Installation of the Air-Intake Flap Actuator (131-9(A))

TASK 49-16-51-400-003-A
Installation of the Air-Intake Flap Actuator (131-9(A))

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 313
ZONE: 314
FIN: 4015KM ** 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	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific	1	FLASHLIGHT
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.8 and 0.7 m.daN (70.80 and 61.95 lbf.in )
98L12003001000	AR	HARNESS,SAFETY

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.04TMB2)	Varnish-- Electrical Bonding Structure
(Material No.06AAB1)	Polysulfide Sealant-General Purpose Fillet -
(Material No.06LCG9)	Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.06LDG2)	Non Hardening Jointing Putty-High Temp. Area - Structure
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
313	TAIL CONE APU AIR INTAKE AREA
314	TAIL CONE APU AIR INTAKE AREA
314AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	COTTER PIN	AIPC 49-16-04-03-070
17	COTTER PIN	AIPC 49-16-04-03-070
12	BELLOWS	AIPC 49-16-04-03-080
1	COTTER PIN	AIPC 49-16-84-40-350
17	COTTER PIN	AIPC 49-16-84-40-350
12	BELLOWS	AIPC 49-16-84-40-390

E. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 49-16-43-400-003-A	Installation of the Air Intake Flap (131-9(A))
TASK 49-16-43-400-006-A	Installation of the Catwalk Panel (131-9(A))
TASK 49-16-51-820-003-A	Adjustment of the Air-Intake Flap Actuator (131-9(A))
TASK 52-41-23-010-801-A	Opening of Access Door 314AR
TASK 52-41-23-410-801-A	Closing of Access Door 314AR
Air-Intake Flap Actuator

3. Job Set-up
Subtask 49-16-51-860-064-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized
(Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 25VU, make sure that the APU MASTER SW pushbutton switch is released (ON legend is off).
(3) On the APU section of overhead panel 25VU, make sure that the WARNING NOTICE(S) is in position to tell persons not to start the APU.
(4) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).

Subtask 49-16-51-865-064-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

Subtask 49-16-51-010-057-A ** ON A/C NOT FOR ALL

C. Get Access

WARNING: BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.

(1) Make sure that the 98L12003001000 HARNESS,SAFETY is put and attached before you start work in the work area.
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below access door 314AR.
(3) Make sure that access door 314AR is open and safetied in the open position.
(Ref. AMM TASK 52-41-23-010-801).
(4) If necessary, use a FLASHLIGHT.
(5) Make sure that the catwalk panel is removed (Ref. AMM TASK 49-16-43-400-006).

4. Procedure
Subtask 49-16-51-210-056-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Make an inspection of the bellows (12) for cracks and damage. If necessary, replace the bellows as follows:
(a) Remove the screws (14), the washers (13), the ring (9) and the bellows (12).
(b) Install the new AIPC 49-16-04-03-080 BELLOWS (12) or AIPC 49-16-84-40-390 BELLOWS (12), the ring (9), the washers (13) and the screws (14).
(2) Make an inspection of the air intake flap and the structure fittings for cracks and corrosion. Replace the fittings if necessary.
(3) Close and open the air intake flap manually and examine the adjustment. Adjust the air intake flap if necessary (Ref. AMM TASK 49-16-43-400-003).
(4) Apply the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) or Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to all the mating surfaces. Do not apply the putty to any part of the bonding strap (21) or it's mating surface.

Subtask 49-16-51-210-056-B ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Make an inspection of the bellows (12) for cracks and damage. If necessary, replace the bellows as follows:
(a) Remove the screws (14), the washers (13), the ring (9) and the bellows (12).
(b) Install the new AIPC 49-16-04-03-080 BELLOWS (12) or AIPC 49-16-84-40-390 BELLOWS (12), the ring (9), the washers (13) and the screws (14).
(2) Make an inspection of the air intake flap and the structure fittings for cracks and corrosion. Replace the fittings if necessary.
(3) Close and open the air intake flap manually and examine the adjustment. Adjust the air intake flap if necessary (Ref. AMM TASK 49-16-43-400-003).
(4) Apply the Non Hardening Jointing Putty-High Temp. Area - Structure (Material No.06LDG2) to all the mating surfaces. Do not apply the putty to any part of the bonding strap (21) or its mating surface.

