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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
UPPER SEAL INNER EXTENSION SCREW
RING (15 LOCATIONS)
APPLY
THE
APPLY
SEALANT THE
HERE SEALANT HERE
6 O'CLOCK STRUT RIGHT FAIRING HALF
6 O'CLOCK STRUT 6 O'CLOCK
FAN FRAME FIREWALL
STRUT
OUTER
SEE F LOWER SEAL APPLY THE RING EXTENSION
SEE F SEALANT
HERE
E
VBV FEEDBACK CABLE VSV
FEEDBACK CABLE
JUNCTION PLATE
MEC G
LOOP SEE GCLAMPS
VSV 6 O'CLOCK VBV
FEEDBACK STRUT FEEDBACK
CABLE CABLE SEE H
VSV FEEDBACK CABLE LOOPLOOP CLAMPS RUBBER CLAMPPACKING BLOCK BRACKET
G-M56-MM-0140(1)-01-B(M) F
H
Variable Stator Vane (VSV) Feedback Cable Installation Figure 401 (Sheet 2)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(4) S 034-005-C00If you must replace the feedback cable, remove the rod end bearing and jamnut. (a) Keep the rod end bearing and jamnut for the installation procedure.
(5) S 034-006-C00Loosen the nose cap and carefully move the conduit cap free from the slotted bracket.
(6) S 034-007-C00Disengage the cable from the loop clamps at the 6:30 o'clock position on the middle shroud of the fan frame.
S 034-008-C00
CAUTION: DO NOT DAMAGE OR REMOVE THE SEAL AT THE TOP AND BOTTOM SURFACES
_______ OF THE STRUT FAIRING. IF YOU CAUSE DAMAGE TO THE TOP OR BOTTOM SEAL, LEAKAGE CAN OCCUR.
(7)
Remove the screws (15 locations) that attach each half of the 6 o'clock strut fairing and remove the strut fairing halves.
S 034-009-C00
(8)
Remove the bolts and nuts which attach the cable flange to the 6 o'clock junction plate.
S 034-010-C00
(9)
Remove the nut and bolt that attach the loop clamp to the bracket at the 6 o'clock strut.
S 034-011-C00
(10)
Remove the clamp from the cable.
S 034-012-C00
(11)
Remove the cable from the rubber packing block found at the
6:30 o'clock position.
S 034-013-C00
(12) Remove the nuts and bolts that attach the loop clamps to the brackets at the 6:30 and 7 o'clock positions.
(a) The brackets are on the rear flange of the fan frame.
S 034-014-C00
(13) Remove the clamps from the cable.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 034-015-C00
(14) Disconnect the end of the VSV feedback cable from the MEC feedback arm as follows:
(a)
Remove the cotter pin from the nut.
1) Discard the cotter pin.
(b)
Remove the nut, bolt and washer.
S 034-016-C00
(15)
Move the inner part of the cable to the fully retracted position at the MEC end.
S 034-017-C00
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