71-11-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////

|0.03 MAX MISMATCH
PRIMARY SLEEVE

FWD

NOTE:ALL DIMENSIONS ARE IN INCHESUNLESS SPECIFIED DIFFERENTLY.
Aerodynamic Smoothness for the Exhaust SectionFigure 205 (Sheet 3)
B82665
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú C01 Page 240 ú Mar 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
INLET COWL - REMOVAL/INSTALLATION
_________________________________
 1.  General_______
 A. This procedure contains four tasks as follows:
 (1)  
The removal of the inlet cowl with a boom and an "A" frame
 (preferred method)

 (2)  
The installation of the inlet cowl with a boom and an "A" frame

 (3)  
The removal of the inlet cowl with a nose cowl dolly (optional method)

 (4)  
The installation of the inlet cowl with a nose cowl dolly.

 B.
Inlet cowls are directly interchangeable between engine positions.

 TASK 71-11-01-004-001-C00
 2.  Remove the Inlet Cowl (Boom and "A" Frame - Preferred Method)_____________________________________________________________
 A. General
 (1)  
The removal and installation of the inlet cowl is done with a boom and an "A" frame.

 (a)  
The boom attaches to the forward strut mount fittings and the "A" frame attaches to the boom.

 (b)  
A fishpole hoist is used with an inlet cowl sling to let the cowl move in the vertical and longitudinal directions.

 (c)  
The boom has a pivot at the engine strut fitting and is held by the "A" frame, which includes rollers, to let the inlet cowl move radially.

 B.
Equipment

 (1)  
Boom Assembly - C71002-2,
 "A" Frame - C71002-78, and
 Tube Assembly - C71002-83

 NOTE: Boom assembly (C71002-2), "A" frame
____
 (C71002-78), and tube assembly
 (C71002-83) are part of Thrust Reverser
 and Cowling Handling Equipment (C71002).

 On earlier equipment assemblies, tube assembly (C71002-83) was part of the "A" frame (C71002-78).
 (2)  Engine Strut Attach Fittings - C71003-2 and -3,
 and Attach Pin Assembly - C71003-104

 NOTE: Engine strut attach fittings
____
 (C71003-2 and -3) and attach pin
 assembly (C71003-104) are part of
 Bootstrap Hoisting Equipment (C71003).

 (3)  
Inlet Cowl Sling - C71004

 (4)  
Fishpole Hoist - PF Industries Inc.
 9320 15th Avenue South
 Seattle, Washington 98108

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 ALL  ú ú C01 Page 401 ú Jul 15/95
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
C. References
 (1)  
AMM 54-32-01/401, Forward Fairings

 (2)  
AMM 71-11-02/401, Fan Cowl Panels

 D.
Access

 (1)  
Location Zone
 506 Engine No. 1 - Fan Frame
 606 Engine No. 2 - Fan Frame

 (2)  
Access Panel
 5746 Fan Cowl Panel (LH) - Engine No. 1
 5846 Fan Cowl Panel (LH) - Engine No. 2

 E.
Procedure

 S 024-002-C00
 (1)  Remove fan cowl panels (AMM 71-11-02/401).
 NOTE: If you use the fan cowl sling, do not remove the attach
____ fittings for the boom and engine strut after you complete the procedure to remove the fan cowl panel.
　
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