(9) Make sure that the front panel (8) of the panel 123VU is removed. Subtask 24-51-55-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU ELEC/AC PWR/SVCE/CTL 3XX V29
4. Procedure
_________
**ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
(Ref. Fig. 401/TASK 24-51-55-991-001) R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 24-51-55-991-001-A)
**ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
Subtask 24-51-55-420-050
A. Installation of the Contactor
(1)
Install the contactor (3) on the 6 tapped barrels (5) of the contactor base (6).
(2)
TORQUE the six captive screws (2) to between 1.084 and 1.299 lbf.ft
(0.14 and 0.17 m.daN).
(3)
Remove the blanking caps from the electrical connectors (1) and (7).
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Connect the electrical connector (1).
R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
Subtask 24-51-55-420-050-A
A. Installation of the Contactor
(1)
Install the contactor (3) on the module 20XX (6).
(2)
TORQUE the six captive screws (2) to between 1.084 and 1.299 lbf.ft
(0.14 and 0.17 m.daN).
(3)
Remove the blanking caps from the electrical connector (1) and the electrical receptacle (7).
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5) Connect the electrical connector (1) to the contactor (3).
**ON A/C ALL
Subtask 24-51-55-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3XX
Subtask 24-51-55-710-050
C. Test of Lights in the Cockpit
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
On the FWD ATTENDANT panel 120RH, push the MAIN ON pushbutton switch. Make sure that these lights come on:
-
CEILING FWD RH,
-
CEILING AFT RH,
-
WINDOW FWD LH,
-
WINDOW AFT LH.
5. Close-up
________
Subtask 24-51-55-862-050
A. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
Subtask 24-51-55-410-050
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
R (2) Install the front panel (8) of the panel 123VU.
R (3) Install the Third Occupant seat (Ref. TASK 25-11-41-400-001).
(4)
Remove the warning notice(s).
(5)
Close the access door 121AL.
(6)
Remove the access platform(s).
AC ESSENTIAL DISTRIBUTION - DESCRIPTION AND OPERATION_____________________________________________________
1. General_______
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
(Ref. Fig. 001)
R **ON A/C 401-499,
R (Ref. Fig. 001A)
R **ON A/C ALL
The AC essential distribution network corresponds to busbars 4XP (115 VAC ESS bus) and 8XP (115 VAC SHED essential bus) and their associated sub-busbars.
2. Component Location__________________ (Ref. Fig. 002, 003)
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF. -------------------------------------------------------------------------------5XH A/XFMR-115/26VAC, ESS 125 812 24-52-51
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL |ZONE|ACCESS | ATA | | | | DOOR | REF. -------------------------------------------------------------------------------8XH CNTOR-AC SHED ESS BUS 106VU 125 812 24-52-55
3. Operation_________
**ON A/C 001-049, 051-099, 101-105, 201-203,
The AC essential distribution network can be supplied: - either by 115 VAC BUS1 1XP, - or by 115 VAC BUS2 2XP in case of loss of power from main busbar 1XP (in this case, the crew has to select ALTN on AC ESS FEED pushbutton switch to recover 115 VAC ESS BUS),
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