S 215-028-C00
(20)
Do a check that the applicable reverse thrust lever is in the stow position.
S 865-044-C00
(21)
Unlock the sync lock:
(a)
Move the No. 1(2) reverse thrust lever to the extend position.
(b)
Move the No. 1(2) reverse thrust lever to the retract position.
NOTE: You must do the next step in less than 90 seconds
____ after you move the reverse thrust lever to the retract position. If you do not, the sync lock will lock and prevent the movement of the sleeve.
S 445-040-C00
(22) Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
NOTE: The auto-restow system will cause the thrust reverser sleeve
____
to move to the stow position when you remove the lockpin.
S 865-030-C00
(23) Press and release the applicable T/R Reset switch on the engine accessory unit.
S 045-039-C00
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(24) Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 215-019-C00
(25)
Do a check to see that the feedback rig pin can be freely installed through the feedback lever and bracket.
S 215-020-C00
(26)
Do a check to see that the gland nut to rod stop clearances are in the specified limits on all three actuators (AMM 78-31-00/601).
S 435-016-C00
(27)
Install the rotary flex shafts (AMM 78-31-04/401).
S 415-032-C00
(28)
Install the actuator access doors.
(a) Tighten the access door fasteners to 45 to 50 pound-inches
(5.1 to 5.6 Newton meters).
S 415-022-C00
(29) Close the fan cowl panels (AMM 71-11-02/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
ROTARY FLEX SHAFTS - REMOVAL/INSTALLATION
_________________________________________
1. General
_______
A. This procedure gives the steps to remove and install the two rotary flex shafts on the thrust reverser halves.
B. You must tighten all of the hydraulic connections as follows:
(1)
Tighten the connections to 255 pound-inches.
(2)
Loosen the connections.
(3)
Tighten the connections again to 255 pound-inches.
TASK 78-31-04-004-001-C00
2. Remove the Rotary Flex Shaft
_____________________________
A. Equipment
(1)
B78009-2/21 - Thrust Reverser Maintenance Lock
Equipment
(2)
5-Gallon Pail (Commercially Available)
B.
References
(1)
AMM 71-11-02/201, Fan Cowl Panels
(2)
AMM 78-31-00/201, Thrust Reverser System
C.
Access
(1)
Location Zones
502/602 Left Fan Cowl
503/603 Right Fan Cowl
504/604 Left Thrust Reverser
505/605 Right Thrust Reverser
(2)
Access Panels
5737L/5837R Fan Cowl Assy
5746L/5846R Fan Cowl Assy
5738L/5838R Thrust Reverser Cowl Assy
5739L/5839R Thrust Reverser Cowl Assy
D.
Remove the rotary flex shaft (Fig. 401).
S 044-002-C00
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
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