(3)
Remove the bolts (2) and remove the de-oiling solenoid valve (3).
(4)
Install a blank plug in the gearbox.
(5)
Remove and discard the packings (4) and (5) from the de-oiling solenoid valve (3).
De-oiling Solenoid Valve
Figure 401/TASK 49-91-49-991-002
CES TASK 49-91-49-400-002 Installation of the De-oiling Solenoid Valve (8083KM) (APS 3200) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
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 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 -------------------------------------------------------------------------------
4 packing 49-91-04 52A-030 5 packing 49-91-04 52A-040
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 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 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 49-91-49-991-002 Fig. 401
3. Job Set-up
__________
Subtask 49-91-49-860-050
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 49-91-49-865-056
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 49-91-49-991-002) Subtask 49-91-49-420-051
A. Installation of the De-oiling Solenoid Valve
(1)
Apply COMMON GREASE (Material No. 04-012) to the new packing (4) and packing (5).
(2)
Install the new packings (4) and (5) on the de-oiling solenoid valve (3).
(3)
Lubricate the bolts (2) with OILS (Material No. 03-002).
(4)
Install the de-oiling solenoid valve (3) with the bolts (2).
(5)
TORQUE the two bolts (2) to between 46 and 51 lbf.in (0.51 and 0.57 m.daN).
(6)
Remove the blanking caps from the electrical connectors.
(7)
Make sure that the electrical connectors are clean and in the correct condition.
(8)
Connect the electrical connector P15 (1) to the de-oiling solenoid valve (3).
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