(2)
Rig Pin - Variable Stator Vane (2 required), 856A1221, CFM International
(3)
Thermometer - locally available.
B. Consumable Materials
(1)
D00004 Grease - Graphite (CP2101) (AMM
70-10-01/201)
(2)
A00081 Sealant - RTV 106 (CP2267) (AMM
70-10-01/201)
C. References
(1)
AMM 71-00-00/501, Power Plant
(2)
AMM 75-31-00/201, Variable Stator Vane Actuation System
(3)
AMM 78-31-00/201, Thrust Reverser
D. Access
(1) Location Zones
506 Engine No. 1 - Fan Frame
606 Engine No. 2 - Fan Frame
E. Procedure (Fig. 501)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CONNECTING SEE C
LINK CLEVIS
SEE A
HPC FORWARD
STATOR CASE
NUT
(4 LOCATIONS)
STAGE 3 STAGE 3
TIE ROD TIE ROD
STAGE 2
D-HEAD BOLT TIE ROD
(4 LOCATIONS) TIE ROD STAGE 1 2 3
KEY LOCK
IGV TIE ROD
SEE B
VSV
BELLCRANK
CLEVIS
ASSEMBLY
JAMNUT
HEX VSV ACTUATOR
ROD
FWD ROD END TO
RIG PIN JAMNUT THE CONNECTING
HOLE (2 LOCATIONS) LINK CLEVIS
G-M56-MM-0138(1)-00-B(M) TIE ROD
A1
ROD END TO THE BELLCRANK1 LEFT SIDE BELLCRANK/ACTUATOR ASSEMBLY ASSEMBLYSHOWN, RIGHT SIDE EQUIVALENT
2 ENGINES WITH THE STAGE 3 TIE RODS WITH ONE ADJUSTABLE ROD END BEARING
3 ENGINES WITH THE STAGE 3 TIE RODS WITH TWO
B
ADJUSTABLE ROD END BEARINGS
Variable Stator Vane (VSV) Stage-to-Stage Rigging Adjustment Figure 501 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
SCREWDRIVER
HPC FORWARD STATOR CASE
PIN RIG PLATE
FWD POST
G-M56-SM-1667-(1)-00-C(M)
RIG PLATE PROTRACTOR KIT INSTALLATION C
QUADRANT QUADRANT
4 1
VIEW HORIZONTAL SPLIT
LINE TO THE HPC
FORWARD STATOR CASE
QUADRANT QUADRANT
3 2
G-M56-SM-1664-(1)-00-C (VIEW IN THE FORWARD DIRECTION)Variable Stator Vane (VSV) Stage-to-Stage Rigging Adjustment Figure 501 (Sheet 2)
QUADRANT LOCATIONS
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 015-048-C00
(1)
Open the fan cowl panel (AMM 71-11-02/201). S 015-049-C00
EQUIPMENT CAN OCCUR.
(2)
Open the thrust reverser halves (AMM 78-31-00/201).
S 825-098-C00
(3)
Make sure the VSV actuators to the bellcrank assemblies are adjusted correctly as follows:
WARNING:_______ OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS WHEN YOU OPEN
THE THRUST REVERSERS, INJURIES TO PERSONS OR DAMAGE TO
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