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TASK 23-73-47-000-001
Removal of the Decoder/Encoder Units (DEU) B 300RH
1.
Reason for the Job
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Self Explanatory
2.
Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific stepladder 0.5 m (1 ft. 8 in.)
No specific 1 STEPLADDER 0.5 M (1.6 FT)
B. Referenced Information
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REFERENCE DESIGNATION
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23-73-00-861-001 Energize the Cabin Intercommunication Data System (CIDS) 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 31-32-00-860-003 Procedure to Get Access to the SYSTEM REPORT/TEST/COM Page
R **ON A/C 001-049, 051-099, 101-105, 201-299,
23-73-47-991-001 Fig. 401 R **ON A/C 106-149,
R 23-73-47-991-001-D Fig. 401A
1EFF : ALL 1 23-73-47Page 401 1 1 May 01/05 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 151-199,
23-73-47-991-001-A Fig. 401B
**ON A/C 301-399,
23-73-47-991-001-C Fig. 401C
R **ON A/C 401-499,
R 23-73-47-991-001-E Fig. 401D FOR FIN 300RH1 25-23-42-000-001 Removal of the Ceiling Panels - Forward Utility Area FOR FIN 300RH4 25-23-41-000-001 Removal of the Ceiling Panels 25-23-43-000-001 Removal of the Upper Sidewall Panel(s) FOR FIN 300RH5, 300RH6 25-23-42-000-002 Removal of the Ceiling Panels - Aft Utility Area FOR FIN 300RH6 25-23-41-000-001 Removal of the Ceiling Panels 25-23-48-000-001 Removal of the Cove Light Panels FOR FIN 300RH7, 300RH8 25-23-42-000-002 Removal of the Ceiling Panels - Aft Utility Area
**ON A/C ALL
3. Job Set-up
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Subtask 23-73-47-861-050
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002)
1EFF : ALL 1 23-73-47Page 402 1 1 Aug 01/05 1 1 1CES 1 Subtask 23-73-47-970-050
B. Trouble Shooting Data
(1)
Make sure that the Cabin Intercommunication Data System (CIDS) is energized (Ref. TASK 23-73-00-861-001).
(2)
If available, you can print the Trouble Shooting Data (TSD) as follows:
-get access to the SYSTEM REPORT/TEST COM page (Ref. TASK 31-32-00-860-003) - on this page, push the line key adjacent to the CIDS1 (2) indication.
- on the CIDS1 (2) page, push the line key adjacent to the TROUBLE SHOOTING DATA indication to get the TROUBLE SHOOTING DATA page.
-print the Trouble Shooting Data page.
Subtask 23-73-47-865-053
C. Open, safety and tag this(these) circuit breaker(s):
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PANEL DESIGNATION IDENT. LOCATION
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**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399,
49VU COM/CIDS/DEU B/ESS 153RH G03
**ON A/C 301-399,
120VU COM / CIDS / DEU B / NORM FWD 193RH M09
**ON A/C 001-049, 051-099, 101-105, 201-299,
121VU COM NAV/CIDS/DEU B/NORM 162RH M07
R **ON A/C 106-149, 151-199, 401-499,
121VU COM NAV/CIDS/DEU B/NORM 162RH M08
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