EQUIPMENT CAN OCCUR.
 (4)  
Close the left thrust reverser (AMM 78-31-00/201). S 416-008-C00

 (5)  
Close the left fan cowl panel (AMM 71-11-02/201).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
BLEED VALVE AND MASTER BALLSCREW ACTUATOR - REMOVAL/INSTALLATION
________________________________________________________________
 1.  General
_______
 A.  This procedure includes the removal and installation of the bleed valve and master ballscrew actuator.
 B.  You must remove the 9 o'clock fan duct panel to get access to the unit.
 C.  The installation procedure includes a position check for the bleed valve door.
 TASK 75-32-03-004-022-C00
 2.  Remove the Bleed Valve and Master Ballscrew Actuator
____________________________________________________
 A.  References
 (1)
AMM 71-11-02/201, Fan Cowl Panels

 (2)
AMM 72-33-03/401, Fan Duct Panel

 (3)
AMM 78-31-00/201, Thrust Reverser System

 B.  Access
 (1)  
Location Zones 506 Engine No. 1 - 9 o'clock position on the fan frame 606 Engine No. 2 - 9 o'clock position on the fan frame

 (2)  
Access Panels
 5783L Engine No. 1 - Thrust Reverser Half
 5838R Engine No. 2 - Thrust Reverser Half

 C.  Procedure (Fig. 401)
 S 014-055-C00
 (1) Open the fan cowl panel (AMM 71-11-02/201).
 S 014-056-C00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS WHEN YOU OPEN THE THRUST REVERSERS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (2)
Open the left thrust reverser (AMM 78-31-00/201).

 (3)
Remove the 9 o'clock fan duct panel (AMM 72-33-03/401).

 S 014-024-C00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE  A 
SEE  D  SEE  E  SEE  B  A
FEEDBACK ROD  STOP MECHANISM BLEED VALVE 
FUEL GEAR MOTOR BLEED VALVE 
ACTUATOR MASTER BALLSCREW BLEED VALVE AND CSEE 
TO THE CLOSED POSITION DIRECTION VALVE TURNS ARROW SHOWS THE 
B  S-M56-MM-1007-(1)-00-B 

Bleed Valve and Master Ballscrew Actuator Installation
Figure 401 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FLEXIBLE SHAFT
PROTECTING BOOT
UPPER HORIZONTAL CAPTIVE BOLTS
LOWER VERTICAL CAPTIVE BOLTS SCREWS THAT ATTACH THE VALVE HOUSING TO THE 9 O'CLOCK STRUT
VBV DOOR
SEAL
C
MAIN FLEXIBLE SHAFT
VBV CONTROL DRIVE FLEXIBLE SHAFT
S-M56-MM-1006-(1)-00-B
CLEVIS 
FEEDBACK  BOLT  FEEDBACK ROD 
LEVER 

WASHER
SPLIT BUSHING FOR NUT
ACCESS TO THE HEXAGONAL END OF THE MAIN FLEXIBLE SHAFT
D E
S-M56-MM-1007-(1)-01-B
Bleed Valve and Master Ballscrew Actuator Installation Figure 401 (Sheet 2)
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