2..........................…..................................…................1
*[1] You can use the go/no-go gage to do a check on the small tip nozzles. The instructions to make the go/no-go gage is shown on the Fig. 602.
If damage occured through the fuel passage, borescope examine the combustor and HPT nozzles 30 degrees clockwise and couterclockwise from the damage.
*[2] If inlet strainer looks clogged, carefully remove the inlet strainer with a small pick. Clean or replace the inlet strainer.
Clean the inlet strainer by hand with clean fuel or solvent and blow out contamination with air (15 to 25 psi (100-170 Kpal)).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
MANIFOLD SLEEVE CONNECTION THREADS
SEE B
SEE A
INLET STRAINER LOCATION
STRAP
3
FUEL INLET
CONNECTION
THREADS
FLOW DIVIDER A A VALVE
SURFACE D
AREA C 0.26-0.32 INCH (6.6-8.1 MM) NOZZLE TUBE
1 2
LARGE
SMALL NOZZLE TIP NOZZLE TIP
SURFACE D A
1.38 INCH DIA
(35.05 MM) TANGENT1/3AREA E
AREA FPOINT 0.14-0.16 INCH
2/3 (3.6-4.1 MM)
A-A
SEATING
1
AREA G AREA H
NOZZLE WITH LARGE NOZZLE TIP
0.03 INCH SURFACE
2
NOZZLE WITH SMALL NOZZLE TIP (0.08 MM)
3 INLET STRAINER INSTALLED ONLY
B
IN PARKER-HANNIFIN FUEL NOZZLES
Fuel Nozzle Inspection Areas
Figure 601
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
1.0 |0.01 INCH
(25.4 |0.25 MM)
0.125 |0.01 INCH (3.175 |0.25 MM)
METAL STAMP BOTH SIDES
0.010 -0.020 INCH (0.0254 -0.508 MM)
MANUFACTURE LOCALLY FROM STAINLESS STEEL
Fuel Nozzle Tip Wear Gage 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 發動機燃油和控制(55)
