4. Procedure
_________ Subtask 25-22-00-210-052 R A. Do the General Visual Inspection/Check of the Cabin-Attendant Seat-Belts
(1)
Make sure that the metal attach fitting and buckles have no cracks or other damage.
(2)
Make sure that the seat-belt buckle locks/unlocks correctly.
(3)
Make sure you can adjust the length of the seat belt correctly.
(4)
For seats with a restraint system with inertia reel(s):
(a) Make sure you can pull out the shoulder harnesses smoothly and that they automatically go back into their reels.
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25-22-00Page 603
(b) Make sure that the shoulder harness locks when you pull hard and it unlocks when you release the tension.
(5) Make sure that you can read the markings.
Subtask 25-22-00-220-050
B. Do the Visual Inspection/Check of the Cabin-Attendant Seat-Belts Webbing (Ref. Fig. 601/TASK 25-22-00-991-001)
(1)
Do a check of the webbing for damaged stitching, injurious marks, broken fabric threads and chafe marks.
(2)
There are four classified types of web fraying:
-
Class I: The webbing has fraying across the full width
-
Class II: Each side of the webbing has fraying but the fraying is not continuous across the full width
-
Class III: Only one side of the webbing has fraying
-
Class IV: The fraying is the result of a small cut or clear edge break.
(3)
Replace the seat belts if:
-
If the thickness of the lap belt or inertia reel webbing increases more than 0.075 in. (1.9 mm).
-
If the web edge is cut or torn deeper than 0.1 in. (2.5 mm).
-
If the fraying is more than 10% of the web width
-
If the amount of fraying is more than 8 in. (203.2 mm) of the web length
-
If there are more than 15 broken threads in other locations than the edge
-
If more than 30 stitches in the stitch-pattern are broken.
5. Close-up
________
Subtask 25-22-00-210-053
A. Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 25-22-00-862-051
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
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25-22-00Page 604
May 01/01
R
CES
INTENTIONALLY BLANK
R Seat-Belt Webbing Life Figure 601/TASK 25-22-00-991-001- 13 (SHEET 1)
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CES
R Seat-Belt Webbing Life Figure 601/TASK 25-22-00-991-001- 23 (SHEET 2)
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CES
R Seat-Belt Webbing Life Figure 601/TASK 25-22-00-991-001- 33 (SHEET 3)
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CES
SEAT - CABIN ATTENDANT, WALL MOUNTED - REMOVAL/INSTALLATION
___________________________________________________________
TASK 25-22-41-000-001
Removal of the Wall-Mounted Cabin-Attendant Seats
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power
25-22-41-991-001 Fig. 401
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
25-22-41-991-002 Fig. 402
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25-22-41Page 401
**ON A/C ALL
3. Job Set-up
__________
Subtask 25-22-41-861-050
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
If you remove a cabin-attendent seat which does not have a handset installed, continue from step 4. A.
Subtask 25-22-41-865-050
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