75-32-04
ALL ú ú N02 Page 403 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
2.9 Bleed Valve Solenoid Installation
Figure 401 (Sheet 1)
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75-32-04
ALL ú ú N04 Page 404 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
STABILITY BLEED
PNEUMATIC RELAY
VALVE
BOLT
GASKET (2 LOCATIONS) 2.9 BLEED
PLUG SOLENOID VALVE SOLENOIDS
EEC
ELECTRICAL
CONNECTOR
GASKET CLAMP, NUT, ANDADAPTER BOLT
15TH-STAGE AIR SUPPLY TUBE
15TH-STAGE LONG
AIR SUPPLY BOLT
MANIFOLD TEE GASKET CLAMPS,
ADAPTER SUPPORT BOLT, NUT,
START BLEED BRACKET
ADAPTER AND SPACERVALVE SIGNAL TUBE
GASKET EEC STABILITY BLEED ELECTRICAL CAP VALVE SIGNAL ADAPTER
CONNECTOR TUBE
SERVO BOLT
PRESSURE (2 LOCATIONS)TUBE
MUST ALIGN
CLAMP, NUT, AND BOLT
B
2.9 Bleed Valve Solenoid Installation
Figure 401 (Sheet 2)
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ALL ú ú N02 Page 405 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
3) Remove the servo pressure tube from the engine. 4) Install the protection caps on the openings of the servo pressure tube and adapter.
(k)
Remove the four bolts which attach the solenoid and the support bracket to the mount bracket on the intermediate case.
(l)
Remove the solenoid from the engine.
(m)
Install the protection caps to the openings of the air supply manifold and the signal tube.
S 024-064-N00
(2)
If it is necessary to replace the solenoid, do the steps that follow:
(a)
Put the 2.9 bleed valve on a work bench where the adapter cap points to you and the solenoids point to the right of you.
(b)
Remove the two adapters, plug, and gaskets from the aft end of the solenoid.
(c)
Remove the cap from the adapter.
(d)
Remove the two adapters and gaskets from the top of the solenoid.
(e)
Install the protection caps to all openings on the solenoid.
TASK 75-32-04-404-017-N00
3. Install the 2.9 Bleed Valve Solenoid (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)
D00390 Oil - Engine
(2)
G00964 Compound - Antigalling, Fel-Pro C-200
(3)
G02334 Lockwire - AS3214-02
(4)
G02332 Ferrule - P05-292 (Optional)
(5)
G02335 Cable - Safety - P05-291 (Optional)
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ALL ú ú N03 Page 406 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C. References
(1)
AMM 70-23-00/201, Tightening Techniques and Torque Valves
(2)
AMM 70-24-05/201, Electrical Harnesses
(3)
AMM 71-00-00/501, Power Plant
(4)
AMM 71-11-04/201, Fan Cowl Panels
(5)
AMM 71-11-06/201, Core Cowl Panels
(6)
AMM 72-34-03/401, Fan Exit Liner Segment
(7)
AMM 78-31-00/201, Thrust Reverser System
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