Subtask 36-11-16-941-051
B. Safety Precautions
R R (1) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
R R R R R R (2) On the AIR COND panel 30VU: - make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on) - make sure that the APU BLEED pushbutton switch is released (the ON legend is off) - put a warning notice in position to tell persons not to operate the pneumatic system.
R R (3) On the ENG panel 115VU: - put a warning notice in position to tell persons not to start the engine 1(2).
R R (4) On the HP ground connector: - put a warning notice in position to tell persons not to pressurize the pneumatic system.
R R R R (5) On the ENG section of the panel 50VU: - make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off - put a warning notice in position to tell persons not to energize the FADEC system.
Subtask 36-11-16-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
FOR 8HA1 49VU AIR BLEED/ENG 1/CTL 49VU AIR BLEED/ENG 1/MONG FOR 8HA2 122VU AIR BLEED/ENG 2/CTL 122VU AIR BLEED/ENG 2/MONG 3HA1 2HA1 3HA2 2HA2 D12D11Z23Z22
Subtask 36-11-16-010-050
D. Get Access
R (1) Open the access doors: FOR 8HA1 415AL, 415AR FOR 8HA2 425AL, 425AR
(2) Put the access platform in position below the engine.
4. Procedure
_________
(Ref. Fig. 401/TASK 36-11-16-991-001)
Subtask 36-11-16-020-050-A
A. Removal of the Bleed Regulated Pressure Transducer NOTE : Use a second wrench to hold the union when you disconnect/connect
____
the pneumatic sense lines on the union.
(1)
Disconnect the electrical connector (1) from the pressure transducer (4).
(2)
Remove and discard the lockwire from the sense line (6).
(3)
Disconnect the sense line (6) from the coupling (5).
(4)
Remove the screws (3) and the washers (2).
(5)
Remove the pressure transducer (4).
(6)
Remove the coupling (5) from the pressure transducer (4).
(7)
Remove the packing (7) and discard it.
(8)
Put blanking caps on the disconnected electrical connectors.
(9)
Put blanking plugs on the disconnected line ends.
Bleed Regulated Pressure Transducer
Figure 401/TASK 36-11-16-991-001
1EFF : ALL 1 36-11-16 Page 404
1 1 Feb 01/98
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1CES 1
TASK 36-11-16-400-001
Installation of the Bleed Regulated Pressure Transducer (8HA1,8HA2)
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice No specific access platform 3.5 m (11 ft. 6 in.) No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 19-018 USA AMS 5687 LOCKWIRE 0.6 MM (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
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