(2)
Open the maintenance door 314AR.
(3)
Release the 22 stud fasteners and remove the catwalk panel from the service panel.
4. Procedure
_________
(Ref. Fig. 201/TASK 49-16-51-991-001) Subtask 49-16-51-210-052
A. Check of the Air Intake Actuator
(1)
Make sure that the air intake flap is in the ground position (open).
(2)
Make sure that the air intake flap is aligned with the contour of the inner top wall of the air inlet duct. The maximum permitted deviation B from the contour 1.0 mm (0.0393 in.) in the opened position.
(3)
If necessary, adjust the air-intake flap actuator.
Subtask 49-16-51-865-053
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-16-51-820-051
C. Adjustment of the Air Intake Actuator
(1)
Remove the clamp (11) and push the bellows (12) down.
(2)
Remove and discard the lockwire from the locknut (7) and loosen the locknut.
(3)
Remove and discard the cotter pin (17).
(4)
Remove the castle nut (16), the washers (9A,15) and the bolt (10).
(5)
Adjust the end fitting (8) in half-turn steps until you get the correct length. One half-turn causes the air intake flap to move approximately 1.0 mm (0.0393 in.).
(6)
Align the end fitting (8) and examine the thread-engage inspection hole.
(7)
Tighten the locknut (7) and safety it with lockwire-corrosion resistant steel 0.8mm.
(8)
Install the bolt (10), the washers (15),(9A) and the castle nut (16).
(9)
TORQUE the castle nut (16) to between 0.7 and 0.8 m.daN (61.94 and
70.79 lbf.in) and safety it with a new cotter pin (17).
(10)
Seal the connection with the SEALANTS (Material No. 09-016) and apply the PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-001).
(11)
Install the clamp (11) and connect the bellows (12) to the air-intake flap actuator (6).
Subtask 49-16-51-710-051
D. Do the operational test of the air intake flap (Ref. TASK 49-16-00-710-001).
5. Close-up
________ Subtask 49-16-51-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the catwalk panel on the service panel with the 22 stud fasteners.
(3)
Close the maintenance door 314AR.
(4)
Remove the access platform(s).
ACTUATOR - AIR INTAKE FLAP ((131-9(A))) - MAINTENANCE PRACTICES
_______________________________________________________________ TASK 49-16-51-000-003 Removal of the Air-Intake Flap Actuator (131-9(A))
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
49-16-51-991-003 Fig. 201
3. Job Set-up
__________ Subtask 49-16-51-865-063
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
R EFF : 001-049, 101-105, 107-107, 151-199, 49-16-51Page 201 201-210, Config-2 Aug 01/05 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM 机载辅助动力 AIRBORNE AUXILIARY POWER3(46)
