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--Feb 01/05R ---CES -
Loss of the Coupling between the HP Bleed Valve of the Engine 1 and the Related Closure Control Solenoid
1. Possible Causes
_______________
-VALVE-HP BLEED (4000HA)
-
SOL-HP BLEED OVERRIDE, ENG1 (11HA1)
-
SOL-HP BLEED VALVE CLOSURE CONTROL (4029KS)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 36-11-51-000-010 Removal of the High Pressure Bleed Valve (4000HA) AMM 36-11-51-400-010 Installation of the High Pressure Bleed Valve (4000HA) AMM 36-11-57-000-001 Removal of the High Pressure (HP) Bleed Valve Closure Control Solenoid (4029KS) AMM 36-11-57-400-001 Installation of the High Pressure (HP) Bleed Valve Closure Control Solenoid (4029KS) AMM 36-11-58-000-001 Removal of the HP Bleed Override Solenoid (11HA1, 11HA2) AMM 36-11-58-400-001 Installation of the HP Bleed Override Solenoid (11HA1, 11HA2)
3. Fault Confirmation
__________________
A. Not applicable.
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
A. If the fault symptom is identified by the maintenance message: HP BLEED-V 4000HA1 OR SOLENOID 4029KS1
-do a check and clean the sense line between the HP bleed valve (4000HA), the HP bleed valve closure control-solenoid (4029KS) and the bleed pressure-regulator valve (4001HA).
(1)
If the connections are not correct:
-repair them.
(2)
If the connections are correct:
-replace the VALVE-HP BLEED (4000HA) (Ref. AMM TASK 36-11-51-000-010) and (Ref. AMM TASK 36-11-51-400-010).
1 -EFF : ALL
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--May 01/05 ---CES - (3) If the fault continues:
-replace the SOL-HP BLEED VALVE CLOSURE CONTROL (4029KS) (Ref. AMM TASK 36-11-57-000-001) and (Ref. AMM TASK 36-11-57-400-001).
R **ON A/C 151-199, 401-499,
A. If the fault symptom is identified by the maintenance message: HP BLEED-V 4000HA1 OR SOLENOID 11HA1
-do a check and clean the sense line between the HP bleed valve (4000HA), the Soleno d HP Bleed Override (11HA1) and the bleed pressure-regulator valve (4001HA).
(1)
If the connections are not correct:
-repair them and refer to Para. B
(2)
If the connections are correct:
-replace the VALVE-HP BLEED (4000HA) (Ref. AMM TASK 36-11-51-000-010) and (Ref. AMM TASK 36-11-51-400-010).
(3)
If the fault continues:
-replace the SOL-HP BLEED OVERRIDE, ENG1 (11HA1) (Ref. AMM TASK 36-11-58-000-001) and (Ref. AMM TASK 36-11-58-400-001).
**ON A/C ALL
B. After the subsequent flight, make sure that the fault does not continue.
1 -EFF : ALL
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--Aug 01/05 ---CES - Loss of the Coupling between the HP Bleed Valve of the Engine 2 and the Related Closure Control Solenoid
1. Possible Causes
_______________
-VALVE-HP BLEED (4000HA)
-
SOL-HP BLEED OVERRIDE, ENG2 (11HA2)
-
SOL-HP BLEED VALVE CLOSURE CONTROL (4029KS)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 36-11-51-000-010 Removal of the High Pressure Bleed Valve (4000HA) AMM 36-11-51-400-010 Installation of the High Pressure Bleed Valve (4000HA) AMM 36-11-57-000-001 Removal of the High Pressure (HP) Bleed Valve Closure Control Solenoid (4029KS) AMM 36-11-57-400-001 Installation of the High Pressure (HP) Bleed Valve Closure Control Solenoid (4029KS) AMM 36-11-58-000-001 Removal of the HP Bleed Override Solenoid (11HA1, 11HA2) AMM 36-11-58-400-001 Installation of the HP Bleed Override Solenoid (11HA1, 11HA2)
3. Fault Confirmation
__________________
A. Not applicable.
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