(a) Make sure the light comes on correctly.
S 862-032
(2) Set the EMER LIGHTS switch to the OFF position.
(a) Make sure the emergency lights go off.
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A
747-400 MAINTENANCE MANUAL
SLIDE LIGHTS - MAINTENANCE PRACTICES
____________________________________
1. General_______
A. This procedure has these tasks:
(1)
Slide Light - Lamp Replacement
(2)
Slide Light - Removal
(3)
Slide Light - Installation
B. This procedure is for a slide light installed on the outer side of the fuselage.
TASK 33-51-10-962-001
2. Slide Light - Lamp Replacement______________________________
A. Access
(1) Location Zone
200 Upper Half of Fuselage
B. Lamp Replacement
S 862-032
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) On the overhead circuit breaker panel, P7: 1) 7G14, CHG EMER LT
S 032-011
(2)
Remove the screws and remove the lens.
(3)
Carefully replace the lamp.
S 962-012
NOTE: Install the lamp with the filament parallel to the lens.
____
S 162-013
(4)
Clean the lens and the gasket.
(5)
Install the lens with its screws.
S 432-014
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747-400 MAINTENANCE MANUAL
S 862-033
(6) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) On the overhead circuit breaker panel, P7: 1) 7G14, CHG EMER LT
C. Lamp Test
S 712-019
CAUTION: KEEP THE OPERATION OF THE EMERGENCY LIGHTS TO LESS THAN A ONE
_______ MINUTE TIME. THE BATTERIES THAT SUPPLY THE ELECTRICAL POWER TO THE EMERGENCY LIGHTS WILL ONLY OPERATE FOR 15 MINUTES WHEN FULLY CHARGED.
(1) On the pilot's overhead panel, P5,
set the EMER LIGHTS switch to the ON position.
(a) Make sure the new lamp comes on correctly.
S 862-018
(2) Set the EMER LIGHTS switch to the OFF position.
(a) Make sure the emergency lights go off.
TASK 33-51-10-002-003
3. Slide Light - Removal_____________________
A. Access
(1) Location Zone
200 Upper Half of Fuselage
B. Light Assembly Removal
S 862-034
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) On the overhead circuit breaker panel, P7: 1) 7G14, CHG EMER LT
S 032-015
(2)
Remove the screws and remove the lens.
(3)
Disconnect the electrical wires.
(4)
Remove the screws and the remove the light assembly.
S 032-016
S 022-020
TASK 33-51-10-402-005
4. Slide Light - Installation__________________________
A. Consumable Materials
(1)
A00247 Compound - Sealing - BMS 5-95, Class B
(2)
B00083 Solvent - Aliphatic Naphtha - TT-N-95
B. Reference
(1) AMM 51-31-01/201, Seals and Sealing
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本文链接地址：747-400 AMM 飞机维护手册 灯 LIGHTS(145)
