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PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------121VU COM NAV/CIDS/DEU A NORM/R MID 166RH M12 121VU COM NAV/CIDS/DEU A NORM/L MID 165RH M11 121VU COM NAV/CIDS/DEU A NORM/R FWD 164RH M10 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M09
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399, 401-499,
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
(Ref. Fig. 401/TASK 23-73-49-991-001)
Subtask 23-73-49-420-050
A. Installation of the PCB with the Bulbs or LEDs
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Install the PCB (1).
(4)
Put the retainers (4) in position and apply pressure to the lock-angles (5) on both sides of the retainers (4) and push it into the retaining groove.
(5)
Click the clip of the lock-angle (5) into the retaining groove.
(6)
Remove the blanking caps from the electrical connectors.
(7)
Make sure that the electrical connectors are clean and in the correct condition.
(8)
Connect the electrical connector (2) to the PCB (1).
(9)
Make sure that the work area is clean and clear of tool(s) and other items.
(10) Lift the PSIU (3) and engage it in the mounting rail (6).
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(11) Install the section-hose (7) with the PULLEY ASSEMBLY - SEALING CORD
(98A25207503000) to the mounting rail (6).
NOTE : Make sure that the section-hose is not expanded. Move the
____ pulley assemble forward and rearward to prevent this.
Subtask 23-73-49-865-050
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1LW, 2LW, 3LW, 4LW, 5LW, 6LW, 154RH, 155RH, 163RH, 164RH, 165RH, 166RH, 167RH, 168RH.
Subtask 23-73-49-860-052
C. Aircraft Maintenance Configuration
(1)
Make sure that the Cabin Intercommunication Data System is energized (Ref. TASK 23-73-00-861-001).
(2)
Energize the Passenger Reading Lights System (Ref. TASK 33-25-00-710-001).
(3) Make sure that at least one cabin door is open. Subtask 23-73-49-710-050
D. Do this test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the related PSIU: On the related PSIU:
-
push the call pushbutton - the call indication light flashes. switch.
-
push to reset the call - the call indication light stays on. pushbutton switch.
-
push all the reading light - all reading lights come on.
pushbutton switches.
-
push to reset all the reading - all reading lights go off.
light pushbutton switches.
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
2. On the cockpit overhead panel
25VU:
-
set the SEAT BELTS switch to - the fasten seat belt indicator light ON. comes on.
-
set the NO SMOKING switch to - the no smoking indicator light comes ON. on.
-
set the SEAT BELTS and the NO - the fasten seat belt and no smoking SMOKING switch to OFF. indicator lights go off.
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399,
5. Close-up
________
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
Subtask 23-73-49-862-050
A. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002)
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