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75-31-02
ALL ú ú N02 Page 405 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(h)
ENGINES POST-PW-SB 72-498; Remove the cotter pin (23), nut (24), bolt (25) and washer (24A), and bearing stop (27) from the two sides of the support bracket for the actuator (7). 1) Discard the cotter pin (23).
(i)
Use the PWA 85688 Jackscrew Puller to remove the bearing pins (26) from the two sides of the support bracket with the steps that follow: 1) Install the jackscrew into the I.D. of the bearing pin
(26).
a) Tighten the jackscrew with your hand. 2) Install the puller sleeve on the jackscrew. 3) Install the puller into the puller sleeve and to the
jackscrew.
NOTE: If it is necessary, use an allen wrench to hold the
____ jackscrew in the correct position while you turn the puller.
a) Tighten the puller with your hand. 4) While you hold the jackscrew with an allen wrench, turn the puller with a 0.180 inch diameter punch. 5) Turn the puller until you remove the bearing pin (26).
(j)
Remove the actuator (7) from the engine.
(k)
Install the protection caps on the openings of the actuator (7).
S 024-061-N00
(2)
If it is necessary to replace the actuator (7), you must do the steps that follow:
(a)
Remove the adapters (9 and 12) and union (14) from the actuator (7). 1) Discard the packings (8, 15, and 16). 2) Install the protection caps on the actuator ports.
(b)
Remove the seal (21), rod end bearing (5), key washer (6), and nut (22) from the actuator rod. 1) Discard the key washer and seal.
TASK 75-31-02-404-020-N00
3. Install the Variable Stator Vane Actuator (Fig. 401)
_________________________________________
A. Equipment
(1) M303, M305, or M307 Bergen Mechanical Crimper
Bergen Cable Technologies Inc
170 Gregg St
P.O.
Box 1300
Lodi, NJ 07644-9982
B.
Consumable Materials
(1) A00628 Compound, Antiseize - PWA36053-4
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
75-31-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(2)
D00059 G-N Metal Assembly Paste, Lubricant - PWA587
(3)
D00390 Oil - Engine
(4)
D00250 Petrolatum White, VV-P-236
(5)
G00964 Compound - Antigalling, Fel-Pro C-200
(6)
G02334 Lockwire - AS3214-02
(7)
G02332 Ferrule - P05-292 (Optional)
(8)
G02335 Cable - Safety - P05-291 (Optional)
C.
Parts
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 7 | Variable Stator Vane Actuator | 75-31-02 | 05 | 120 | | | 8 | Packing | | | 25 | | | 15 | Packing | 71-71-01 | 01 | 565 | | | 16 | Packing | 75-31-02 | 05 | 20 | | | 21 | Seal | | | 110 | 2.....….........…...................................…..........…......…........1
D. References
(1)
AMM 70-23-00/201, Tightening Techniques and Torque Values
(2)
AMM 70-24-05/201, Electrical Harnesses
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 71-11-06/201, Core Cowl Panels
(5)
AMM 75-31-00/501, Compressor Stator Vane Control System
(6)
AMM 78-31-00/201, Thrust Reverser System
E.
Access
(1)
Location Zone
412 Engine 1 - HPC Fwd Case 3:30 o'clock
422 Engine 2 - HPC Fwd Case 3:30 o'clock
432 Engine 3 - HPC Fwd Case 3:30 o'clock
442 Engine 4 - HPC Fwd Case 3:30 o'clock
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