(3)
In the cockpit, on the ELEC panel 35VU, make sure that these pushbutton switches are released:
-BAT 1, BAT 2,
-APU GEN,
-GEN 1, GEN 2,
-EXT PWR.
(4)
In the cockpit, make sure that the warning notice(s) are in position to tell persons not to operate the pushbutton switches on these overhead panels:
-21VU (EMER ELEC PWR section),
-25VU (APU section),
-35VU (ELEC).
**ON A/C ALL
4. Procedure
_________
**ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
Subtask 24-22-51-420-050
A. Installation of the Lightning Protection Module
(1)
Install the lightning protection module (3) on the three barrels (4) of the contactor base (5).
(2)
Install the bonding lead (2) of the lightning protection module (3) with the screw (1) and then tighten.
(3)
Do the electrical bonding (Ref. TASK 20-28-00-912-043).
R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
Subtask 24-22-51-420-050-A
A. Installation of the Lightning Protection Module
(1)
Install the lightning protection module (3) on the module 30XN1 (30XN2).
(2)
Install the screws (4) and the washers (5).
(3) TORQUE the screws (4) to between 0.73 and 0.81 m.daN (64.60 and 71.68 lbf.in).
(4) Install the bonding lead (2) of the lightning protection module (3) with the screw (1) then tighten.
(5) Do the electrical bonding (Ref. TASK 20-28-00-912-043).
**ON A/C ALL
5. Close-up________
R **ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
Subtask 24-22-51-410-050
A. Close Access
R (1) FOR 19XU1 Install the contactor 9XU1. (Ref. TASK 24-22-55-400-002).
R (2) FOR 19XU2 Install the contactor 9XU2 (Ref. TASK 24-22-55-400-002).
MODULE - LIGHTNING PROTECTION (19XU1,19XU2) - INSPECTION/CHECK
______________________________________________________________
TASK 24-22-51-200-001
Check of the Lightning Protection Modules (19XU1, 19XU2)
WARNING : MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT
_______ ELECTRICAL CIRCUITS. THERE IS A RISK OF ELECTROCUTION IF THE AC OR DC POWER STAYS CONNECTED.
1. Reason for the Job
__________________
The crew has made an entry in the log book for a lightning.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific inspection lamp No specific warning notices No specific access platform 0.5 m (1 ft. 8 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-22-51-000-001 Removal of the Lightning Protection Modules (19XU1, 19XU2) 24-22-51-400-001 Installation of the Lightning Protection Modules
(19XU1, 19XU2) 25-11-41-000-001 Removal of the Third Occupant Seat 25-11-41-400-001 Installation of the Third Occupant Seat
3. Job Set-up
__________
Subtask 24-22-51-010-052
A. Get Access
(1)
Remove the Third Occupant seat (Ref. TASK 25-11-41-000-001).
(2)
In the cockpit, on the rear panel 120VU, open the panel which gives access to the AC power center 123VU.
(3)
Put the access platform in position at the access door 121AL.
(4)
Open the access door 121AL.
Subtask 24-22-51-860-052
B. Safety Precautions
(1)
Make sure that the external power connector is not connected to the aircraft EXT PWR receptacle.
(2)
Put a warning notice on the access door 121AL to tell persons not to connect the external power connector to the aircraft EXT PWR receptacle.
(3)
In the cockpit, on the ELEC panel 35VU, make sure that these pushbutton switches are released:
-APU GEN,
-BAT 1, BAT 2,
-GEN 1, GEN 2,
-EXT PWR.
(4)
In the cockpit, put warning notices to tell persons not to operate the pushbutton switches on these overhead panels:
-21VU (EMER ELEC PWR),
-25VU (APU),
-35VU (ELEC).
4. Procedure
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