A320飞机维护手册 AMM ENGINE 发动机 1(29)

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_______ (IFSD), ENGINE MUST BE "DRIED OUT" AND RELUBRICATED WITHIN 24 HOURS PER DRY OUT PROCEDURE OF THIS SECTION.
 CAUTION : UNDER NO CIRCUMSTANCES SHALL PRESERVATIVE OIL OR EQUIVALENT BE
_______ SPRAYED INTO THE ENGINE INLET, CORE COMPRESSOR OR TURBINE, OR ENGINE EXHAUST. DIRT PARTICLES DEPOSITED ON THE WETTED BLADES AND VANES MAY ADVERSELY AFFECT ENGINE PERFORMANCE DURING SUBSEQUENT OPERATION.
 (1) Operable Engine Preservation. CAUTION : DO NOT USE SILICONE BASE OILS IN THE FUEL SYSTEM. DAMAGE TO
_______
 THE ENGINE CAN BE CAUSED.

 (a) Drain the oil tank (Ref. TASK 12-13-79-610-003)

 (b) Service the oil tank with a mixture of approved engine oil (Material No. CP2442) and 7 percent (by volume) corrosion preventive additive (Material No. CP5075) or with a mixture of approved engine oil (Material No. CP2442) and 5 percent (by volume) lube system corrosion preventive oil (Material No. CP5067) . A minimum of 19 l (5 USgal) of oil is necessary to motor the engine during preservation.

 (c) When the engine is motored without the accessories installed, make sure that the items that follow are installed.

 1 Pad covers and gaskets on pads where accessories are normally
_
 installed.

 2 Caps on the pad cavity drains to prevent the loss of engine
_
 oil.

 (d) Disconnect the fuel pump inlet tube. 1 Put a container 4 US gal (16 l) under the fuel pump inlet
_
 tube.

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 Fuel Pump Inlet, PCR Port and LPTCC Fuel Supply Hose Location
 Figure 301/TASK 72-00-00-991-310

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 Fuel Draining
 Figure 302/TASK 72-00-00-991-311

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 INTENTIONALLY BLANK

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R Location of Fuel Pump Discharge Pressure Ports and Lubrication Unit Filters

R  Drain 
R  Figure 303/TASK 72-00-00-991-312- 12 (SHEET 1)
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R Location of Fuel Pump Discharge Pressure Ports and Lubrication Unit Filters

R  Drain 
R  Figure 303/TASK 72-00-00-991-312- 22 (SHEET 2)
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 2 Remove the 4 bolts, and the 4 washers which attach the fuel

_ inlet tube to the fuel manifold duct. Let the fuel drain into the container.
 3 Keep the gasket.
_
 (e) Install a temporary line to the fuel pump inlet tube. The line will supply oil fuel system corrosion preventive oil (Material No. CP5066) at 50 psi (3.5 bar) maximum pressure.
R - The line is to be locally manufactured.
R For details:
R (Ref. Fig. 303/TASK 72-00-00-991-312)

 (f) Disconnect:
 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.
 1 Disconnect the line from the PCR port on the HMU.
_
 (g) Install a temporary hose drain line 118 in. (3 m) long from the HMU PCR port and put the hose to drain in a container 26.5 USgal (100 l) capacity. Attach the hose to prevent spillage.
R - The drain line is to be locally manufactured using a coupling R tube welding P/N J382P06 (0.5625-18 diameter UNJF-3A R Threads/material AMS 5645).
 (h) Do a dry motoring check for 30 seconds (Ref. TASK 71-00-00-710-001).
 NOTE : Engine can be motored on stand by connecting a start cart
____ hose to the starter shut off valve, with a locally manufactured adapter.
 1 Stop the engine motoring. Let the engine coast down.
_
 (i) Remove the temporary drain line from the PCR port on the HMU.
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 E E Feb 01/00 E E ECES E E 56-5B E E E (j) Tighten coupling nut:

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