1. Possible Causes
_______________
- SEAT-CAPTAIN (3MS)
- SEAT-F/O (4MS)
- SW-CONSOLE/FLOOR (15LE)
- wiring from the Captain seat (3MS) to the switch (15LE)
- wiring from the Captain Seat (3MS) to the ground
- SW-CONSOLE/FLOOR (16LE)
- wiring from the F/O seat (4MS) to the switch (16LE)
- wiring from the F/O seat (4MS) to the ground
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 25-11-51-000-001 Removal of the Captain/First Officer Seat (3MS, 4MS) AMM 25-11-51-400-001 Installation of the Captain/First Officer Seat (3MS,
4MS) AMM 33-12-00-710-001 Operational Test of the General Illumination ASM 25-11/01 ASM 33-12/01
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the general illumination (Ref. AMM TASK 33-12-00-710-001).
NOTE : Do the test of the console and the briefcase lights only.
____
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4. Fault Isolation
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A. If during the operational test:
(1) A bulb is inoperative:
- replace the bulb.
(2) The Captain floor lighting is inoperative:
- disconnect the plug 1197VC and make sure that there is 28VDC at pins F and G (Ref. ASM 25-11/01).
(a) If there is 28VDC at pins F and G:
- replace the SEAT-CAPTAIN (3MS) (Ref. AMM TASK 25-11-51-000-001) and (Ref. AMM TASK 25-11-51-400-001).
(b) If there is no 28VDC at pin F:
- replace the SW-CONSOLE/FLOOR (15LE).
1 If the fault continues:
_
- do a check and repair the wiring from the Captain seat (3MS) to the switch (15LE) pins 1B, 1C, 2C and 3B (Ref. ASM 33-12/01).
(c) If there is no ground at pin G:
- do a check and repair the wiring from the Captain Seat (3MS) to the ground (Ref. ASM 33-12/01).
(3) The First Officer floor lighting is inoperative:
- disconnect the plug 1198VC and make sure that there is 28VDC at pins F and G.
(a) If there is 28VDC at pins F and G:
- replace the SEAT-F/O (4MS) (Ref. AMM TASK 25-11-51-000-001) and (Ref. AMM TASK 25-11-51-400-001).
(b) If there is no 28VDC at pin F:
- replace the SW-CONSOLE/FLOOR (16LE).
1 If the fault continues:
_
- do a check and repair the wiring from the F/O seat (4MS) to the switch (16LE) pins 1B, 1C, 2C and 3B (Ref. ASM 33-12/01).
(c) If there is no ground at pin G:
- do a check and repair the wiring from the F/O seat (4MS) to the ground (Ref. ASM 33-12/01).
B. Do the test given in Para. 3.
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PASSENGER COMPARTMENT SEATS - FAULT ISOLATION PROCEDURES
________________________________________________________
TASK 25-21-00-810-801
The ON lamp of the PED switch does not come on
1. Possible Causes
_______________
- PED (53HP)
- 56HP
- lamp
- Aircraft wiring
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific 1 MULTIMETER - STANDARD
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
ASM 25-21/00
TSM 25-21-00 P.Block 301 PASSENGER COMPARTMENT SEATS
3. Fault Confirmation
__________________
A. Push the PED POWER switch (56HP) to ON (Ref. TSM 25-21-00 P.Block 301).
4. Fault Isolation
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