78-31-03
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
(1) Obey the caution that proceeds throughout this procedure.
NOTE: Side to side movement of the actuator rod end to align it
____ with the thrust reverser attach points is permitted, but rotation of the rod end will change the internal feedback adjustment.
S 044-002-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.
(2)
Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
S 864-022-C00
(3)
Remove hydraulic power (AMM 29-15-00/201).
S 864-044-C00
(4)
Make sure the reverse thrust levers are fully forward and down in the retracted position.
S 014-003-C00
(5)
Open the fan cowl panel (AMM 71-11-02/201).
S 014-004-C00
(6)
Manually, move the sleeve aft approximately ten inches (254 mm) (AMM 78-31-00/201).
S 684-005-C00
(7)
Drain the actuators and the hydraulic tubes as follows:
(a)
Get a 5-gallon (20 liters) container to catch the hydraulic fluid.
CAUTION:_______PREPARE TO CATCH THE HYDRAULIC FLUID. IMMEDIATELY CLEAN ALL SPILLS. HYDRAULIC FLUID CAUSES CORROSION ON METAL.
(b)
Loosen the flexible line connections at the upper (locking) actuator (View A, Fig. 401).
(c)
Remove the caps from the lower EXT (extend) and RET (retract) ports on the lower actuator (View D, Fig. 401).
1) Let the fluid drain.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
SEE A
SEE C REVERSER WIRE BUNDLE
SEE D
FEEDBACK CABLE
FLEXIBLE HYDRAULIC LINES
MANUAL DRIVE
CONNECTOR
REVERSER
WIRE BUNDLE SYNC LOCK
UPPER
FEEDBACK (LOCKING)
CABLE ACTUATOR
SEE B
FLEXIBLE
A2
HYDRAULIC
MANUAL
LINES
DRIVE ROTATING FLEX SHAFT
UPPER (LOCKING)
ACTUATOR
SEE B MANUAL UNLOCK HANDLE
ROTATING FLEX SHAFT A1
1
AIRPLANES WITHOUT
THRUST REVERSER SYNC LOCKS.
2 AIRPLANES WITH THRUST REVERSER SYNC LOCKS. Thrust Reverser Actuator Installation Figure 401 (Sheet 1)
A58037
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78-31-03
ALL ú ú C01 Page 404 ú Nov 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
LOCK TAB
FREE FLOW LEVER
ARROW RIG PIN
INSERT
LOCATION FEEDBACK ROD
BELLCRANK
IDENTIFICATION
ON VALVE
B1 3 UPPER
(LOCKING)
ACTUATOR
TUBE COUPLING NUT
FLEXIBLE TUBE ADAPTER HYDRAULIC LINES
FLEX SHAFT
BOLT 5
SEE B1
3 BELLCRANK PLUG
CASCADE AFT
SUPPORT RING
B
GLAND NUT
ROD STOP
A
A
ACTUATOR
ROD END
0.007-0.033 INCH (0.18-0.84 mm) 4
UPPER LOCKING ACTUATOR A-A
C
3 UPPER ACTUATORS WITH THE RESTRICTOR CHECK VALVE 5 _______
CAUTION: INSTALL THE BOLT WITH THE HEAD UP.4
CLEARANCE FOR THE NONLOCKING IT IS OK TO INSTALL THE BOLT FROMACTUATORS IS 0.000-0.080 INCH EITHER DIRECTION, BUT MAKE SURE(0.0-2.0 mm) THE BOLT HEAD IS UP.
Thrust Reverser Actuator Installation
Figure 401 (Sheet 2)
B09601
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