3. Job Set-up
__________ Subtask 21-52-32-860-052-A
A. Aircraft Maintenance Configuration
(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 10HM2
-191KB
-191BB,
(b)
FOR 11HM2
-192KB
-192FB.
(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)
On the HP ground connector make sure that the warning notice to tell persons not to supply ground air is in position.
1EFF : ALL 1 21-52-32Page 416 1 1 Aug 01/05R 1 1 1CES 1
Subtask 21-52-32-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HM2
R **ON A/C 401-499,
R 49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399, 52HH D08
R 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 1HH 3HH X22X21
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
R R 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399, 4HH Y19
R R 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC **ON A/C 106-149, 303-399, 2HH Y18
R 122VU 4HH Y19
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
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C ALL
FOR 11HM2
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
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 21HH 23HH 24HH 22HH W22W21Y21Y20
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
4. Procedure_________
Subtask 21-52-32-420-054
A. Installation of the Attachment Components (Ref. Fig. 402/TASK 21-52-32-991-002)
(1) Put the support rod (72A) in position on the support rod (72B) and install the bolt (4), the washer (2) and the nut (3).
(2) Put the support rods (72A), (72B) and (73) in their applicable positions in the brackets (1).
(3) Install the bushings (31), if fitted the washers (30), the bolts (29), the washers (33) and the nuts (34).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 21-52-32-560-050
B. Preparation of the Replacement Component
(Ref. Fig. 401/TASK 21-52-32-991-001)
(1)
Remove and discard the lockwire and remove the sensor (26) from the removed condensor (22).
(2)
Remove and discard the packing (25).
(3)
Remove and discard the lockwire and remove the screws (1), the washers (2), the sensor (4) and the packing (5) from the removed condensor (22).
(4)
Remove and discard the packing (5).
(5)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(6)
Remove the blanking plugs from the replacement condensor (22).
(7)
Clean the component interface and/or the adjacent area.
(8)
Apply a small quantity of COMMON GREASE (Material No. 04-012) to the contact faces of the sensor (26) and the screws (1).
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