B.  References
 (1)  
AMM 72-31-01/401, Inlet Cone

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

 (3)  
AMM 72-33-04/401, Fan Exit Rear Case Assembly

 C.  Access
 (1)  Location Zones
 506 - Engine No.1
 606 - Engine No.2

 D.  Procedure (Fig. 401)
 S 864-002-C00
 (1)  Open this circuit breaker and attach DO-NOT-CLOSE tag:
 (a)  P6-2 Load Control Center
 1) ENGINE START VALVE

 S 024-003-C00
 (2)
Remove the spinner front and rear cones (AMM 72-31-01/401).

 S 024-004-C00

 (3)  
Remove all fan blades (AMM 72-31-02/401).

 (4)  
Remove the splitter fairing (AMM 72-33-04/401).

 S 024-006-C00

 (5)  
Remove the 24 bolts and nuts that attach the vane assembly of the 1st-stage to the vane assembly of the 2nd-stage.

 S 024-005-C00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

GUIDE PIN

S-M56-MM-02040-00-C
1st-Stage Booster Stator Vane Assembly Installation Figure 401
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 024-007-C00
 (6)  Disconnect the 1st-stage vane assembly from 2nd-stage vane assembly as follows:
 (a)  Use the jackscrews, P13, on the 6 equally spaced threaded holes on the rear flange of 1st-stage vane assembly.
 TASK 72-31-03-404-008-C00
 3.  Install 1st-Stage Booster Vane Assembly_______________________________________
 A. Equipment
 (1)  
Tool Set - Jackscrews, 856A1130G01,
 CFM International, P.O. Box 15514,
 Cincinnati, OH 45215

 (2)  
Guide Pins - 1st- and 2nd-Stage Booster Vane
 Assembly Outer Shrouds, 856A3621G01,
 CFM International

 (3)  
Heat Gun - 1400-1600 watt, local purchase

 B. Consumable Materials
 (1)  
Methyl Ethyl Ketone, CP1040

 (2)  
Grease - Graphite, CP2101

 C. References
 (1)  
AMM 20-10-27/201, Heat Guns, Soldering Guns and Soldering Irons

 (2)  
AMM 72-31-01/401, Inlet Cone

 (3)  
AMM 72-31-02/401, Fan Rotor Blades

 (4)  
AMM 72-33-04/401, Fan Exit Rear Case Assembly

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

 E. Procedure
 S 494-009-C00
 (1)  Install the three guide pins equally spaced on 2nd-stage vane assembly.
 S 114-021-C00
 WARNING:  DO NOT GET METHYL ETHYL KETONE (MEK) IN YOUR MOUTH, OR EYES, OR
_______ ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM MEK. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE MEK. KEEP MEK AWAY FROM SPARKS, FLAME, AND HEAT. MEK IS A POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  Clean the mating faces of the lst-stage and 2nd-stage vanes assemblies with solvent.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 72-31-03
 ALL  ú ú C01 Page 403 ú Mar 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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