(2)
25-21-01/401, Main Deck Sidewall Linings and Dado Panels
(3)
25-21-04/401, Sidewall and Ceiling Insulation
(4)
25-59-01/401, Main Deck Compartment Cargo Lining Panels
B. Access
(1) Location Zones
210 Main Deck
C. Procedure
S 016-008
CAUTION: LET THE SOLVENTS FROM THE CORROSION-INHIBITING COMPOUND (CIC)
_______ FULLY EVAPORATE. IF CIC GETS ON THE INSULATION BLANKETS BEFORE THE SOLVENTS EVAPORATE, THE INSULATION BLANKET WILL BECOME LESS FLAME-RESISTANT. APPLY CIC (BMS 3-23, BMS 3-26, BMS 3-29, OR EQUIVALENT) ONLY TO METALLIC AIRPLANE COMPONENTS.
(1) If Corrosion-inhibiting Compounds (CIC) contamination of insulation blankets occurs, adhere to the following steps:
(a)
Replace the insulation blanket if CIC contamination occurs along a seam.
(b)
For all areas except along seams, remove the CIC with Biogenic SE377C, Aliphatic Naphtha, Citra-Safe, or equivalent.
NOTE: If the CIC cannot be removed, replace the blanket.
____
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A 747-400 MAINTENANCE MANUAL
(2) S 436-009In order to prevent Corrosion-inhibiting compounds (CIC) contamination of insulaton blankets, obey the following steps prior to blanket installation:
NOTE:____ Adjust the following steps ventilation times upward to achieve satisfactory drying depending on the temperature, humidity, and quantity of CIC.
(a) (b) Ventilate areas, after application of CIC such as BMS 3-23, for a minimum of 1 hour.Ventilate areas treated with CIC such as BMS 3-26 or BMS 3-29 for a minimum of 4 hours.
(3) S 216-011Inspect the exposed insulation blankets in the area from the nose to the first door.
(4) S 016-004Remove the sidewall lining panels and/or cargo lining panels for access to the insulation blankets, as necessary (Ref 25-21-01/401 and/or 25-59-01/401).
(5) S 216-004Make sure the insulation blankets are not loose, wet, or damaged.
(6) S 346-005Repair damaged insulation blankets, if necessary (Ref 25-00-00/801).
(7) S 966-004Replace wet or damaged insulation blankets, as necessary (Ref 25-21-04/401).
(8) S 416-006Install the sidewall lining panels and/or cargo lining panels if removed (Ref 25-21-01/401 and/or 25-59-01/401).
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2.
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A
747-400 MAINTENANCE MANUAL
EMERGENCY EQUIPMENT - DESCRIPTION AND OPERATION
_______________________________________________
General
_______
A. The emergency equipment installed in the flight compartment and upper deck consists of the following:
(1)
Emergency escape systems
(2)
Life saving flotation equipment
(3)
Emergency evacuation signaling equipment
(4)
Loose or detachable emergency equipment
(5) Smoke evacuation equipmentEmergency Escape Systems (Fig. 1)
________________________
A. Emergency escape systems are installed for crew evacuation from the upper deck and flight compartment. The emergency escape systems consist of the following equipment:
(1)
Flight compartment descent devices (AMM 25-61-00/001)
(2)
Upper deck floor-mounted escape slides (AMM 25-68-00/001)
B. Emergency evacuation descent devices for flight crew use are installed in the flight compartment above the first observer's console. The descent devices deploy through the overhead escape hatch in the ceiling and extend to the ground for flight crew emergency evacuation from the flight compartment. Flight crew evacuation through the overhead escape hatch using the descent devices is a secondary escape route which is to be used only when the flight deck door escape route cannot be used. For further information on descent devices refer to 25-61-00/001.
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