(2)
Shutdown the APU (4005KM) (Ref. TASK 49-00-00-860-004).
(3)
Look at the IGV's through the inlet plenum, if the IGV's are flat (closed), do the removal procedure steps in para. B. If the IGV's are not flat (open), do the following removal procedure steps (4) to (22).
(4)
Disconnect the electrical connection (12).
(5)
Put blanking caps on the disconnected electrical connectors.
(6)
Put the container 2.0 L in position below the inlet guide vane-actuator (8014KM) (11).
(7)
Remove the screws (6) which attach the plate (5) to the inlet guide vane-actuator (8014KM) (11).
(8)
Remove the plate (5) which attaches the fuel pipes to the inlet guide vane-actuator (8014KM) (11).
(9)
Disconnect the fuel pipes (7) and (9) from the inlet guide
vane-actuator (8014KM) (11).
(10)
Disconnect the fuel drain pipe (4) from the inlet guide vane-actuator (8014KM) (11).
(11)
Remove and discard the O-rings (8) and (10) from the fuel pipes (7) and (9).
(12)
Put blanking plugs on the disconnected line ends.
(13)
Remove the two lower bolts (3).
(14)
Loosen the upper bolt (3).
(15)
Attach a spring balance to the IGVA (8014KM).
(16)
Pull on the spring balance/IGVA and note the force required to move the IGV's. The force necessary to move the IGV's must not be more than 30 lb (13.6077 kg). If more is necessary then reject the APU.
(17)
Remove the upper bolt (3).
(18)
Carefully pull out the inlet guide vane-actuator (8014KM) (11) and move to the side to disengage the IGV clevis (1) from the IGV operating linkage.
(19)
If there is not enough clearance, remove the lower half of the compressor inlet duct as follows:
(a)
Apply alignment marks to both inlet plenum halves in relation to the APU power section casing.
(b)
Disconnect electrical connector P22 from the inlet pressure sensor, release the wiring harness attachment clips.
(c)
Release the four clips that attach the lower to the upper half of the inlet duct.
(d)
Remove the inlet plenum lower duct half.
(e)
Remove the upper bolt (3) and remove the IGVA (8014KM).
(20)
Put blanking plugs on the disconnected line ends.
(21)
Use the flats of a spanner to hold the inlet-guide vane-actuator rod
and remove the IGV clevis (1).
(22)
Keep the IGV clevis (1) to install on the new inlet guide vane-actuator (8014KM) (11).
TASK 49-23-51-400-002 Installation of the Inlet Guide Vane-Actuator (8014KM) (GTCP 36-300) 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) No specific Torque Wrench : range 0.00 to 1.20 m.daN
(0.00
to 9.00 lbf.ft) T8339043 1 IGV POSITIONER 834150-2 1 FIXTURE - ADJUSTMENT, IGV
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 03-002 GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
8 O-rings 49-23-04 01A-230 10 O-rings 49-23-04 01A-220 D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power 28-00-00-910-001 Fuel Safety Procedures 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
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