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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SPLITTER FAIRING - REMOVAL/INSTALLATION
_______________________________________
 1.  General
_______
 A.  This procedure has two tasks, to remove and install the splitter fairing. The splitter fairing is located at the interface of the secondary and primary airflows on the fan frame inner hub. The splitter fairing is an unbroken ring,
 B.  To replace the splitter fairing, you must do the steps that follow:
 -
remove the fan blade set

 -
remove the fairing

 -heat the fairing with a heat gun
 -
install the fairing

 -
install the fan blde set.

 TASK 72-33-04-004-001-C00
 2.  Remove the Splitter Fairing
___________________________
 A.  References
 (1)  AMM 72-31-02/401, Fan Rotor Blades
 B.  Access
 (1)  Location Zones
 506 Engine No. 1 - Fan Frame
 606 Engine No. 2 - Fan Frame

 C.  Procedure (Fig. 401)
 S 014-002-C00
 (1)  
Remove all of the fan rotor blades (AMM 72-31-02/401).

 S 034-003-C00

 (2)  
Remove the screws that attach the fairing to the forward edge of the fan OGV inner shroud.

 S 024-004-C00

 (3)  
Remove the splitter fairing.

 NOTE: It can be necessary to use a soft drift to loosen the fairing
____
 from the inner shroud.

 TASK 72-33-04-404-005-C00
 3.  Install the Splitter Fairing
____________________________
 A.  Equipment
 (1)  Heat Gun - 1400-1600 watt
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 72-33-04
 ALL  ú ú C01 Page 401 ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE  A 
SCREWS (18 PLACES) 
FAN BLADES  FAN OUTLET GUIDE VANES INNER SHROUD 
1ST-STAGE STATOR VANES 
SPLITTER FAIRING 

A
S-M56-PC-0487-(01)-00-B Splitter Fairing InstallationFigure 401
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 72-33-04
 ALL  ú ú C01 Page 402 ú Oct 25/84
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
B. Consumable Materials
 (1)  Graphite grease - CP2101 (AMM 70-10-01/201)
 C. References
 (1)  
AMM 20-10-27/201, Heat Guns

 (2)  
AMM 72-31-02/401, Fan Rotor Blades

 D. Access
 (1)  Location Zones
 506 Engine No. 1 - Fan Frame
 606 Engine No. 2 - Fan Frame

 E. Procedure (Fig. 401)
 S 884-006-C00
 (1)  Make the forward flange of the splitter fairing hot with a heat gun (Ref 20-10-27/201) to approximately 140°F (60°C).
 S 424-011-C00
 WARNING:_______WEAR THERMAL INSULATED GLOVES WHEN YOU TOUCH HEATED PARTS. YOU MUST PREVENT INJURY TO YOUR HANDS.
 (2)  Put the splitter fairing on the forward edge of the shrouds and align the offset holes.
 NOTE: It can be necessary to use a soft drift to adjust the fairing
____
 on the shrouds.

 S 644-008-C00
 (3)  
Lightly lubricate the screw threads with graphite grease.

 S 434-009-C00

 (4)  
Install the screws (18 places) and tighten to 40-45 pound-inches (4.5-5.0 N.m).

 (5)  
Install the fan rotor blades (AMM 72-31-02/401).

 S 414-010-C00
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 72-33-04
 ALL  ú ú C01 Page 403 ú Jul 15/96
　
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