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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
VSV Position Transmitter and Indicator Installation
Figure 502 (Sheet 1)
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75-31-00
ALL ú
ú C03 Page 508
ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE B
STAGE 1
ACTUATOR
BRIDGE
ACTUATOR
STAGE 1 BRIDGE
TIE ROD
STAGE 1
LINK TIE ROD NUT
LINK
BOLT ROD END
NUT
VSV TRANSMITTER ROD END
HORIZONTAL
B
SPLIT-LINE
VSV TRANSMITTER
BOLT COMPRESSOR CASE
NUT FORWARD FLANGE
STATIONARY END
NO. 5 BOLT C
STATIONARY END
NO. 8 BOLT
BRACKET SEE C
A
VIEW IN THE FORWARD DIRECTIONG-M56-SM-2145-(1)-00-B
VSV Position Transmitter and Indicator Installation Figure 502 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
INSULATED
VSV CABLE
HORIZONTAL
FLANGE
6 O'CLOCK
STRUT
BULKHEAD
FLEXIBLE SEAL
TAPE
(REF)
INSULATED
VSV CABLE
LEFT THRUST
REVERSER HALF
NO. 3 LATCH SLOT
D
VSV Position Transmitter and Indicator Installation
Figure 502 (Sheet 3)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)
AIRPLANES WITHOUT THE EIS SYSTEM; For engine No. 2, open this circuit breaker and attach DO-NOT-CLOSE tag: 1) P6 Load Control Center
a) N2 TACH IND
(c)
AIRPLANES WITH THE EIS SYSTEM; For engine No. 1, open these circuit breakers and attach DO-NOT-CLOSE tags: 1) P6 Load Control Center
a) EIS PRI2
b) EIS PRI4
(d)
AIRPLANES WITH THE EIS SYSTEM; For engine No. 2, open these circuit breakers and attach DO-NOT-CLOSE tags: 1) P6 Load Control Center
a) EIS PRI2
b) EIS PRI4
(e)
Attach the electrical cable for the VSV to the connector on the VSV position transmitter.
CAUTION: MAKE SURE THE CABLE IS CLEAR OF THE RIGHT FAN COWL AND
_______ THRUST REVERSER HALF. IF THE CABLE IS NOT CLEAR OF THE RIGHT FAN COWL AND THRUST REVERSER HALF WHEN YOU CLOSE THEM, DAMAGE TO THE CABLE CAN OCCUR.
(f)
Install the cable along the wire bundle and attach it with tape along the left fan cowl and thrust reverser. 1) Let the cable go out through the No. 3 latch slot. 2) Safety the cable where it is necessary.
(g)
Attach the extension cable (non-insulated) to the cable of the VSV transmitter.
(h)
Disconnect the N2 indicator plug D552 from the aft side of the control alternator at the 9:00 o'clock position on the AGB forward face.
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