- do a check and repair the wiring between: CB 10LV conn. A2 and PWR SPLY-RELAY 12LV conn. A/A2, CB 10LV conn. B2 and PWR SPLY-RELAY 12LV conn. A/B2, CB 10LV conn. C2 and PWR SPLY-RELAY 12LV conn. A/C2,
PWR SPLY-RELAY 12LV conn. A/A1 and PWR SPLY UNIT 14LV conn. A/1,
PWR SPLY-RELAY 12LV conn. A/B1 and PWR SPLY UNIT 14LV conn. A/2,
PWR SPLY-RELAY 12LV conn. A/C1 and PWR SPLY UNIT 14LV conn. A/3,
GND and PWR SPLY UNIT 14LV conn. A/12,
GND and PWR SPLY UNIT 14LV conn. A/14,
PWR SPLY UNIT 14LV conn. B/1 and STROBE-LIGHT 16LV conn. A/1,
PWR SPLY UNIT 14LV conn. B/2 and STROBE-LIGHT 16LV conn. A/2,
PWR SPLY UNIT 14LV conn. B/3 and STROBE-LIGHT 16LV conn. A/3 (Ref.
ASM 33-48/01).
C. If the test confirms the fault in the TAIL CONE STROBE:
- replace the LIGHT-STROBE, TAIL CONE 19LV (Ref. AMM TASK 33-48-13-000-001) and (Ref. AMM TASK 33-48-13-400-001).
(1) If the fault continues:
- replace the PWR SPLY UNIT-TAIL CONE STROBE LIGHT (18LV) (Ref. AMM TASK 33-48-38-000-001) and (Ref. AMM TASK 33-48-38-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞33-48-00∞∞∞∞∞∞∞∞∞∞Page 204
Feb 01/98 CES
(2) If the fault continues:
- do a check of the PWR SPLY-RELAY 12LV and replace it if necessary.
(3) If the fault continues:
- do a check and repair the wiring between: CB 10LV conn. A2 and PWR SPLY-RELAY 12LV conn. A/A2, CB 10LV conn. B2 and PWR SPLY-RELAY 12LV conn. A/B2, CB 10LV conn. C2 and PWR SPLY-RELAY 12LV conn. A/C2,
PWR SPLY-RELAY 12LV conn. A/A1 and PWR SPLY UNIT 18LV conn. A/1,
PWR SPLY-RELAY 12LV conn. A/B1 and PWR SPLY UNIT 18LV conn. A/2,
PWR SPLY-RELAY 12LV conn. A/C1 and PWR SPLY UNIT 18LV conn. A/3,
GND and PWR SPLY UNIT 18LV conn. A/12,
GND and PWR SPLY UNIT 18LV conn. A/14,
PWR SPLY UNIT 18LV conn. B/1 and STROBE-LIGHT 19LV conn. A/1,
PWR SPLY UNIT 18LV conn. B/2 and STROBE-LIGHT 19LV conn. A/2,
PWR SPLY UNIT 18LV conn. B/3 and STROBE-LIGHT 19LV conn. A/3 (Ref.
ASM 33-48/01).
D. Do the test as given in the Para. 3.A .
5. Close-up
________
A. Put the aircraft back to its initial configuration.
TASK 33-48-00-810-803
Beacon Lights - The Upper Anti-Collision Beacon Light does not flash
1. Possible Causes
_______________
- LIGHT-BEACON, UPPER (7LV)
- PWR SPLY UNIT-UPPER BEACON (3LV)
- PWR SPLY-RELAY (8LV)
- EX LT BEACON-SWITCH (2LV)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 33-48-00-710-001 Operational Test of the Anti-Collision/Strobe Lighting AMM 33-48-11-000-001 Removal of the Upper Beacon/Strobe Light 7LV from the Outside of the Fuselage AMM 33-48-11-400-001 Installation of the Upper Beacon/Strobe Light 7LV
from the Outside of the Fuselage AMM 33-48-36-000-001 Removal of the Power Supply Unit 3LV AMM 33-48-36-400-001 Installation of the Power Supply Unit 3LV ASM 33-48/01
3. Fault Confirmation
__________________
A. Do the operational test of the Anti-Collision/Strobe Lighting and confirm that the upper anti-collision beacon light does not flash (Ref. AMM TASK 33-48-00-710-001).
4. Fault Isolation
_______________
A. If the test confirms the fault:
- replace the LIGHT-BEACON, UPPER (7LV) (Ref. AMM TASK 33-48-11-000-001) and (Ref. AMM TASK 33-48-11-400-001).
(1) If the fault continues:
- do a check for 200 VAC at the PWR SPLY UNIT 3LV connectors A/1, A/2 and A/3 (Ref. ASM 33-48/01).
(a) If there is approx. 200 VAC:
- replace the PWR SPLY UNIT-UPPER BEACON (3LV) (Ref. AMM TASK 33-48-36-000-001) and (Ref. AMM TASK 33-48-36-400-001).
(b) If there is no 200 VAC:
- do a check of the PWR SPLY-RELAY (8LV) and replace it if necessary.
(2) If the fault continues:
- do a check of the EX LT BEACON-SWITCH (2LV) and replace it if necessary.
(3) If the fault continues:
- do a check and repair the wiring between: CB 1LV conn. A2 to PWR SPLY-RELAY 8LV conn. A/A2, CB 1LV conn. B2 to PWR SPLY-RELAY 8LV conn. A/B2, CB 1LV conn. C2 to PWR SPLY-RELAY 8LV conn. A/C2, CB 1LV conn. C2 to EXT LT BEACON-SWITCH 2LV conn. 1A,
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