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______________________ A. Fixtures, Tools, Test and Support Equipment -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION ------------------------------------------------------------------------------- No specific blanking caps No specific blanking plugs No specific circuit breaker(s) safety clip(s) No specific platform 3.5 m (11 ft. 6 in.)
B. Referenced Information -------------------------------------------------------------------------------REFERENCE DESIGNATION ------------------------------------------------------------------------------- 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 52-41-00-010-001 Open the APU Doors for Access 49-51-13-991-001 Fig. 401
3. Job Set-up __________ Subtask 49-51-13-860-050 A. Aircraft Maintenance Configuration (1) Energize the ground service network (Ref. TASK 24-41-00-861-002).
(2) On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is OFF.
(3) Put the warning notices on panel 25VU to tell persons not to start the APU.
(4) Make sure that hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
Subtask 49-51-13-865-050 B. Open, safety and tag this(these) circuit breaker(s): -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 Subtask 49-51-13-010-050 C. Get Access (1) Put the platform below the APU access doors.
(2) Open the APU access doors 315AL, 316AR and safety them in the open position (Ref. TASK 52-41-00-010-001).
(3) Set the LIGHT control switch 11LJ to the on position.
4. Procedure _________ (Ref. Fig. 401/TASK 49-51-13-991-001) Subtask 49-51-13-020-050 A. Removal of the Pneumatic Sensor Assy (1) Disconnection of the electrical connectors (15) and (17).
(a) Disconnect the electrical connectors (15) and (17) from the total pressure transducer and differential pressure transducer.
(b) Put blanking caps on the disconnected electrical connectors.
(2) Disconnect the tube (13) from the static sensor assy (11).
(a) Remove and discard the lockwire from the bolt (3).
(b) Remove the bolt (3), the washer (2) and the retainer (1) from the static sensor assy (11).
(c) Move the hose (13) away from the static sensor assy (11).
(d) Remove and discard the packing (12).
(e) Put blanking plugs on the disconnected hose end.
(3) Disconnect the pneumatic sensor assy (14) from the bleed duct
(a) Remove the bolt (4) from the bracket assy (9).
(b) Remove the bolts (6) NOTE : After the removel of the bolts (6) the flow sensor (7) is
____ only kept in position through the tubes (5) and (8).
(c) Remove the bolt (10) connecting the bracket assy (9) to the bleed duct.
NOTE : Prevent a uncontrolled movement of the pneumatic sensor ____ assy (14) after the removal of the bolt (10). (4) Remove the pneumatic sensor assy (14).
(5) Remove and discard the gasket (16).
Pneumatic Sensor Assy Figure 401/TASK 49-51-13-991-001 R EFF : 001-003, 051-099, 401-499, 49-51-13 Page 404 Aug 01/05 CES
TASK 49-51-13-400-001 Installation of the Pneumatic Sensor Assy (GTCP 36-300)
1. Reason for the Job __________________ Self Explanatory 2. Job Set-up Information ______________________ A. Fixtures, Tools, Test and Support Equipment -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION ------------------------------------------------------------------------------- No specific Torque Wrench : range 0.00 to 1.20 m.daN (0.00 to 9.00 lbf.ft) B. Consumable Materials -------------------------------------------------------------------------------REFERENCE DESIGNATION ------------------------------------------------------------------------------- www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM 机载辅助动力 AIRBORNE AUXILIARY POWER5
