4. Procedure
_________
**ON A/C 001-049, 051-061, 101-105, 201-203, 301-399,
(Ref. Fig. 401/TASK 28-42-44-991-002) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1087 For A/C 001-049,051-061,101-105,201-203, (Ref. Fig. 401A/TASK 28-42-44-991-002-A) **ON A/C 001-049, 051-061, 101-105, 201-203,
Subtask 28-42-44-020-050
A. Removal of the Harness
(1)
Disconnect the center tank harness 17QT:
(a)
Disconnect the center tank harness from the probes 36QT, 37QT and 38QT (Ref. TASK 28-42-15-000-004).
(b)
Disconnect the center tank harness from the sensors 20QJ and 21QJ (Ref. TASK 28-46-15-000-004).
(c)
Disconnect the center tank harness from the cadensicon 20QT (Ref. TASK 28-42-16-000-002).
(2)
Attach together all the connectors at all ends of the harness with adhesive tape.
NOTE : This will help the harness to move through its conduit.
____
(3) Disconnect the center tank harness from the aircraft structure:
(a)
Remove the screws (1) and (2), and the washers (3) from the loop clamps (4), (5), (6), (7), (8) and (9).
(b)
Remove the screws (10) and the nuts (11) from the loop clamps (12), (13) and (14).
(c)
Release the harness (22) from the loop-clamps (4), (5), (7), (8),
(9)
and (14).
1EFF : ALL 1 28-42-44Page 404 1 1 Aug 01/05 1 1 1CES 1
(4)
If necessary, temporarily install the items that follow:
-
the harness (23)
-
the loop clamps (4), (5), (7), (8), (9) and (14)
-
the screws (1), (2) and (10)
-
the washers (3)
-
the nuts (11).
(5)
Attach string to the longest end of the harness (22). NOTE : This will help you to install a new center tank harness.
____
(6)
Remove the electrical connector (20) from the applicable electrical backshell (21).
(7)
Remove and discard the the lockwire from the nut (19).
(8)
Remove the nut (19) and the washer (18).
(9)
Remove the electrical backshell (21) and the O-ring (17) from the tank wall.
(10)
Make sure that the center tank harness (22) is free to move through its conduit (16).
(11)
Carefully pull the electrical backshell (21) to remove the center tank harness from the aircraft. When you remove the center tank harness make sure that it does not catch.
(12)
Remove the center tank harness from the string. Make sure that you do not pull the string out of the conduit (16).
**ON A/C 301-399,
Subtask 28-42-44-020-050-B
A. Removal of the Harness
(1) Disconnect the center tank harness 17QT:
(a)
Disconnect the center tank harness from the probes 36QT, 37QT and 38QT (Ref. TASK 28-42-15-000-002).
(b)
Disconnect the center tank harness from the sensors 20QJ and 21QJ (Ref. TASK 28-46-15-000-004).
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-44Page 405 1301-399, 1May 01/05 1 1 1CES 1
Center Tank Harness 17QT - Location and Detail Figure 401/TASK 28-42-44-991-002- 14 (SHEET 1)
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-44Page 406 1301-399, 1May 01/05 1 1 1CES 1
Center Tank Harness 17QT - Location and Detail Figure 401/TASK 28-42-44-991-002- 24 (SHEET 2)
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-44Page 407 1301-399, 1May 01/05 1 1 1CES 1
Center Tank Harness 17QT - Location and Detail Figure 401/TASK 28-42-44-991-002- 34 (SHEET 3)
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-44Page 408 1301-399, 1May 01/05 1 1 1CES 1
Center Tank Harness 17QT - Location and Detail Figure 401/TASK 28-42-44-991-002- 44 (SHEET 4)
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-44Page 409 1301-399, 1May 01/05 1 1 1CES 1
Center Tank Harness 17QT - Location and Detail
Figure 401A/TASK 28-42-44-991-002-A14 (SHEET 1)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-44Page 410 1201-299, 401-499, 1Aug 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 FUEL 燃油6(19)
