-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 401-499,
R R 122VU AIR COND/TEMP CTL SYS 1/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC 49HH 51HH 50HH X22 X21Y18
**ON A/C ALL
FOR 11HM
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
122VU AIR COND/FLOW/CTL AND IND/2 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 2HB 21HH 23HH 24HH 22HH V21W22W21Y21Y20
R **ON A/C 401-499,
R R 122VU AIR COND/TEMP CTL SYS 2/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 2/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/115VAC 53HH 55HH 56HH 54HH W22W21 Y21Y20
**ON A/C ALL
Subtask 21-52-41-860-050-A
B. Aircraft Maintenance Configuration
(Ref. Fig. 401/TASK 21-52-41-991-001-A)
(1) Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002) .
(2)
Make sure that the access panel/s is/are removed (Ref. TASK 53-35-13-000-002).
(a)
FOR 10HM
-191BB
-191KB,
(b)
FOR 11HM
-192FB
-192KB.
(3)
On the panel 30VU make sure that:
(a)
The APU BLEED pushbutton switch is in the off position (the ON legend is off).
(b)
The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).
(c)
The warning notice to tell persons not to operate these pushbutton switches is in position.
(4)
Make sure that the warning notice to tell persons not to supply the ground air is in position on the HP ground connector.
4. Procedure
_________
Subtask 21-52-41-420-055
A. Installation of the Attachment Components
(Ref. Fig. 406/TASK 21-52-41-991-006)
(1)
Put the support rod (72a) in position on the support rod (72b) and install the bolt (3), the washer (1) and the nut (2).
(2)
Put the support rods (71), (72a) and (72b), (73), (74), (75), (77), (78), (79), (80), (81), (82) and (83) in their applicable positions in the brackets (1).
(3)
Install the bushings (98), if fitted the washers (97), the bolts (96), the washers (100) and the nuts (99).
1EFF : ALL 1 21-52-41Page 432 1 1 Aug 01/05R 1 1 1CES 1
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
Subtask 21-52-41-560-050
B. Preparation of the Replacement Component
(Ref. Fig. 402/TASK 21-52-41-991-002, 405/TASK 21-52-41-991-005)
NOTE : The material 04-007 is a molybdenum disulfide powder.
____ Before you can apply it you must first make it into a paste. To do this you must mix the powder with pure water or white spirit.
NOTE : The material 06-007 is applied dry.
____
NOTE : It is no longer required that the bonding strap (87) is fitted for
____
the installation of the air conditioning pack.
(1)
Remove the blanking plugs from the disconnected line ends.
(2)
Remove the protective cover from the cooling elements of the air conditioning pack (4).
(3)
Clean the component interface and/or the adjacent area.
(4)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(5)
Make sure that:
(a)
For the left air conditioning pack the seals (122) and (124) are clean and in a good condition,
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