UPPER RUDDER POWER CONTROL MODULE B
5. POWER CONTROL MODULE FOR THE LOWER RUDDER
11. WASHER
31.
ELECTRO-HYDRAULIC
32.
BOLT
SERVO VALVE (2 LOCATIONS)
13. BUSHING
15.
BACKUP RING
16.
FILTER
17.
BACKUP RING
18.
O-RING
17. BACKUP RING
19. FILTER
26. O-RING CAP
24.
BACKUP RING
25.
O-RING 20. FILTER
CAP
23.
FILTER
24.
BACKUP RING
21.
BACKUP RING
22.
O-RING 21. BACKUP RING
LOWER RUDDER POWER CONTROL MODULE C
Upper and Lower Rudder Power Control Module Figure 201 (Sheet 2)
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27-21-17
ALL ú ú 01 Page 205 ú Jun 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(d)
If you remove the lower rudder PCM (5), disconnect the jumper (33) from the lower rudder PCM (5).
(e)
Hold the rudder PCM.
(f)
Remove the two bolts (12 or 32).
(g)
Remove the rudder PCM (3 or 5).
1) Move the PCM aft until it is clear of the structure, and then through the access opening on the left side.
TASK 27-21-17-402-016
3. Rudder Power Control Module Installation (Fig. 201)________________________________________
A. Special Tools and Equipment
(1)
3ME65B81000-1 Rudder Clamp
B.
Consumable Materials
(1)
D00015 Grease - BMS 3-24
(2)
D00054 Lube, Skydrol Assembly - MCS 352
C. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 201 | 3 | Module, Upper | 27-21-15 | 02 | 290 | | | 5 | Module, Lower | 27-21-16 | 02 | 305 | | | 11 | Washer | | | 285 | | | 12 | Bolt | 27-21-15 | 02 | 285 | | | 27 | Bolt | 27-21-16 | 02 | 65 | | | 28 | Washer | | | 70 | | | 29 | Washer | | | 75 | | | 30 | Nut | | | 80 | | | 32 | Bolt | 27-21-16 | 02 | 300 | | | 33 | Jumper | 27-21-16 | 02 | 25 | | | | | | | | 2......…........…...................................…...........….....…........1
D. References
(1)
06-09-06/201, Stabilizer and Elevator Access Doors and Panels
(2)
06-09-07/201, Fin and Rudder Access Doors and Panels
(3)
09-11-00/201, Towing
(4)
12-12-01/301, Hydraulic Systems
(5)
22-21-00/501, Yaw Damper System
(6)
24-22-00/201, Manual Control
(7)
29-11-00/201, Main Hydraulic Supply System
E.
Access
(1)
Location Zone 315-316 Area Aft of Stabilizer Box 324 Vertical Fin, Rear Spar to Trailing Edge 325 Lower Rudder 326 Upper Rudder
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2)
Access Panel
315A Access Door
324DL, 324DR Inspection Access Panel
324FL, 324FR Inspection Access Panel
324UL, 324UR Inspection Access Panel
F.
Install the Rudder Power Control Module
S 422-017
(1)
Procedure
(a)
Align the bracket with the holes on the PCM.
(b)
Apply a layer of grease to the threads of the bolts (12 or 32).
(c)
Install the bolts (12 or 32) with the washers (11).
1) Tighten the bolts (12 or 32) to 40-50 pound-inches plus the run-on torque.
(d) 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 2(153)
