---------------------- --------------- ----------------Surge Tank Burst-Disc Operation Pressures
Table 001
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Overpressure Protector - Surge Tank Figure 003
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R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
B. Overpressure Protector (On the Access Panel 540HB(640HB))
(Ref. Fig. 004)
The primary components of the overpressure protector are:
-
a body
-
a carbon disc (burst disc)
-an extension tube.
One end of the body has a mounting flange which attaches it to the access panel 540PB(640PB). The burst disc is located at the other end of the body and is held in place with a flange.
**ON A/C 301-399,
B. Overpressure Protector (On the Access Panel 540PB(640PB))
(Ref. Fig. 004A)
The primary components of the overpressure protector are:
-
a body
-
a carbon disc (burst disc)
-an extension tube.
One end of the body has a mounting flange which attaches it to the access panel 540HB(640HB). The burst disc is located at the other end of the body and is held in place with a flange.
**ON A/C ALL
If a difference between the external pressure and the internal pressure occurs (which is more than the permitted tolerance) the burst disc breaks.
The burst disc has a white cross painted on its lower side. When you can see this, the burst disc is not broken. The burst disc pressures are given in Table 002.
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Overpressure Protector - Wing-Tank Inner-Cell
Figure 004
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R Overpressure Protector - Wing Tank
R Figure 004A
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1 1 May 01/04
1 1
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-------------------------------------------------------
| Burst Disc | Pressure |
| Function | (BAR) (PSI) |
|----------------------|--------------------------------|
| Wing Tank | | |
| Atmosphere to Tank | 1.26 to 1.54 | 18.3 to 22.3 |
| Tank to Atmosphere | 1.26 to 1.54 | 18.3 to 22.3 |
---------------------- --------------- ----------------Wing Tank Burst-Disc Operation Pressures Table 002
C. Overpressure Protector 96QM (Center Tank)
(Ref. Fig. 005)
The primary components of the overpressure protector are:
-
a body
-
a carbon disc (burst disc)
-
a basket
-
a collecting grid.
The body has a mounting flange which connects the overpressure protector to the inner face of the LH RIB1. The burst disc is installed in the body between the collecting grid and the basket.
If a center tank to wing tank overpressure occurs, the burst disc breaks to release the pressure to the LH wing tank. The collecting grid prevents the movement of particles into the wing tank. The burst disc pressures are given in the Table 003.
-------------------------------------------------------------
| Burst Disc | Pressure |
| Function | (BAR) (PSI) |
|-----------------------------|-------------------------------|
| Center Tank to Wing Tank | 0.69 to 0.75 | 10.0 to 11.0 |
-------------------------------------------------------------Center Tank Burst-Disc Operation Pressure Table 003
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
D. Overpressure Protector 102QM(103QM)
(Ref. Fig. 006)
The primary components of the overpressure protector are:
-
a body
-
a carbon disc (burst disc)
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Overpressure Protector - Center Tank
Figure 005
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Overpressure Protector 102QM(103QM)
Figure 006
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-12-00Page 17 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM FUEL 燃油1(158)
