_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
Subtask 29-22-51-010-064
C. Get Access
(1)
Open the access door 195BB.
(2)
Open the left main gear main door (Ref. TASK 32-12-00-010-001).
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(3)
Remove the access panel 147BB.
(4)
Remove the access panel 147CB.
(5)
Extend the Ram Air Turbine (RAT) (Ref. TASK 29-22-00-869-005).
(6)
Put the protective covers over the turbine blades. Subtask 29-22-51-865-094
D.
Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU HYD/RAT/CTL 2801GE D14 106VU CSM/G /EV/MAN/SPLY 6XE B04 121VU HYDRAULIC/RAT/SPLY/EXTN/SOL1 2803GE P33
4. Procedure
_________ (Ref. Fig. 404/TASK 29-22-51-991-024) Subtask 29-22-51-020-061
A. Removal of the Ram Air Turbine CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
(1)
Loosen the screws (5) from the quick-release fasteners (6).
(2)
Remove the screw (97) from the protective cover (4).
(Ref. Fig. 404/TASK 29-22-51-991-024)
(3)
Remove the protective cover (4) from the RAT compartment (96).
(4)
Disconnect the electrical connectors (2) and (53) from the receptacles (3) and (52).
(5)
Disconnect the electrical connectors (98), (99), (100) and (101) from the ejection jack (10).
(6)
Put blanking caps on the disconnected electrical connectors.
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(7)
Remove the screw (95), the washer (94) and the bonding lead (93) from the ejection jack (10).
(8)
Remove the screws (41), the washers (42), the P-clips (43) and the
spacers (44) that attach the cable (40) in the RAT stowage
compartment.
(9)
Remove the screw (46), the washer (47) and the bonding strap (48)
from the leg assembly (11).
(10)
Remove and discard the cotter pins (12) and (16).
(11)
Remove the nut (17), the bolt (26), the washers (25), (18) and the bushes (19), (24) from the door link (22) and the distance fork (23).
(12)
Remove the door link (22) from the distance fork (23).
(13)
Remove the distance fork (23) and the washer (90).
(14)
Hold the RAT door 195CB.
(15)
Remove the nut (13) and the bolt (27) with the washers (28), (14) and the bush (15) from the door link (31) and the swivel pin (29).
(16)
Remove the door link (31) from the swivel pin (29).
(17)
Remove the flanged bush (30) from the swivel pin (29).
(18)
Remove the swivel pin (29).
(19)
Hold the RAT door 196CB.
(20)
Remove the nut (33) and the washers (32) from the bolt (21).
(21)
Remove the bolt (21) with the washer (20) from the piston rod eye-end
(34) and the leg assembly (11).
(22)
Remove the ejection jack (10) from the leg assembly (11) and hold it.
(23)
Put a container below the hydraulic connections to collect the unwanted hydraulic fluid.
(24)
Remove and discard the tyrap (86).
(25)
Disconnect the hose (85) from the leakage drain line (87).
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Ram Air Turbine
Figure 404/TASK 29-22-51-991-024- 13 (SHEET 1)
R 1EFF : 062-099, 106-149, 151-199, 204-299, 1 29-22-51Page 422 1301-399, 401-499, 1Config-1 Aug 01/05 1 1 1CES 1 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM HYDRAULIC POWER 液压6(12)
