S 438-032-N00
(16)
If it is necessary, install a new blade platform seal (AMM 72-31-02/801).
S 228-033-N00
(17)
Measure the depth of cut made in the leading edge.
S 228-034-N00
(18)
Use the vibropeen marking method to record the depth of cut on the blade platform.
S 428-035-N00
(19)
Install all fan blade assemblies (AMM 72-31-02/401).
(20)
Install the inlet cone (AMM 72-31-01/401).
S 438-036-N00
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FAN EXIT FAIRING - REMOVAL/INSTALLATION
_______________________________________
1. General
_______
A. This procedure gives the steps to remove and install the fan exit fairing.
B. You will find the fan exit fairing on the forward half of the low pressure compressor (LPC) stator assembly.
C. You must go into the inlet cowl and remove all the 1st-stage fan blades to get access to the fan exit fairing.
TASK 72-31-03-004-001-N00
2. Remove the Fan Exit Fairing
___________________________
A. Special Tools and Equipment
(1)
PWA 85685 - Puller-Knocker, Pratt & Whitney, Commercial Products Division, 400 Main Street, East Hartford, CT 06108
B.
Standard Tools and Equipment
(1)
Mat - Protective, Rubber Manufacturer's Association, Grade SC43, neoprene sponge, 1 inch thick, 5 x 6 feet with warning streamers attached (three required)
C.
References
(1)
AMM 72-31-02/401, 1st-Stage (Fan) Blade
(2)
IPC 72-31-03 Fig. 1
D.
Access
(1)
Location Zone
412 Engine No. 1
422 Engine No. 2
432 Engine No. 3
442 Engine No. 4
E.
Procedure
(1)
Remove all of the 1st-stage fan blades (AMM 72-31-02/401).
S 494-003-N00
(2)
Put the mats on the inner diameter of the fan case at the 6 o'clock position for protection of the rubstrip.
S 014-002-N00
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
FAN EXIT FAIRING
SCREW (36 LOCATIONS)
PWA 85685 KNOCKER PULLER
____NOTE: INLET COWL NOT SHOWN. A
L-A3503
Fan Exit Fairing Installation
Figure 401
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S 024-013-N00
(3)
Do these steps to remove to fan exit fairing (Fig. 401):
(a)
Remove the 36 screws that attach the fan exit fairing (splitter) to the fan exit case and vane assembly.
(b)
Put the small tooth side of the puller in one of the nine slots on the outer diameter of the fairing.
(c)
Remove the fairing until you can use the opposite side of the puller jaw to complete the removal of the fairing.
TASK 72-31-03-404-007-N00
3. Install the Fan Exit Fairing
____________________________
A. Standard Tools and Equipment
(1)
Mat - Protective, Rubber Manufacturer's Association, Grade SC43, neoprene sponge, 1 inch thick, 5 x 6 feet with warning streamers attached (three required)
B.
Consumable Materials
(1) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 发动机 ENGINE 1(171)
