(2)
Remove the related cove light panel (Ref. TASK 25-23-48-000-001), or the forward utility-area ceiling panel (Ref. TASK 25-23-42-000-001), or the aft utility-area ceiling panel (Ref. TASK 25-23-42-000-002).
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399,
4. Procedure
_________
R **ON A/C 001-049, 051-099, 101-105, 201-299,
(Ref. Fig. 401/TASK 23-73-48-991-001)
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-48Page 403 1201-299, 301-399, 1May 01/05 1 1 1CES 1
Mount DEU A / DEU B
Figure 401/TASK 23-73-48-991-001- 12 (SHEET 1)
R 1EFF : 001-049, 051-099, 101-105, 201-299, 1 23-73-48Page 404 1 1 May 01/05 1 1 1CES 1
Mount DEU A / DEU B
Figure 401/TASK 23-73-48-991-001- 22 (SHEET 2)
R 1EFF : 001-049, 051-099, 101-105, 201-299, 1 23-73-48Page 405 1 1 May 01/05 1 1 1CES 1 **ON A/C 151-199,
(Ref. Fig. 401A/TASK 23-73-48-991-001-A) R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
Subtask 23-73-48-020-050
A. Removal of the DEU A/DEU B -Mount
(1)
Disconnect the electrical connector (2) from the DEU mount (1).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the related DEU A (Ref. TASK 23-73-46-000-001) or DEU B (Ref. TASK 23-73-47-000-001).
(4)
Remove the screws (3) and washers (4).
(5)
Remove the DEU mount (1).
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INTENTIONALLY BLANK
R 1 1
23-73-48Page 407
1 1 May 01/04 1 1 1CES 1
Mount DEU A / DEU B
Figure 401A/TASK 23-73-48-991-001-A12 (SHEET 1)
R 1EFF : 151-199, 1 23-73-48Page 408 1 1 May 01/04 1 1 1CES 1
Mount DEU A / DEU B
Figure 401A/TASK 23-73-48-991-001-A22 (SHEET 2)
R 1EFF : 151-199, 1 23-73-48Page 409 1 1 May 01/04 1 1 1CES 1R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399,
TASK 23-73-48-400-001
Installation of the DEU A / DEU B - Mount
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific stepladder 0.5 m (1 ft. 8 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
23-73-00-740-005 BITE Test of the Cabin Intercommunication Data System (CIDS) through the CFDS 23-73-46-400-001 Installation of the Decoder/Encoder Unit (DEU) A 200RH 23-73-47-400-001 Installation of the Decoder/Encoder Unit (DEU) B 300RH 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power 25-23-42-000-001 Removal of the Ceiling Panels - Forward Utility Area 25-23-42-000-002 Removal of the Ceiling Panels - Aft Utility Area 25-23-42-400-001 Installation of the Ceiling Panels - Forward Utility
Area 25-23-42-400-002 Installation of the Ceiling Panels - Aft Utility Area 25-23-48-000-001 Removal of the Cove Light Panels 25-23-48-400-001 Installation of the Cove Light Panels
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-105, 201-299,
23-73-48-991-001 Fig. 401
**ON A/C 151-199,
23-73-48-991-001-A Fig. 401A
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399,
3. Job Set-up__________
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
Subtask 23-73-48-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrcal circuits are energized. (Ref. TASK 24-42-00-861-001)
(2) Make sure that the stepladder is below the related access panel.
(3) Make sure that the related cove light panel (Ref. TASK 25-23-48-000-001), or the forward utility-area ceiling panel (Ref. TASK 25-23-42-000-001), or the aft utility-area ceiling panel (Ref. TASK 25-23-42-000-002) is removed.
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