D. Do the Combustion Chamber or HPT Nozzle Guide Vanes Inspection
S 416-024-C00
(1)
If not already done, do the procedure to prepare the airplane for the inspection.
S 416-025-C00
(2)
Remove the borescope plugs found at the 6 (S14) and 10 (S15) o'clock positions immediately forward of the fuel manifold (Fig. 606, 606C).
S 216-026-C00
(3)
Do an inspection of the combustion chamber as follows:
(a) Put a rigid borescope (with a 90° right angle viewer and 60° field of vision) or a flexible borescope through a minimum of two ports.
NOTE: It is not recommended to use the port at the 3 o'clock
____ position. If it is used, you must first remove the fuel tube. After the inspection, you must also do a leak check.
(b)
If you see damage with the rigid borescope, you must remove all of the borescope plugs and the two spark igniters.
(c)
If you see damage with the flexible borescope, you should examine the combustion chamber fully.
S 986-027-C00
(4) Turn the borescope 360° and adjust it until you can examine these items:
(a)
The combustion chamber surfaces
(b)
The dome of the combustion chamber
(c)
The fuel nozzle
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72-00-00
ALL ú ú C01 Page 627 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
A
A
FLEXIBLE
BORESCOPE
FUEL
DRAIN TUBE MANIFOLD SEE D
COMBUSTION
CASE
SEE B
CONNECTOR VANE
AIR- OUTER
FUEL NOZZLE FOIL PLATFORM
MANIFOLD
HINGE BRACKET
GASKET SEE A INNER PLATFORM
RIGID
BORESCOPE AFT
COMBUSTOR SEAL
SWIRL CUP
BORESCOPE
PORT
SEE F
FWD
A-A
Combustion Chamber and High Pressure Turbine Nozzle Guide Vanes
Borescope Inspection
Figure 606 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 ENGINE 發動機 1(24)
