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MAINTENANCE MANUAL
S 044-004
WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO YOU OR DAMAGE TO THE EQUIPMENT.
(3)
Do the Thrust Reverser Deactivation for Ground Maintenance procedure (Ref 78-31-00).
S 044-005
(4)
Do the Slat Drive System Deactivation procedure (Ref 27-81-00).
S 014-006
(5)
Open these access doors and panels (Ref 06-44-00):
(a)
For the left wing,
522BL, 522JL, 521UBX, 521AB, 511KT
(b)
For the right wing,
622BR, 622JR, 621UBX, 621AB, 611KT
S 864-007
(6) Remove pneumatic power (Ref 36-00-00).
D. Procedure - Remove the Lower Telescoping Duct (Fig. 401)
S 864-020
(1) Do the Prepare for Removal paragraph.
S 034-008
WARNING: YOU MUST LET THE DUCT BECOME COOL. A HOT
_______THE DUCT CAN BE HOT. DUCT CAN CAUSE INJURY TO PERSONS.
(2)
Remove the bolts that hold the inboard TAI duct flange to the slat at the inboard end of slat 4 (View B, Fig. 401). Move the TAI duct inboard the minimum distance necessary to be clear of the lower telescoping duct.
S 034-009
(3)
Remove the bolt that holds the outboard TAI duct to the outboard end of slat 4 (View C). Move the TAI duct outboard in the flexible coupling the minimum distance necessary to be clear of the lower telescoping duct (View B).
S 034-010
(4)
Remove the most forward bolt that holds the two lower telescoping duct bearings to the structure.
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(5) Move the lower telescoping duct forward to disengage it from the upper telescoping duct. Carefully lower the upper telescoping duct to prevent separation of the torsion springs from the aerodynamic curtain.
E. Procedure - Remove the Upper Telescoping Duct (Fig. 401)
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本文链接地址：757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(34)
