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C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
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PANEL SERVICE IDENT. LOCATION
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2001VU CIDS/DEU A NORM/ MID/ LH 197RH C04
2001VU CIDS/DEU A NORM/ MID/ RH 198RH C05
2001VU CIDS/DEU A NORM/ AFT/ LH 173RH C06
2001VU CIDS/DEU A NORM/ AFT/ RH 174RH C07
**ON A/C ALL
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-105, 201-299,
(Ref. Fig. 401/TASK 23-73-46-991-001)
**ON A/C 106-149,
(Ref. Fig. 401A/TASK 23-73-46-991-001-C)
**ON A/C 151-199,
(Ref. Fig. 401B/TASK 23-73-46-991-001-A)
**ON A/C 301-399,
(Ref. Fig. 401C/TASK 23-73-46-991-001-B) R **ON A/C 401-499,
R (Ref. Fig. 401D/TASK 23-73-46-991-001-D)
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Subtask 23-73-46-420-050
A. Installation of the DEU-A
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Remove the blanking caps from the electrical connectors (2), (3) and (4).
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Carefully install the DEU A (1) into the mounting bracket (6). Make sure that the DEU A (1) is correctly aligned to prevent damage to the electrical connector (4).
(6)
Connect the electrical connectors (2) and (3) to the DEU A (1) and safety with the locking springs (7).
R **ON A/C 106-149, 301-399, 401-499,
Subtask 23-73-46-420-050-A
A. Installation of the Decoder/Encoder Unit (DEU) A
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Put the DEU A (6) in the correct position.
(4)
Tighten the nylatches (5).
(5)
Remove the blanking caps from the electrical connectors.
(6)
Make sure that the electrical connectors are clean and in the correct condition.
(7)
Connect the electrical connectors (2) to the DEU A (6).
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(8) Safety the electrical connectors (2). CAUTION : MAKE SURE THAT THE SPRING LATCHES CORRECTLY HOLD THE
_______ CONNECTOR IN THE FULLY ENGAGED POSITION. THE SPRING LATCHES PREVENT UNWANTED MOVEMENT OF THE CONNECTOR, AND THUS THE RISK OF ARCING, WHICH CAN CAUSE DAMAGE TO THE UNIT.
(a) Safety the electrical connectors (2) with the spring latches (1).
(9) Make sure that the coding switches are in the positions recorded during the removal procedure.
(10) Install the connection/termination box (4) and tighten the nylatches (3).
**ON A/C ALL
Subtask 23-73-46-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 154RH, 155RH, 163RH, 164RH, 165RH, 166RH, 167RH, 168RH, 158RH, 159RH, 172RH, 179RH, 195RH, 196RH
**ON A/C 301-399,
Subtask 23-73-46-865-055
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 173RH, 174RH, 197RH, 198RH.
**ON A/C ALL
Subtask 23-73-46-869-050
D. Make sure that the Cabin Intercommunication Data System (CIDS) is
energized (Ref. TASK 23-73-00-861-001).
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Subtask 23-73-46-710-050
E. Do this test.
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1.
On the circuit breaker panel 121VU:
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