-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-30-00-710-040 Thrust Reverser Hydraulic System Bleed Procedure 78-32-41-080-001 Removal of the Safety Sleeve from Blocker Door
Actuator 78-32-41-480-001 Installation of the Safety Sleeve on Blocker Door
Actuator
78-32-41-860-001 Manual Deployment of the Blocker Door
78-32-41-860-002 Manual Stowing of the Blocker Door
78-31-19-991-301 Fig. 401
78-31-19-991-302 Fig. 402
78-31-19-991-303 Fig. 403
78-31-19-991-305 Fig. 404
3. Job Set-up
__________
Subtask 78-31-19-860-054
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position on the right side of engine.
(4) Make sure that the blocker door are deployed (Ref. TASK 78-32-41-860-001).
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Subtask 78-31-19-010-057
B. Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
Subtask 78-31-19-040-053
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 78-31-19-480-056
D. Make sure that the SAFETY SLEEVE - PIVOTING DOOR ACTUATOR (HIX3005) is on the blocker door actuator (Ref. TASK 78-32-41-480-001).
4. Procedure
_________
(Ref. Fig. 401/TASK 78-31-19-991-301, 402/TASK 78-31-19-991-302, 403/TASK 78-31-19-991-303)
WARNING : WEAR A FACE SHIELD WHICH IS RESISTANT TO HIGH PRESSURE JETS WHEN
_______
YOU WORK ON PRESSURIZED SYSTEMS.
WARNING : IF YOU GET THE FLUID ON YOUR SKIN OR IN YOUR EYES:
_______
- FLUSH IT AWAY WITH CLEAN WATER
- GET MEDICAL AID.
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.
Subtask 78-31-19-420-050
R A. Installation of the Blocker Door Latches
R CAUTION : DO NOT PUSH ON THE STOW SWITCH LEVER WHEN BLOCKER DOOR IS
_______ R OPENED OR DAMAGE COULD OCCUR.
R NOTE : You should apply a witness line of finish paint EA4 blue 5991
____ R (Material No. CP2245) on all nuts and connections when you have R checked their torques.
R (1) Remove the protective covers from the hydraulic tubes and the R blanking plugs from the holes in the blocker door latch (15).
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(2) Lubricate the packings and install them on the unions (20). CAUTION : MAKE SURE THERE IS NO UNWANTED MATERIAL IN THE PORTS AND
_______
ORIFICES OR DAMAGE CAN OCCUR.
CAUTION : YOU MUST LUBRICATE UNIONS AND HYDRAULIC TUBES WITH
_______ HYDRAULIC FLUID BEFORE INSTALLATION.
R (a) Lubricate the Preformed packings (10) with hydraulic fluid and install them on the unions (20).
(b) Install the unions (20) on the blocker door latch (15).
(c) TORQUE the unions to between 260 and 300 lbf.in (2.93 and 3.39 m.daN).
(3) Apply a layer of blindexite RT 342/2 (Material No. CP2318) on the door latch surface in contact with the forward frame.
(4) Install the nearest bolt from the V-head ring segment in the pivoting door latch.
(5) Engage the blocker door latch in the forward frame.
(6) Install the bolts (25) and the nuts (5).
(7) TORQUE the nuts (5) to between 61 and 70 lbf.in (0.68 and 0.79 m.daN).
(8) Connect the supply and return tubes to the blocker door latch (15).
(a) TORQUE the coupling nuts of the supply and return tubes to between 130 and 150 lbf.in (1.46 and 1.69 m.daN). 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM EXHAUST 1(61)