Subtask 49-16-51-420-055-A ** ON A/C NOT FOR ALL

B. Installation of the Air Intake Actuator
(1) Hold the air intake flap in the top position.
(2) Make sure that the new air-intake flap actuator (6) is in the flap open position (retracted).

NOTE: Turn the manual override device on the air-intake flap actuator with a torque wrench until the actuator rod is in the retracted position (which agrees with the open position of the air intake flap).
For the 43-1-1100 Amendment 1 actuator a torque up to 0.3 m.daN (26.55 lbf.in) is permitted.
For the 106-1-1100-02 actuator, a torque up to 0.4 m.daN (35.40 lbf.in) is permitted.
Be careful when you come to the mechanical stop at the end of travel. If you turn the manual override device with a torque more than the limit, damage to the air-intake flap actuator will occur.

NOTE: For the 43-1-1100 Amendment 1 actuator, approximately 47 turns are necessary on the manual override device for one full travel of the air-intake flap actuator.
For the 106-1-1100-02 actuator, approximately 87 turns are necessary on the manual override device for one full travel of the air-intake flap actuator.

(3) Put the air-intake flap actuator (6) in position and install the bolt (5), washers (3) and (4) and the castle nut (2).
(4) TORQUE the castle nut (2) to between 0.8 and 0.7 m.daN (70.80 and 61.95 lbf.in )

and safety it with a new AIPC 49-16-04-03-070 COTTER PIN (1) or AIPC 49-16-84-40-350 COTTER PIN (1).
(5) Seal the connection with the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) and apply the Varnish-- Electrical Bonding Structure (Material No.04TMB2) .
(6) Connect the air intake flap with the bolt (10), washers (15) and (22) and the castle nut (16). Do not fully tighten the nut at this time.
(7) Remove the CAP-BLANKING from each electrical connector and receptacle.
(8) Make sure that all the electrical connections are clean and in the correct condition.
(9) Connection of the electrical connector (18):

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Connect the electrical connector (18) and safety it with lockwire 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(10) Connect the bonding strap (21) with the screw (20) and the washer (19).
(11) Seal the connection with the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) and apply the Varnish-- Electrical Bonding Structure (Material No.04TMB2) .

Subtask 49-16-51-820-056-A ** ON A/C NOT FOR ALL

C. Do the adjustment of the air-intake flap actuator (Ref. AMM TASK 49-16-51-820-003).

Subtask 49-16-51-420-056-A ** ON A/C NOT FOR ALL

D. Final Installation
(1) TORQUE the castle nut (16) to between 0.8 and 0.7 m.daN (70.80 and 61.95 lbf.in )

and safety it with a new AIPC 49-16-04-03-070 COTTER PIN (17) or AIPC 49-16-84-40-350 COTTER PIN (17).
(2) Seal the connection with the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) and apply the Varnish-- Electrical Bonding Structure (Material No.04TMB2)
(3) Install the clamp (11) and connect the bellows (12) to the air-intake flap actuator (6).

5. Close-up
Subtask 49-16-51-410-054-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) Install the catwalk panel (Ref. AMM TASK 49-16-43-400-006).
(3) Close access door 314AR (Ref. AMM TASK 52-41-23-410-801).
(4) Remove the access platform(s).
(5) Remove the safety harness.

Subtask 49-16-51-865-066-A ** ON A/C NOT FOR ALL

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

Subtask 49-16-51-860-065-A ** ON A/C NOT FOR ALL

C. Put the aircraft back to its initial configuration.
(1) Put the related hydraulic system in the pressurized configuration (Ref. AMM TASK 29-00-00-864-001).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 01:28:18 UTC