1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
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 warning notice
No specific container 10 l (2.6416 USgal)
No specific access 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
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
52-41-00-010-001 Open the APU Doors for Access
49-91-15-991-001 Fig. 401
3. Job Set-up
__________ Subtask 49-91-15-860-050
A. Aircraft Maintenance Configuration
(1)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(2)
Put a warning notice in the cockpit to tell persons not to start the APU.
(3)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-14-00-614-001).
(4)
Energize the ground service network
(Ref. TASK 24-41-00-861-002).
Subtask 49-91-15-865-050
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 49-91-15-010-050
C. Get Access
(1)
Put the access platform in position below the APU access doors 315AL, 316AR.
(2)
Open the access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the light switch 11LJ to on .
4. Procedure
_________
(Ref. Fig. 401/TASK 49-91-15-991-001) Subtask 49-91-15-020-050
A. Removal of the Differential Pressure Switch
(1)
Disconnect the electrical connector from the differential pressure switch (6).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Put a container below the oil filter housing (4).
(4)
Remove and discard the lockwire from the differential pressure switch (6).
(5)
Remove the differential pressure switch (6) from the oil filter housing (4).
(6)
Remove and discard the O-rings (5) and (7).
(7)
Put blanking plugs on the disconnected line ends.
Switch - Differential Pressure Figure 401/TASK 49-91-15-991-001
R EFF : 001-003, 051-099, 401-499, 49-91-15 Page 404 Aug 01/05
CES
TASK 49-91-15-400-001
Installation of the Oil Pump Differential Pressure - Switch (GTCP36-300)
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 warning notice No specific access platform 3.5 m (11 ft. 6 in.) No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
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. 19-010 USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
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