W DOC AIRBUS | AMM A320F

Installation of the Left C-Duct Flexible Synchronous Cables and Tubes [IAE]

TASK 78-32-44-400-010-A
Installation of the Left C-Duct Flexible Synchronous Cables and Tubes

WARNING: DO NOT GET HYDRAULIC FLUID ON YOUR SKIN, IN YOUR EYES OR IN YOUR MOUTH. HYDRAULIC FLUID IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY. FLUSH HYDRAULIC FLUID FROM YOUR EYES, MOUTH OR SKIN WITH WATER. GET MEDICAL AID IF YOU GET HYDRAULIC FLUID IN YOUR EYES OR MOUTH.
CAUTION: DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. ANY UNWANTED HYDRAULIC FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND SOME PARTS.
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 240 and 210 lbf.in (2.71 and 2.37 m.daN ) T
No specific
Torque wrench: range to between 265 and 220 lbf.in (2.99 and 2.49 m.daN ) T
No specific
Torque wrench: range to between 300 and 270 lbf.in (3.39 and 3.05 m.daN ) T
No specific
Torque wrench: range to between 679 and 619 lbf.in (7.67 and 6.99 m.daN ) T
No specific
Torque wrench: range to between 936 and 852 lbf.in (10.58 and 9.63 m.daN ) T
IAE1N20049
2
PIN - LOCKOUT ACTUATOR
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 12-12-29-611-001-A
Fill the Hydraulic Fluid Reservoir with a Hand Pump
TASK 12-12-29-611-002-A
Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart
TASK 70-23-11-911-013-A
General Torque Tightening Techniques
TASK 71-13-00-010-010-A
Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A
Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 78-30-00-040-012-A
Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A
Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-30-00-820-010-A
Rigging of the Thrust Reverser System
TASK 78-31-00-710-041-A
Operational Test of the Thrust Reverser System with the CFDS
TASK 78-31-00-710-041-A-02
Operational test of the Thrust Reverser without the CFDS and Engine Running
TASK 78-31-00-710-041-A
Operational Test of the Thrust Reverser System with the CFDS
TASK 78-31-00-710-041-A-02
Operational test of the Thrust Reverser without the CFDS and Engine Running
TASK 78-32-00-860-011-A
Manual Retraction of the Thrust Reverser Translating Sleeves
F Left Hydraulic Cross-Over Hoses
F Flexshaft Tubes and Hoses
F Left Hydraulic Tubes
F Locking Actuator
3. Job Set-up
Subtask 78-32-44-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) 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(S) is in position to tell persons not to energize the FADEC 1(2).
   (3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
Subtask 78-32-44-010-052-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-010)
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 78-32-44-040-051-A ** ON A/C NOT FOR ALL
C. Make sure that the thrust reverser Hydraulic Control Unit (HCU) is deactivated: (Ref. AMM TASK 78-30-00-040-012)
4. Procedure
Subtask 78-32-44-420-050-A ** ON A/C NOT FOR ALL
A. Install the crossover hydraulic hose (33)
F Left Hydraulic Cross-Over Hoses ** ON A/C NOT FOR ALL
   (1) Remove the caps from the ends of the crossover hydraulic hose (33), from the upper hydraulic port on the non-locking actuator (3) and from the tee fitting (31).
   (2) Install the union (34) in the tee fitting (31).
   (3) TORQUE the union (34) to between 300 and 270 lbf.in (3.39 and 3.05 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (4) Connect the hose nuts (32) to the non-locking actuator (3) and the union (34).
   (5) Put the clamp assembly (40) in position over the crossover hydraulic hose (33) and Install the two screws (41).
   (6) TORQUE the hose nuts (32) to between 240 and 210 lbf.in (2.71 and 2.37 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 78-32-44-420-051-A ** ON A/C NOT FOR ALL
B. Install the crossover flexshaft and the crossover flexshaft/hose
F Flexshaft Tubes and Hoses ** ON A/C NOT FOR ALL
F Left Hydraulic Cross-Over Hoses ** ON A/C NOT FOR ALL
   (1) Remove the caps from both ends of the crossover flexshaft/hose (18) and the openings on the non-locking actuator (3) and the tee fitting (31).
