble the connection. NOTE : Hoses can have oil or fuel in them as they are removed. Drain
____
the fluid into a container.
(2) Install protective closures and protective caps on drilled passages, fuel lines, oil lines, air lines and open engine ports when parts are removed.
(3) Remove and discard O-rings, if necessary.
(4) Remove and do an inspection of the gaskets or seals, if necessary (Ref. TASK 70-21-00-918-002).
(5) Do an inspection of the mating and threaded surfaces for cleanliness, contamination, scratches, dents or other surface defects.
(6) Do an inspection of the hose for satisfactory general condition and make sure that no damage has occurred.
(7) Remove the protective closures and caps immediately before installation.
R (8) Lubricate new O-rings with vaseline (Material No. CP5070).
(9) Apply a thin layer of engine oil (Material No. CP2442) to the gaskets and seals.
(10) Install new O-rings, or serviceable gaskets, or seals, as necessary.
(11) Do not bend or try to make the preformed hoses straight.
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(12) Tightening method:
CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS.
_______ ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
(a) Tighten all the end fittings and clamps with your hand. After a system is installed, torque the clamps first, then torque the end fittings.
(13) Do not chafe hoses when you install the clamps. Attach the tube loosely with a clamp and position the hose to get the best clearance, then tighten the clamps.
(14) Use the correct size clamps for the hose you install. A clamp that is too large will cause chafing. A clamp that is too small will cause a restriction.
(15) Make sure there is clearance between the hose and each adjacent part.
(16) Coupling nuts must turn freely by hand.
(17) The mating surfaces of the flanges of the hose must be installed at 90 degrees to each other.
(18) Make sure that fasteners are installed correctly when tightened to the specified value.
(19) Safety the connection with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
Subtask 72-00-00-710-051
D. If fuel or oil lines were disconnected, do a minimum idle leak check and check for leaks (Ref. TASK 71-00-00-710-006).
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Air Flow Check of the Forward Sump Oil Supply Circuit
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container of 0.5 USgal (2 l.) No specific test rig No specific warning notice No specific Torque Wrench : range 96.00 to 900.00 lbf.in
(1.00 to 10.00 m.daN) 856A3267 1 ADAPTER, TEST RIG - AIR FLOW CHECK
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP8001 * lockwire 0.032 in. (0.8 mm) dia (Ref. 70-30-00) Material No. CP8002 * lockwire 0.032 in. (0.8 mm) dia (Ref. 70-30-00)
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C. Referenced Information
------------------------------------------------------------------------------- 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM ENGINE 發動機 1(20)
