EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 75-32-02
 ALL  ú ú C01.1 Page 416 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 414-042-C00
 (21)
 Close the fan cowl panel (AMM 71-11-02/201).

 S 794-029-C00

 (22)
 Do Test No. 3 - Leak Check - Idle Power (AMM 71-00-00/501).

 S 794-032-C00

 (23)
 Make sure that there are no leaks at the VBV open and closed tube connections at the MEC and at the 9 o'clock tube assembly.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 ú

 75-32-02
 ú ALL ú ú ú C01.101 Page 417 ú ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
BLEED VALVE STOP MECHANISM ASSEMBLY - ADJUSTMENT/TEST
_____________________________________________________
 1.  General
_______
 A.  This procedure gives instructions to do a rigging of the VBV kicker system.
 B.  This procedure is done after the removal of these components:
 -
the VBV stop mechanism

 -
the VBV master ballscrew actuator

 -
the VBV feedback rod.

 TASK 75-32-02-835-001-C00
 2.  Kicker System Adjustment
________________________
 A.  Equipment
 (1)  
856A2501, Wrench - VBV Ratchet, CFM International, P.O. Box 15514, Cincinnati, OH 45215

 (2)  
Pull Scale - 0-25 pounds (0-120 N) capacity

 B.  Consumable Materials
 (1)  Grease - Graphite (CP 2101) (AMM 70-10-01/201)
 C.  References
 (1)  
AMM 75-32-00/201, Variable Bleed Valve System

 (2)  
AMM 78-31-00/201, Thrust Reverser System

 D.  Access
 (1)  
Location Zones
 506 Engine No. 1 - Fan Frame 9 o'clock
 606 Engine No. 2 - Fan Frame 9 o'clock

 (2)  
Access Panels
 5738L Engine No. 1 - Left Thrust Reverser
 5838L Engine No. 2 - Left Thurst Reverser

 E.  Procedure (Fig. 501)
 S 015-002-C00
 (1)  If it is necessary, open the left thrust reverser
 (AMM 78-31-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES POST-CFMI-SB 72-580 ú

 75-32-02
 ú ú C01 Page 501 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE  B 
SEE  A 
A 
CLEVIS  JAMNUT  FEEDBACK 
ROD 
KICKER 
STOP 
NOTCH 
FREE 
LEVER 
REVERSER 
ARM 
RETURN VBV FEEDBACK 
LEVER  CABLE 
B 
VBV Kicker Measurement and Adjustment 
Figure 501 (Sheet 1) 

A73907
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES POST-CFMI-SB 72-580 ú

 75-32-02
 ú ú C01 Page 502 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

VBVs IN THE FULLY CLOSED POSITION VBVs AT THE SWITCH POINT
　
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