-
a decorative cover.

 **ON A/C 301-399,
 Each escape facility has at the FWD/AFT passenger/crew Doors:
 -a two chamber inflatable assembly,
 -an inflation system,
 -
a pack asembly,

 -
a decorative cover.
 and at the FWD/AFT emergency doors:

 -
an inflatable assembly,

 -
an inflation system.

 NOTE : The inflatable assembly and inflation system are divided. The
____ inflation reservoir is installed above the door, and the inflatable assembly is installed below the door.
 **ON A/C 001-002,
 (1) The inflatable assembly is made of urethane-coated nylon, which is flame resistant. The material is cut into panels and bonded together to make the pneumatic tube assemblies and slipway areas.
R **ON A/C 003-049, 051-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (1)
 The two chamber inflatable assembly is made of urethane-coated nylon, which is flame resistant. The material is cut into panels and bonded together to make the pneumatic tube assemblies and slipway areas.

 (2)
 The inflation system has:

 **ON A/C ALL
 EFF : ALL
25-62-00Page 26

 **ON A/C 001-002,
 -an inflation reservoir (Nitrogen/Carbon Dioxide),
 -a valve/regulator assembly,
 -an aspirator.
R **ON A/C 003-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 -an inflation reservoir (Nitrogen/Carbon Dioxide),
 -a valve/regulator assembly,
 -two aspirators.
 **ON A/C 301-399,
 -an inflation reservoir (Nitrogen/Carbon Dioxide),
 -a valve/regulator assembly,
 -
two aspirators (1 for each chamber at the FWD/AFT passenger/crew doors),

 -
two aspirators (FWD/AFT emergency doors).

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (a) The inflation reservoir is made of seamless aluminum. A gage shows the inflation reservoir pressure through a window in the decorative cover.
 **ON A/C 301-399,
 (a) The inflation reservoir is made of seamless aluminum. At the FWD/AFT passenger/crew doors a gage shows the inflation reservoir pressure through a window in the decorative cover of the escape slide. At the FWD/AFT emergency exits, access to the inflation reservoir pressure-gage is through the overhead stowage compartment.
 **ON A/C ALL
 (b) The valve/regulator assembly controls the gas flow from the inflation reservoir to the aspirator.
 EFF : ALL
25-62-00Page 27

 (c) The aspirator is made of fiber-reinforced plastic and has:
 -an inlet assembly,
 -
a flexible hose assembly,

 -
a flapper valve assembly.

 1 The inflation reservoir supplies gas to the inflatable
_ assembly through the aspirator inlet assembly when the inflation system is activated.
 2 The flexible hose assembly connects the inflation reservoir to
_
 the inlet assembly.

 3 Flapper valves installed in the aspirator operate as a one-way
_ check valve for inlet air. The fast expansion of gas in the aspirator when the inflation system is activated causes the flapper valves to open. They open because of the induction effect from gas movement into the inflatable assembly and let ambient air into the aspirator. System inflation is faster when the air and gas mix and decreases the size (capacity) necessary for the reservoir.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (3)
 The pack assembly holds the inflatable assembly and the inflation system in position on the door.

 (4)
 The decorative cover protects the pack assembly when it is installed on the door. It has a color scheme that agrees with the cabin interior.

 **ON A/C 301-399,
 (3)
 At the FWD/AFT passenger/crew doors, the packboard assembly holds the inflatable assembly and the inflation system in position on the door. At the FWD/AFT emergency doors, the pack assembly holds the inflatable assembly in position below the door. The pack assembly is installed in a stowage compartment in the fuselage.

 (4)
 At the FWD/AFT passenger/crew doors, a decorative cover protects the pack assembly when it is installed on the door. It has a color scheme that agrees with the cabin interior.

 EFF : ALL
25-62-00Page 28

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 B. Offwing Escape Facilities
　
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