   (2) Put one end of the crossover flexshaft (42) through the belt clamp (35) and in to the tee fitting (31).
   (3) Push the crossover flexshaft (42) through the right crossover flexshaft/hose and into the socket in the right non-locking actuator.
   (4) Put the crossover flexshaft/hose (18) on to the crossover flexshaft (42).
   (5) Make sure that both the left and the right non-locking actuators are in the fully stowed position (Ref. AMM TASK 78-32-00-860-011).
   (6) Put the crossover flexshaft
CAUTION: DO NOT TURN THE FLEXSHAFT MORE THAN ONE-EIGHTH TURN WHILE ONE END IS ENGAGED.
     (a) Put the crossover flexshaft (42) in to the socket of the left non-locking actuator (3).
   (7) Connect the two hose nuts (32) to the tee fitting (31) and the non-locking actuator (3).
   (8) TORQUE the hose nut (32) to between 936 and 852 lbf.in (10.58 and 9.63 m.daN ) T at the non-locking actuator (3) (Ref. AMM TASK 70-23-11-911-013).
   (9) TORQUE the hose nut (32) to between 679 and 619 lbf.in (7.67 and 6.99 m.daN ) T at the tee fitting (31) (Ref. AMM TASK 70-23-11-911-013).
   (10) Install the bracket.
CAUTION: IF THE CLAMP IS NOT ATTACHED CORRECTLY, IT CAN CAUSE DAMAGE TO THE CROSSOVER FLEXSHAFT HOSE.
     (a) Install the bracket (43), two clamps (36), the screw (39), the washer (37) and the nut (38).
NOTE: Make sure that the clamp is attached the same position and angle as it was first installed.
Subtask 78-32-44-420-052-A ** ON A/C NOT FOR ALL
C. Install the lower flexshaft/tube
F Flexshaft Tubes and Hoses ** ON A/C NOT FOR ALL
   (1) Remove the caps from both ends of the lower flexshaft/tube (5), the lower flexshaft/tube port of the non-locking actuator (3) and the lower flexshaft/tube port of the locking actuator (6).
   (2) Install the lower flexshaft/tube with the telescoping end fitting at the bottom.
   (3) Connect the tube nut (20) to the non-locking actuator (3). Do not tighten the tube nut (20) at this step.
   (4) Put the flexshaft (19) in to the bottom of the lower flexshaft/tube (5) and push it in to the socket of the non-locking actuator (3).
   (5) Make sure that the locking and the non-locking actuators are in the fully stowed position.
   (6) Pull tube nut.
CAUTION: DO NOT TURN THE FLEXSHAFT MORE THAN ONE-EIGHTH TURN WHILE ONE END IS ENGAGED.
     (a) Pull the telescoping end fitting tube nut (20) up and insert the flexshaft (19) in to the socket of the locking actuator (6).
   (7) Pull the telescoping end fitting tube nut down and engage the locknut (21).
   (8) TORQUE the locknut (21) to between 265 and 220 lbf.in (2.99 and 2.49 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (9) Connect the tube nut (20) to the locking actuator (6).
   (10) TORQUE the tube nuts (20) at both ends of the lower flexshaft/tube (5) to between 936 and 852 lbf.in (10.58 and 9.63 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 78-32-44-420-053-A ** ON A/C NOT FOR ALL
D. Install the lower hydraulic tube
F Left Hydraulic Tubes ** ON A/C NOT FOR ALL
   (1) Remove the caps from both ends of the lower hydraulic tube (4), the lower hydraulic tube port of the non-locking actuator (3) and the lower hydraulic tube port of the locking actuator (6).
   (2) Connect the upper tube nut of the lower hydraulic tube (4) to the non-locking actuator (3).
