(a) Install the inner retainers (110), and the nuts (120).
(b) TORQUE the nuts to the minimum value of to between 80 and 95 lbf.ft (10.84 and 12.88 m.daN).
NOTE : TORQUE the nuts (120) to the minimum value; increase the
____ value as necessary to align the nuts with the anti-rotation retainers (60), when the retainers are installed.
(c) Temporarily install the anti-rotation retainers (60) and record the position necessary for alignment of the nuts; then increase the torque on the nuts (120) as necessary (do not torque more than maximum torque value), to align the nuts with the retainers (60).
(d) Install the nuts (130).
(e) TORQUE the nuts to the minimum value of to between 35 and 42 lbf.ft (4.74 and 5.69 m.daN).
NOTE : TORQUE the nuts (130) to the minimum value; increase the
____ value as necessary to align the nuts with the anti-rotation retainers (50), when the retainers are installed.
(f) Temporarily install the anti-rotation retainers (50) and record the position necessary for the alignment of the nuts; then increase the torque on the nuts (130) as necessary (do not torque more than the maximum torque value), to align the nuts with the retainers (50).
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(g) With the nuts (120 and 130) torqued and in an aligned position, install the outer retainers (50 and 60) with the bolts (10), washers (20 and 30), and nuts (40).
(h) TORQUE the nuts (40) to between 24 and 27 lbf.in (0.27 and 0.30 m.daN).
5. Close-up
________
Subtask 71-22-11-080-050
A. Remove the Bootstrap System
(Ref. Fig. 402/TASK 71-22-11-991-302)
(1) Remove the chain pulley blocks and the dynamometers from the rear beam (9) and the forward hinge arms (4) and (5).
(2) Remove the two ball pins (8) then remove the rear beam (9) from the pylon.
(3) Remove the ball pins (1) then remove the link (2).
(4) Remove the ball pins (3) and remove the forward hinge arms (4) and (5).
(5) Release the left and right clamps (7) and remove the spacer and the center hinge clamp (6) from the pyramid.
Subtask 71-22-11-410-059
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(3) Remove the access platform(s).
Subtask 71-22-11-440-052
C. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
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D. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Remove the warning notice(s).
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MOUNT - AFT - INSPECTION/CHECK
______________________________ TASK 71-22-11-210-040 Detailed Visual Inspection of the Aft Engine Mount with the Engine Removed
1. Reason for the Job
__________________
Refer to the MPD TASK: 712211-01
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 71-22-11-000-041 Removal of the Aft Engine Mount R 71-22-11-400-041 Installation of the Aft Engine Mount CMM 71-22-07
3. Job Set-up
__________
Subtask 71-22-11-010-064
A. Get Access R (1) Remove the Aft engine mount (Ref. TASK 71-22-11-000-041).
(2) Put the access platform in position
4. Procedure
_________
Subtask 71-22-11-210-058
A. Do a detailed visual inspection of the aft engine mount (Ref. CMM 71-22-07) 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 动力装置 POWER PLANT 2(7)
