R **ON A/C 401-499,
R (Ref. Fig. 004D)
R **ON A/C 151-199,
R (Ref. Fig. 005C)
R **ON A/C 401-499,
R (Ref. Fig. 005D)
R **ON A/C 151-199, 401-499,
-------------------------------------------------------------------------------FIN I FUNCTIONAL DESIGNATION I PANELIZONEIACCESS I ATA
I I I I DOOR I REF. -------------------------------------------------------------------------------1HA1 BMC-1 95VU 121 811 36-11-34 1HA2 BMC-2 96VU 122 811 36-11-34 5HA1 VALVE-OVERPRESSURE, ENG 1 453 36-11-53 5HA2 VALVE-OVERPRESSURE, ENG 2 463 36-11-53 6HA1 SENSOR-EXCHANGER OUT TEMP ENG 1 471 36-11-17 6HA2 SENSOR-EXCHANGER OUT TEMP ENG 2 481 36-11-17 7HA1 XDCR-BLEED TRANSFER PRESS, ENG 1 415 36-11-15 7HA2 XDCR-BLEED TRANSFER PRESS, ENG 2 425 36-11-15 8HA1 XDCR-BLEED REGULATED PRESS, ENG 1 415 36-11-16 8HA2 XDCR-BLEED REGULATED PRESS, ENG 2 425 36-11-16 9HA1 VALVE-FAN AIR, ENG1 453 36-11-54 9HA2 VALVE-FAN AIR, ENG2 463 36-11-54 10HA1 SOLENOID-BLEED PRESS REG V CTL, 413 36-11-55
ENG 1 10HA2 SOLENOID-BLEED PRESS REG V CTL, 423 36-11-55
R 1EFF : 151-199, 401-499, 1 36-11-00Page 30 1 1 Aug 01/05 1 1 1CES 1
Electrical Schematic - Engine 2
Figure 005C
R 1EFF : 151-199, 1 36-11-00Page 31/32 1 1 Aug 01/05 1 1 1CES
1
INTENTIONALLY BLANK
R 1 1
36-11-00Page 33
1 1 Aug 01/05 1 1 1CES 1
R Electrical Schematic - Engine 2
R Figure 005D (SHEET 1)
1EFF : 401-499, 1 36-11-00 Page 34
1 1 Aug 01/05
1 1
1CES 1
R Electrical Schematic - Engine 2
R Figure 005D (SHEET 2)
R 1EFF : 401-499, 1 36-11-00 Page 35
1 1 Aug 01/05
1 1
1CES 1
-------------------------------------------------------------------------------FIN I FUNCTIONAL DESIGNATION I PANELIZONEIACCESS I ATA I I I I DOOR I REF. -------------------------------------------------------------------------------
ENG 2
4000HA VALVE-HP BLEED (ENG 1)
4000HA VALVE-HP BLEED (ENG 2)
4001HA VALVE-BLEED PRESS REG (ENG 1)
4001HA VALVE-BLEED PRESS REG (ENG 2)
7110HM CHECK VALVE-IP BLEED (ENG 1)
7110HM CHECK VALVE-IP BLEED (ENG 2)
7150HM1 EXCHANGER-BLEED AIR PRECOOLER
7150HM2 EXCHANGER-BLEED AIR PRECOOLER
7170HM1 THERMOSTAT-FAN AIR VALVE CONTROL
7170HM2 THERMOSTAT-FAN AIR VALVE CONTROL
11HA1 SOL HP BLEED OVERRIDE, ENG 1
11HA2 SOL HP BLEED OVERRIDE, ENG 2
12HA1 RELAY CTL, ENG 1 HP BLEED OVRD SOL
12HA2 RELAY CTL, ENG 2 HP BLEED OVRD SOL
450 451AL 36-11-51460 461AL 36-11-51450 451AL 36-11-52460 461AL 36-11-52450 451AL 36-11-41460 461AL 36-11-41410 413DL 36-11-42420 423DL 36-11-42410 413DL 36-11-43420 423DL 36-11-43415 36-11-58425 36-11-58121 36-11-00122 36-11-00
NOTE : Suffixes 1 and 2 can be added to FINs 4000HA,4001HA and 7110HM,to
____
identify the engine (i.e 4000HA1 for the engine 1 HP bleed valve). **ON A/C ALL
3. System Description
__________________
**ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
(Ref. Fig. 003) R **ON A/C 151-199, 401-499,
(Ref. Fig. 003A)
**ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
(Ref. Fig. 006) R **ON A/C 151-199, 401-499,
(Ref. Fig. 006A)
R 1EFF : ALL 1 36-11-00Page 36 1 1 Aug 01/05 1 1 1CES 1
Pneumatic System - Schematic
Figure 006
R 1EFF : 001-049, 051-099, 101-149, 201-299, 1 36-11-00Page 37/38 1301-399, 1Aug 01/05 1 1 1CES
Pneumatic System - Schematic
Figure 006A
R 1EFF : 151-199, 401-499, 1 36-11-00Page 39/40 1 1 Aug 01/05 1 1 1CES
1 **ON A/C ALL
(Ref. Fig. 007)
**ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
(Ref. Fig. 008)
R **ON A/C 151-199, 401-499,
(Ref. Fig. 008A)
**ON A/C ALL
Air is generally bled from an Intermediate Pressure (IP) stage of the engine High Pressure (HP) compressor to minimize engine pressure losses. This is the normal engine air-bleed configuration.
-
The IP stage is the 5th HP compressor stage. At low engine speeds, when the pressure from the IP stage is insufficient, air is automatically bled from a higher compressor stage (HP stage). This happens especially at some aircraft holding points and during descent, with engines at idle.
-
The HP stage is the 9th HP compressor stage. Transfer of air bleed is achieved by means of a pneumatically-operated butterfly valve, designated HP bleed valve (4000HA).
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