R **ON A/C 151-199, 401-499,
R 21-52-24-991-001-A Fig. 401A R
**ON A/C ALL
3. Job Set-up__________
Subtask 21-52-24-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that the access panel/s is/are removed (Ref. TASK 53-35-13-000-002),
(a) FOR 10HM4 - 191KB,
(b) FOR 11HM4 - 192KB.
4. Procedure_________
Subtask 21-52-24-560-050
A. Preparation of the Replacement Component
R **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
(Ref. Fig. 401/TASK 21-52-24-991-001)
R **ON A/C 151-199, 401-499,
R R (Ref. Fig. 401A/TASK 21-52-24-991-001-A)
**ON A/C ALL
(1) Remove the screws (52), the amendment plate (53) and the identification plate (51) from the removed heat exchanger unit (7).
(2) Put the amendment plate (53) and the identification plate (51) in position on the replacement heat exchanger unit (7).
(3) Install the screws (52) NOTE : These steps are necessary as these plates carry the data for
____ the air conditioning pack.
Subtask 21-52-24-420-053
B. Installation of the Heat Exchanger Unit NOTE : Turn the sleeves (16), (88) and (59) when you move them or when
____ you install them.
NOTE : It is no longer required that the bonding strap (34) is fitted for
____ the installation of the heat exchanger unit.
(1) Prepare the attachment parts for installation,
(a)
Remove the blanking plugs from the disconnected line ends.
(b)
Clean the component interface and/or the adjacent area.
(c)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(d)
Make sure that:
1_ For the left heat exchanger unit (10HM4),
- the seals (43), (47), (87), (61) and (62), and the seals
(84) or the alternative seals (85) and (86) are in a good
condition.
2 For the right heat exchanger unit (11HM4),
_ -the seals (87), (61), (62), (143), (147), and the seals
(184) or the alternative seals (185) and (186) are in a good condition.
(e) If necessary replace the seals:
1 For the left heat exchanger unit,
_ a The seal (47) and/or the seal (43), the seal (87), the seal
_ (61), the seal (62), the seal (84) or the alternative seal
(85) and the seal (86).
1EFF : ALL 1 21-52-24Page 453 1 1 Aug 01/05R 1 1 1CES 1
2 For the right heat exchanger unit,
_ a The seal (147) and/or the seal (143), the seal (87), the
_ seal (61), the seal (62), the seal (184) or the alternative seal (185) and the seal (186).
(f)
Apply a small quantity of COMMON GREASE (Material No. 04-012) to the seals before you install them.
(g)
Apply a small quantity of LUBRICANTS (Material No. 06-007) to the contact faces of the retaining cables (60).
(2) Install the heat exchanger unit. WARNING : SUPPORT THE UNIT/ASSEMBLY OR IT WILL FALL AND BECOME
_______ DAMAGED OR INJURE PERSONNEL. THE UNIT/ASSEMBLY IS HEAVY.
(a) Carefully put the heat exchanger unit (7) in position on the air condition pack.
NOTE : The heat exchanger unit weighs aprx. 36 kg (79.3663 lb).
____
(b)
Put the sleeve (59) in position on the flange (17).
(c) 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM AIR CONDITIONING 空調 4(77)
