R **ON A/C 001-003, 051-052,
Subtask 33-51-38-710-052
B. Do this test.
NOTE : The test is the same for all batteries of the emergency
____
power-supply units.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
**ON EPSU P/N 3214-5X
1. On the emergency power-supply On the emergency power-supply unit:
unit:
- push the TEST pushbutton for - the green LED
approx. 2 s. - BATTERY OK,
- INTERNAL LOADS OK,
- EXTERNAL LOADS OK
come on for approx. 1 min, if all
test loops are completed without
malfunction.
**ON EPSU P/N 3214-54-10
2. On the emergency power-supply On the emergency power-supply unit:
unit:
- push the TEST membrane switch - the green SYSTEM OK LED comes on for
for approximately 2 s. approximately 30 s if all test loops
are completed without malfunction.
R 1EFF : 001-003, 051-052, 1 33-51-38Page 428 1 1 May 01/05 1 1 1CES 1
R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
Subtask 33-51-38-710-052-A
B. Do this test.
NOTE : The test is the same for all batteries of the emergency
____
power-supply units.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the emergency power-supply On the emergency power-supply unit: unit:
-push the TEST membrane switch - the green SYSTEM OK LED comes on for
for approximately 2 s. approximately 30 s if all test loops are completed without malfunction.
**ON A/C ALL
5. Close-up
________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 33-51-38-410-053-A
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the ceiling panel: FOR 10WL install 221BC at the left FWD passenger/crew door (Ref. TASK 25-23-42-400-001).
(3)
Install the lower sidewall panel: FOR 11WL install 241KW at the left emergency exit(s) (Ref. TASK 25-23-44-400-001), FOR 12WL install 242KW at the right emergency exit(s) (Ref. TASK 25-23-44-400-001).
(4) Engage the emergency oxygen container:
FOR 13WL
lift and engage the emergency oxygen container 33WR between the AFT
passenger/crew doors (Ref. TASK 35-21-41-400-001).
(5) Remove the stepladder(s).
R **ON A/C 301-399,
R Subtask 33-51-38-410-053-B
R A. Close Access
R (1) Make sure that the work area is clean and clear of tool(s) and other
R items.
R (2) Install the ceiling panel:
R FOR 10WL
R install 221BC at the left FWD passenger/crew door (Ref. TASK 25-23-
R 42-400-001),
R FOR 11WL
R install 251KC between the rear emergency exit doors (Ref. TASK 25-23-
R 41-400-001),
R FOR 12WL
R install 251KC between the rear emergency exit doors (Ref. TASK 25-23-
R 41-400-001),
R FOR 14WL
R install 231JC between the forward emergency exit doors (Ref. TASK 25-
R 23-41-400-001),
R FOR 15WL
R install 231JC between the forward emergency exit doors (Ref. TASK 25-
R 23-41-400-001),
R (3) Engage the emergency oxygen container:
R FOR 13WL
R lift and engage the emergency oxygen container 33WR between the AFT
R passenger/crew doors (Ref. TASK 35-21-41-400-001).
R (4) Remove the stepladder(s).
R **ON A/C ALL
Subtask 33-51-38-862-052
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
POWER SUPPLY UNIT - FLOOR PROXIMITY EMERGENCY ESCAPE PATH MARKING LIGHT
_______________________________________________________________________ REMOVAL/INSTALLATION
____________________
TASK 33-51-39-000-001
Removal of the Power Supply Unit for the Floor-Proximity Emergency-Escape
Path-Marking Light WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
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