______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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. 03-002 GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
Material No. 04-012 USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
packing 49-42-04 50A-080
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-42-51-400-003 Installation of the Starter Motor (8KA) (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-42-52-991-002 Fig. 401
3. Job Set-up
__________
Subtask 49-42-52-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(2)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(3)
Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
(5)
Make sure that the access platform is in position below the APU compartment.
(6)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
(7)
Make sure that the LIGHT control switch 11LJ is set to the on position.
Subtask 49-42-52-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
4. Procedure
_________ Subtask 49-42-52-910-054
A. Preparation for Installation
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Apply COMMON GREASE (Material No. 04-012) to the new packing (4).
(4)
Install the new packing (4) on the bearing support assembly (3).
(5)
Apply OILS (Material No. 03-002) to the bolts (1) and to the location pin (5).
Subtask 49-42-52-420-052
B. Installation of the Starter Motor Clutch CAUTION : -YOU MUST NOT INCREASE THE TIGHTENING TORQUE MORE THAN THE
_______ MAXIMUM VALUE. -APPLY ALL TIGHTENING TORQUES WITH A TORQUE WRENCH OR A CALIBRATED SCREWDRIVER.
(Ref. Fig. 401/TASK 49-42-52-991-002)
(1)
Push the starter motor clutch (6) into the gearbox.
(2)
Put the bearing support assembly (3) in position on the gearbox and align it with the location pin (5).
(3)
Attach the bearing support assembly (3) on the gearbox with the bolts
(1) and the washers (2).
(4)
TORQUE the bolts (1) by steps in the sequence shown to between 46 and
51 lbf.in (0.51 and 0.57 m.daN).
(5)
Install the starter motor (Ref. TASK 49-42-51-400-003).
5. Close-up
________ Subtask 49-42-52-410-053
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control switch 11LJ to the off position.
(3) 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 机载辅助动力 AIRBORNE AUXILIARY POWER4(117)
