COOLING AIR TUBES
SECTOR RING
BOLT, NUT AND TWO WASHERS (2 LOCATIONS)
SCREW, NUT AND WASHER
COVER PLATE HEAT SHIELD
COOLING AIR MANIFOLD A Angle Bracket and Heat Shield Replacement Figure 802
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
E. Install the 4th-Stage LPT Blade in a Different Location (Fig. 801)
S 018-033-C00
(1) Open the left and right fan cowl panel (AMM 71-11-02/201).
S 018-034-C00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS OR DAMAGE TO THE EQUIPMENT CAN OCCUR.
(2)
Open the left and right thrust reverser (AMM 78-31-00/201).
S 018-002-C00
(3)
Remove the turbine exhaust sleeve (AMM 78-11-01/401).
S 218-003-C00
(4)
Examine the abradable (honeycomb) material on the 4th-stage LPT for damage (AMM 72-00-00/601).
S 828-004-C00
CAUTION: YOU MUST DO THIS REPAIR CAREFULLY TO PREVENT THE PERMANENT
_______ DEFORMATION OF THE BLADES. DO NOT USE METAL TOOLS ON THE BLADES, DAMAGE TO THE BLADES CAN OCCUR.
(5) Carefully apply a circumferential force with your hand to the airfoil surfaces of the shingled blades to move them apart.
NOTE: If your hand force is not sufficient, you can push the
____ shingled blade into its position with a piece of non-metallic material.
S 228-005-C00
(6)
Make sure the circumferential clearances between the blade
interlocks are equally applied around the circumference.
S 218-006-C00
(7)
Make sure the rotor turns freely.
(a) If the rotor does not turn freely, replace the engine (Ref 71-00-02/401).
(8)
Install the turbine exhaust sleeve (AMM 78-11-01/401).
S 418-007-C00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
S 418-035-C00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSER. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(9)
Close the left and right thrust reverser (AMM 78-31-00/201).
S 418-036-C00
(10)
Close the left and right fan cowl panels (AMM 71-11-02/201).
TASK 72-54-00-968-008-C00
3. Broken Angle Bracket for the Aft Flange Replacement___________________________________________________
A. General
(1)
To replace an angled bracket, you must grind off the head of the rivet that attaches the bracket to the aft flange.
(2)
The rivet must be replaced at the next maintenance inspection.
(3)
For this procedure the LPT cooling air manifold will be referred to as the manifold.
(4)
For this procedure the LPT cooling tube supports will be referred to as the supports.
B. Equipment
(1) Grinder - Hand held portable, locally available
C. References
(1)
71-11-02/201, Fan Cowl Panel
(2)
78-31-00/201, Thrust Reverser System
D. Access
(1)
Location Zones
502/602 Left Fan Cowl Panels
503/603 Right Fan Cowl Panels
504/604 Left Thrust Reversers
505/605 Right Thrust Reversers
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