   (3) Connect the lower tube nut of the lower hydraulic tube (4) to the locking actuator (6).
   (4) TORQUE both tube nuts of the lower hydraulic (4) to between 240 and 210 lbf.in (2.71 and 2.37 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) In three places between the locking and non-locking actuators, install the screws (8), the washers (2) and the clamps (7) which attach the lower flexshaft/tube (5) and the lower hydraulic tube (4) to the brackets.
Subtask 78-32-44-820-050-A ** ON A/C NOT FOR ALL
E. Rig the thrust reverser, translating sleeves and actuators (Ref. AMM TASK 78-30-00-820-010).
Subtask 78-32-44-440-050-A ** ON A/C NOT FOR ALL
F. Activate the HCU (Ref. AMM TASK 78-30-00-440-012)
Subtask 78-32-44-870-050-A ** ON A/C NOT FOR ALL
G. Bleed the air from the thrust reverser hydraulic actuation system
F Locking Actuator ** ON A/C NOT FOR ALL
CAUTION: MAKE SURE THAT ALL CAUGHT AIR IS BLED FROM THE SYSTEM. IF YOU DO NOT DO THIS, CAUGHT AIR CAN CAUSE UNSATISFACTORY OPERATION OF THE TRANSLATING SLEEVES. TEN CYCLES OF TRANSLATING SLEEVE POWER EXTENSION AND RETRACTION WILL REMOVE ALL CAUGHT AIR FROM THE SYSTEM.
CAUTION: YOU MUST MOVE THE LOCK LEVERS OF THE TWO LOCKING ACTUATORS AFT TO THE UNLOCKED POSITION BEFORE YOU BLEED THE SYSTEM. IF YOU DO NOT DO THIS, UNEVEN OPERATION OF THE TRANSLATING SLEEVES CAN CAUSE DAMAGE TO THE SYSTEM.
   (1) Move the lock levers of the left and right locking actuators aft to the unlocked position and install the IAE1N20049 PIN - LOCKOUT ACTUATOR, to hold the lock levers in the unlocked position.
   (2) Operate the system:
WARNING: MAKE SURE THAT THERE ARE NO PERSONS IN THE AREA AROUND THE THRUST REVERSER BEFORE YOU DO A POWER EXTENSION OR RETRACTION OF THE TRANSLATING SLEEVES. THE TRANSLATING SLEEVES EXTEND AND RETRACT IN 4.5 SECONDS OR LESS AND CAN CAUSE INJURY AND DAMAGE.
     (a) Operate the system through ten cycles of translating sleeve power extension and retraction (Ref. AMM TASK 78-31-00-710-041).
   (3) Remove the lockout pins:
CAUTION: THE LOCKING ACTUATOR LOCK LEVERS MUST BE IN THE FORWARD LOCKED POSITION FOR FLIGHT OPERATION.
     (a) Remove the lockout pins (IAE1N20049) from the lock levers of the left and right locking actuators and move the lock levers forward to the locked position.
   (4) Refill the green hydraulic reservoir for engine 1 (yellow hydraulic reservoir for engine 2) (Ref. AMM TASK 12-12-29-611-001) or (Ref. AMM TASK 12-12-29-611-002).
5. Close-up
Subtask 78-32-44-410-050-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the access platform(s).
Subtask 78-32-44-790-050-A ** ON A/C NOT FOR ALL
B. Do a leak check of the left C-Duct flexible synchroneous cables and tubes. Leaks are not permitted.
Subtask 78-32-44-710-050-A ** ON A/C NOT FOR ALL
C. Operational Test
   (1) Do an operational test of the thrust reverser system (Ref. AMM TASK 78-31-00-710-041).
NOTE: As an alternative procedure, you can do the operational test without the CFDS (Ref. AMM TASK 78-31-00-710-041).
[Rev.10 from 2021] 2026.04.01 03:28:34 UTC
"Aviabrain" 2025