D. Referenced Information
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REFERENCE DESIGNATION
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12-33-21-618-001 Pre-conditioning through the HP Ground Connection 12-33-21-618-001 Pre-conditioning with the APU 21-61-00-710-001 Operational Test of the Pack Temperature-Control
System 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 53-35-13-000-002 Removal of the Quick-Release Access Panels from the Belly Fairing Structure 53-35-13-400-002 Installation of the Quick-Release Access Panels on the Belly Fairing Structure 21-61-18-991-001 Fig. 401
3. Job Set-up
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Subtask 21-61-18-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that:
(a)
The aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(b)
The access panel is removed (Ref. TASK 53-35-13-000-002):
R 1_FOR 10HM9 191KB.
R 2_FOR 11HM9 192KB.
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Subtask 21-61-18-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HM9 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 1HH X22 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 3HH X21
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC 4HH Y19
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18
R **ON A/C 106-149, 303-399,
R 122VU 4HH Y19
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
FOR 11HM9 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
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4. Procedure
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(Ref. Fig. 401/TASK 21-61-18-991-001) Subtask 21-61-18-420-050
A. Installation of the Compressor Pneumatic Overheat-Sensor
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Make sure that the removed packing (6) is in a good condition. If necessary replace the packing (6).
(3)
Remove the blanking plugs from the disconnected line ends.
(4)
Apply a small quantity of COMMON GREASE (Material No. 04-012) to the screws (3).
(5)
Clean the component interface and/or the adjacent area.
(6)
Put the packing (6) in position on the compressor pneumatic overheat-sensor (5).
(7)
Put the compressor pneumatic overheat-sensor (5) in position in the pipe assembly (1) and install the washers (4) and the screws (3).
(8)
Make sure that the compressor pneumatic overheat-sensor (5) is in the correct position and tighten the screws (3).
(9)
Wipe clean the excess COMMON GREASE (Material No. 04-012) from the screws (3) and safety with MISCELLANEOUS (Material No. 19-009).
(10)
Connect the sense line (2).
(11)
TORQUE the sense line (2) connector to between 0.95 and 1.05 m.daN
(84.07 and 92.92 lbf.in).
(12)
Make sure that the work area is clean and clear of tool(s) and other items.
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Subtask 21-61-18-865-052
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