S 014-057
(5)
PASSENGER AIRPLANES; Open the forward left ceiling panel in the main deck to get access to the rudder forward quadrant (AMM 25-22-01/401).
S 014-058
(6)
FREIGHTER AIRPLANES; Open the forward left ceiling panel in the main deck to get access to the rudder forward quadrant (AMM 25-59-01/401).
S 494-008
(7)
Install the rig pin R-3 in the rudder pedal assembly.
S 024-009
(8)
Remove the feel, centering and trim mechanism (4):
(a)
Loosen the nuts (24) on the eyebolts (21) until there is no tension on the springs (16) and (17).
(b)
Remove the bolt (40), washers (41, 42 and 43) and nut (44) to disconnect the rudder trim actuator (2) from the crank assembly (3).
(c)
Remove the bolt (18), washer (19) and nut to disconnect the control rod (1) from the output crank (28).
(d)
Remove the bolt (18), washer (19) and nut to disconnect the control rod (25) from the output crank (28).
(e)
Remove the bolt (10) washers (11 and 13) and nuts (12 and 14) to disconnect the output control rod (15) from the output crank (28).
(f)
Disconnect the input control rod (6) from the rudder aft quadrant (5).
(g)
Remove the inner nut (38) and the outer nut (37) from the shaft that holds the crank assembly (3) to the support structure.
(h)
Hold the feel, centering and trim mechanism (4) and remove the bolt (30).
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747-400 MAINTENANCE MANUAL
(i) Move the feel, centering and trim mechanism (4) aft to disengage it from the support bracket.
TASK 27-21-11-404-010
3. Rudder Feel, Centering and Trim Mechanism Installation (Fig. 401)______________________________________________________
A. Special Tools and Equipment
(1)
G12001-50, Rig Pin Kit
B.
Standard Tools and Equipment
(1)
Spring Scale, 0-20 pounds
C.
Consumable Materials
(1)
D00633 Grease - BMS 3-33 (Preffered).
(2)
D00013 Grease - MIL-G-23827 (Optional).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL
D. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 4 | Mechanism - Rudder Feel, Centering| 27-21-11 | 5 | 1 | | | | and Trim | | | | | | 7 | Bolt | | | 80 | | | 8 | Washer | | | 85 | | | 9 | Nut | | | 90 | | | 10 | Bolt | | | 110 | | | 11 | Washer | | | 115 | | | 12 | Nut | | | 125 | | | 13 | Washer | | | 115 | | | 14 | Nut | | | 130 | | | 16 | Spring - Tension | 27-21-11 | 2 | 45 | | | 17 | Spring - Tension | | | 35 | | | 18 | Bolt | 27-21-52 | 1 | 10 | | | 19 | Washer | | | 20 | | | 20 | Nut | | | 25 | | | 21 | Eyebolt | 27-21-11 | 2 | 5 | | | 22 | Bushing | | | 10 | | | 23 | Spring - Compression | | | 30 | | | 24 | Nut | | | 25 | | | 26 | Retainer | | | 20 | | | 27 | Retainer | | |15,40 | | | 30 | Bolt | | | 50 | | | 31 | Spacer | | | 55 | | | 32 | Washer | | | 52 | | | 35 | Washer | | | 52 | | | 36 | Nut | | | 54 | | | 37 | Nut | 27-21-11 | 5 | 495 | | | 38 | Nut | | | 500 | | | 39 | Washer | | | 505 | | | 40 | Bolt | | | 370 | | | 41 | Washer | | | 380 | | | 42 | Washer | | | 377 | | | 43 | Nut | | | 387 | | | 44 | Nut | | | 392 | | | | | | | | 2......…........…...................................…...........….....…........1
E. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 12-21-17/301, Rudder and Rudder Trim Control System
(3)
AMM 24-22-00/201, Manual Control
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