(e)  
Loosen the nose cap at the hex connector.

 NOTE: Do not disconnect the nose cap and the conduit cap.
____
 (f)  Carefully move the conduit cap away from the MEC slotted
 bracket.

 S 034-015-C00
 (8)  Disconnect the feedback cable for the variable stator vane (VSV) as follows (Fig. 404):
 (a)  
Remove the cotter pin from the rod end bearing.

 (b)  
Discard the cotter pin from the rod end bearing.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
MEC SEE  A 
VBV FEEDBACK CABLE 
NOSE CAP 
BRACKET MEC SLOTTED  HEX CONNECTOR HEX CONNECTOR 
CONDUIT CAP 
B  HEAD SCREW FILLISTER  CLIP RETAINER 

SEE C
INNER MEMBER
VBV FEEDBACK CABLE
SEE B
MEC
(VIEW IN THE FORWARD DIRECTION)

A
PIN VBV ROD END BEARING
MEC FEEDBACK ARM
DISASSEMBLED C
VBV Feedback Cable to MEC Installation Figure 403
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 C
MEC
SEE A
INNER
MEMBER
VBV FEEDBACK CABLE
VSV
VSV FEEDBACK
FEEDBACK CABLE
CABLE
NOSE CAP
HEX CONNECTOR
WASHER
MEC SLOTTED
BRACKET WASHER 1 SEE B
HEX
MEC
CONNECTOR
(VIEW IN THE FORWARD DIRECTION) CONDUIT CAP
A
WASHER B
COTTER PIN BOLT
VSV FEEDBACK CABLEMEC ROD END BEARINGFEEDBACK
LEVER
1 NOT INSTALLED ON SOME ENGINES
C
VSV Feedback Cable Attachment to MEC Figure 404
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(c)  Remove the nut, the bolt and the washer.
 CAUTION: YOU MUST RETRACT THE CABLE INNER MEMBER BEFORE YOU REMOVE
_______
 THE SUPPORT TUBE ASSEMBLY. THIS WILL PREVENT DAMAGE TO
 THE EXPOSED INNER MEMBER.

 (d)  
Move the cable inner member to the fully retracted position at the MEC end.

 CAUTION:_______DO NOT TWIST THE FEEDBACK CABLE. USE TWO WRENCHES WHEN
 YOU LOOSEN THE NOSE CAP, ONE ON THE NOSE CAP AND ONE ON
 THE CONDUIT CAP. THIS WILL PREVENT DAMAGE TO THE
 HARDWARE.

 (e)  
Loosen the nose cap at the hex connector.

 NOTE: Do not disconnect the nose cap and the conduit cap.
____
 (f)  Carefully move the conduit cap away from the MEC slotted
 bracket.

 S 684-017-C00
 CAUTION: USE TWO WRENCHES WHEN YOU REMOVE THE COUPLING NUTS FOR THE FUEL
_______ SUPPLY LINE, ONE TO HOLD THE FITTING AND ONE TO LOOSEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
 (9)  Drain the fuel from the fuel lines, the fuel pump, and the MEC as follows (Fig. 405, Sheet 1):
 (a)  Put a container below the MEC to catch the fuel.
 NOTE: The quantity of fuel that will drain is approximately
____ 1.0 gallons.
 (b)  
Remove the drain plug to the fuel filter.
 1) Let the fuel drain into the container.
　
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