A320飞机维护手册 AMM EXHAUST 2(53)

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 Subtask 78-32-11-010-059
 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 78-32-11-040-054
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 78-32-11-865-052
 D. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/HYD POWER/Y 3803GX N30 123VU Y HYD/ELEC/PUMP 3802GX AB06
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
 4. Procedure
_________
 (Ref. Fig. 401/TASK 78-32-11-991-302, 402/TASK 78-32-11-991-303, 403/TASK 78-32-11-991-304, 404/TASK 78-32-11-991-305, 406/TASK 78-32-11-991-307, 407/TASK 78-32-11-991-308)
 Subtask 78-32-11-080-051
 A. Preparation for Installation
 (1) Install the HANDLING SLING (HIX1001) on the half door as follows: (Ref. Fig. 404/TASK 78-32-11-991-305, 405/TASK 78-32-11-991-306)
 CAUTION : THE STOPS ON THE SCREWS MUST TOUCH THE 12 O'CLOCK BEAM. IF
_______ THE SCREWS ON THE LIFTING BEAM ARE NOT FULLY IN THE HOIST POINT, THE HALF DOOR COULD FALL. IF THE HALF DOOR FALLS IT CAN BE DAMAGED.
 (a) Install the handling sling on the two upper hoist points of the half door.
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 (b) Remove and keep one lifting hoist plug from the lower hoist point.

 (c) Install the lifting strap on the middle lower fitting.

 (2) Remove the half door from the WORKSTAND MOBILE (HIX3001) as follows: (Ref. Fig. 407/TASK 78-32-11-991-308)
 (a) Remove the attachment strap from the lower hoist point.

 (b) Remove the cotter pins and hinge pins from the mobile workstand.

 (c) Remove the half door from the mobile workstand.

 (d) Install the hinge pins on the mobile workstand and attach with cotter pins.

 Subtask 78-32-11-410-057
 B. Installation of the Left or Right Thrust Reverser half Door. CAUTION : MAKE SURE THE BLOCKER DOORS ARE LOCKED TO PREVENT BLOCKER DOOR
_______
 DAMAGE.

 CAUTION : THE HALF DOOR WEIGHS APPROXIMATELY 440 POUNDS (200 KG). MAKE
_______ SURE THAT THE CRANE CAN LIFT 440 POUNDS (200 KG). HOWEVER, THE FORCE USED TO LIFT THE HALF DOOR SHOULD NOT BE MORE THAN 661 POUNDS (300 KG). IF THE LIFTING FORCE IS TOO MUCH THE SCREWS IN THE LIFTING BEAM CAN BREAK AND THE HALF DOOR WILL FALL AND BE DAMAGE.
 (1) Apply a thin layer of molykote G rapid (Material No. CP2104) on the hinge pins.

 (2) Move the half door to the 10 degrees opening position.

 (3) Put thrust reverser in a position to align the hinges with the hinges on the pylon.

 (4) Attach the half door to the pylon with the hinge pins, the washers and the nuts.

 (5) Tighten the nut to remove clearance and align cotter pin holes. NOTE : If the cotter pin holes are not align, the nut can be

____ untightened of 1/6 of turn to align the bolt hole with a slot in the nut.
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 (7) Disconnect the two shackles of the handling sling.
 (Ref. Fig. 404/TASK 78-32-11-991-305)

 (8) Remove the handling sling from the two upper hoist points of the half door. (Ref. Fig. 405/TASK 78-32-11-991-306)

 (9) Move the half door. WARNING : YOU MUST HOLD EACH HALF DOOR OPENED WITH THE HOLD-OPEN ROD

_______ TO PREVENT SERIOUS INJURY DUE TO ACCIDENTAL CLOSURE.
 (a) Move the half door to 45 degrees position with the handling sling.
 (10) Install the hold-open rods as follows:
 (Ref. Fig. 406/TASK 78-32-11-991-307)

 (a) Disconnect the quick release pin that attach the hold-open rod to the upper bracket.

 (b) Attach the hold-open rod to the attach bracket of the forward frame with the quick-release pin.

 

 (11) Install the left or right door-opening actuators (Ref. TASK 78-36-51-400-041).

 (12) Close the left and right thrust reverser half doors (Ref. TASK 78-36-00-410-040).

 (13) Remove the lifting strap from the middle lower hoist point. (Ref. Fig. 404/TASK 78-32-11-991-305, 405/TASK 78-32-11-991-306)

 (14) Install the hoist plug on the lower hoist point.
　
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