(b)
the screws (35) and the washers (36).
S 022-028
(2)
Remove the solenoid valve (21) and the gasket plate (34).
J.
RRCA Electro-Hydraulic Servo Valve (EHSV) - Removal (Fig. 201)
S 032-029
(1)
Remove the lockwire from the screws (23).
S 022-030
(2)
Remove the screws (23) and the washers (24).
S 022-031
(3)
Remove the EHSV (22) and the gasket plate (25) from the RRCA.
TASK 27-21-13-402-032
2. Install the Rudder Ratio Changer Actuator (RRCA) or its Parts_____________________________________________________________
A. General
(1) This task contains these procedures:
-Rudder Ratio Changer Actuator (RRCA) - Installation
-
RRCA Filter - Installation
-
RRCA Screen - Installation
-
RRCA Solienoid Valve - Installation
-
RRCA Electro-Hydraulic Servo Valve (EHSV) - Installation.
Because this task contains more than one procedure, do only the applicable group of steps.
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MAINTENANCE MANUAL
(2)
To start one of these procedures, do the group of steps that are necessary to install the component. Then, do the "Rudder Ratio Changer Actuator (RRCA) - Test" group of steps. And last, do the "Put the Airplane Back to Its Usual Condition" group of steps.
B.
Equipment
(1)
Rig Pins from Set B20003-XX (Ref 20-10-24):
(a)
R3 - P/N B20003-16
(b)
R5 - P/N B20003-17
(c)
R6 - P/N B20003-17
(d)
R9 - P/N B20003-54
C.
Consumable Materials
(1)
D00153 Fluid, Hydraulic - BMS 3-11
(2)
A00247 Sealant - BMS 5-26, Type II, Class A or B
(3)
D00054 Lubricant - MCS-352
D.
Parts
~.......................................................................... | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ............................................................................ | 201 | 2 |Bolt | 27-21-12 | 01 | 5 | | | 3 |Bushing | | | 90 | | | 4 |Washer | | | 30 | | | 5 |Nut | | | 60 | | | 11 |Bolt | | | 15 | | | 12 |Nut | | | 75 | | | 16 |Packing | | | 440 | | | 17 |Union | | | 435 | | | 20 |Screen | | | 441 | 2.......….......…...............................…...........….....…........1
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~.......................................................................... | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ............................................................................ | 201 | 21 |Solenoid Valve | 27-21-12 | 01 | 450 | | | 22 |EHSV | | | 485 | | | 23 |Screw | | | 490 | | | 24 |Washer | | | 495 | | | 25 |Gasket Plate | | | 500 | | | 27 |Backup Ring | | | 425 | | | 28 |Packing | | | 430 | | | 29 |Filter | | | 420 | | | 30 |Backup Rings | | | 410 | | | 31 |Cap | | | 405 | | | 32 |Packing | | | 415 | | | 34 |Gasket Plate | | | 465 | | | 35 |Screw | | | 455 | | | 36 |Washer | | | 460 | | | 37 |Ratio Changer Actuator | | | 400 | | | 38 |Washer | | | 33 | 2.......….......…...............................…...........…......….......1
E. References
(1)
06-42-00/201, Empennage Access Doors and Panels
(2)
20-10-24/201, Rigging Pins
(3)
24-22-00/201, Electrical Power - Control
(4)
27-21-00/501, Rudder and Rudder Trim Control System
(5)
27-21-12/201, Rudder Ratio Changer Mechanism
(6) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 2(65)
