(0.40 to 2.60 m.daN)
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-002 USA MIL-PRF-5624 GRADE JP4 FUEL, TURBO (Ref. 20-31-00)
Material No. 03-002 GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
Material No. 06-001A USA MIL-L-23398 SOLID FILM LUBRICANT AIR DRYING (Ref. 20-31-00)
C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
3 packing 28-22-04 11 -260
18 packing 49-32-04 50 -030
19 packing 49-32-04 50 -040
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
28-22-00-710-001 Operational Test of the APU Fuel-Pump System on Ground to Purge the Fuel Line 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-00-00-710-008 Operational Test of the APU (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-32-11-991-003 Fig. 401
3. Job Set-up
__________
Subtask 49-32-11-860-050
A. Aircraft Maintenance Configuration
(1)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(2)
Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
(3)
Make sure that hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the access platform is positioned below the APU compartment.
(5)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
Subtask 49-32-11-865-059
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
_________
(Ref. Fig. 401/TASK 49-32-11-991-003) Subtask 49-32-11-910-062
A. Preparation for Installation
(1)
Do an inspection of the component interface and/or the adjacent area.
(2)
Lubricate the new packings packing (18) and packing (19) with OILS (Material No. 03-002).
(3)
Install the packing (18) on the FCU splined drive-shaft. NOTE : Make sure that the packing (18) is installed correctly. Make
____ sure that the packing is installed in the second recess, further toward the FCU housing.
(4)
Install the packing (19) on the FCU mount boss groove.
(5)
Remove all blanks caps and plugs from the FCU. Subtask 49-32-11-420-052
B.
Installation of the FCU.
CAUTION : YOU MUST USE TWO WRENCHES AND HOLD THE COMPONENT WHEN YOU
_______ REMOVE/INSTALL THE PIPE COUPLINGS AND/OR UNIONS. THIS PREVENTS DAMAGE TO THE COMPONENT.
CAUTION : DO NOT TORQUE THE V-CLAMP(S) TO MORE THAN THE SPECIFIED VALUE.
_______
YOU CAN DAMAGE THE FLANGE SURFACES IF YOU DO.
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.
(1)
Position the FCU on the gearbox mount pad location dowel, support the FCU and install the V-Band clamp (20).
(2)
TORQUE the V-band clamp (20) to 60 lbf.in (0.67 m.daN).
(3)
Remove the blanking caps from the ends of the tubes (6), (13) and
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