(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.
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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
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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
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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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