(2)
Put the warning notices in position to tell persons not to pressurize the Yellow hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Yellow hydraulic system.
(3)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Open the access door 198CB.
(6)
Open the access door 196BB.
(7)
Disconnect the isolation coupling of the power transfer unit (PTU) (Ref. TASK 29-23-00-860-001).
(8)
Put a container below the HP manifold of the Yellow hydraulic system to collect hydraulic fluid.
4. Procedure
_________
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 401/TASK 29-13-14-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-13-14-991-001-A)
**ON A/C 001-049, 051-058, 101-101,
Subtask 29-13-14-020-050
A. Removal of the HP Manifold 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)
Disconnect the electrical connectors (5),(41),(42),(43).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the nut (13), the bolt (10) and the washer (11) and disconnect the bonding jumper (12).
(4)
Loosen the pipe end-fitting (47) and disconnect the pipe (46) from the union (48).
(5)
Loosen the pipe end-fitting (45) and disconnect the other end of the pipe (46) from the tee connector (44). Remove the pipe (46).
HP Manifold
Figure 401/TASK 29-13-14-991-001
R 1EFF : 001-049, 051-058, 101-101, 1 29-13-14Page 404 1 1 May 01/05 1 1 1CES 1
HP Manifold Figure 401A/TASK 29-13-14-991-001-A
R 1EFF : 059-099, 102-149, 151-199, 201-299, 1 29-13-14Page 405 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1
(6)
Loosen the pipe end-fitting (30) and disconnect the pipe (29) from the union (31).
(7)
Loosen the pipe end-fitting (23) and disconnect the pipe (22) from the check valve 3022GM.
(8)
Loosen the pipe end-fitting (26) and disconnect the pipe (25) from the union (27).
(9)
Loosen the pipe end-fitting (2) and disconnect the tee connector (1) from the union (3).
(10)
Hold the manifold (17) and remove the five bolts (19) and the washers (20). Collect the five distance pieces (21) from between the manifold
(17) and the structure.
(11)
Remove the manifold (17).
(12)
Put blanking plugs on the disconnected line ends and the manifold ports.
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
Subtask 29-13-14-020-050-A
A. Removal of the HP Manifold 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)
Disconnect the electrical connectors (5),(41),(42),(43).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Loosen the pipe end-fitting (47) and disconnect the pipe (46) from the union (48).
(4)
Loosen the pipe end-fitting (45) and disconnect the other end of the pipe (46) from the tee connector (44). Remove the pipe (46).
(5)
Loosen the pipe end-fitting (30) and disconnect the pipe (29) from the union (31).
(6) 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3(106)
