TASK 49-00-00-080-002
Removal of the APU Hoist Tool (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 access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 24-42-00-861-001 Energize the Ground Service Network from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 49-11-11-400-001 Installation of the Auxiliary Power Unit (APU) -4005KM (GTCP 36-300) 49-52-41-000-003 Removal of the Oil-Cooler Outlet-Duct (8052KM) (131-9(A)) 49-52-41-400-001 Installation of the Oil-Cooler Outlet-Duct (8052KM)
(GTCP 36-300) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 52-41-21-400-001 Installation of the APU Access Door 315AL 49-00-00-991-009 Fig. 202 49-00-00-991-010 Fig. 203
3. Job Set-up
__________ Subtask 49-00-00-860-057
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3)
Make sure that the warning notices are on panel 25VU 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 access doors 315AL and 316AR.
(6)
Make sure that the APU access doors 315AL and 316AR are open (Ref. TASK 52-41-00-010-001).
(7)
Make sure that the LIGHT SW 11LJ is set to ON.
(8)
Make sure that the oil-cooler outlet duct is removed (Ref. TASK 49-52-41-000-003).
Subtask 49-00-00-865-086
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged 1KD, 2KD, 1WF, 2WF, 3WF, 4WF.
4. Procedure
_________
WARNING : OBEY THE HOISTING SAFETY PROCEDURES.
_______ MAKE SURE THAT THE HOIST IS ASSEMBLED AND ATTACHED CORRECTLY BEFORE YOU PUT A LOAD ON IT. OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE HOIST. IF THE HOIST IS IN AN INCORRECT CONDITION THE LOAD CAN MOVE ACCIDENTALLY AND KILL PERSONS OR CAUSE INJURY.
CAUTION : MAKE SURE THAT THE THREE ATTACHMENT NUTS ARE INSTALLED AND
_______ CORRECTLY TORQUED BEFORE YOU DISCONNECT THE HOIST. IF YOU DO NOT DO THIS, YOU CAN CAUSE DAMAGE TO THE TIE RODS.
Subtask 49-00-00-080-051
A. Removal of the HOIST - MINILIFT (10)
(Ref. Fig. 202/TASK 49-00-00-991-009)
NOTE : Do the subsequent steps of this paragraph if the load compressor
____ scroll installed has not the following P/N 2810315-3. This are APU'S:
-with P/N 3800278-3 and CHANGE NO. 122 incorporated.
-
from P/N 3800278-3 SERIES NO. 12.
-
from P/N 3800278-3 SERIES NO. 11 CHANGE NO. 122 incorporated.
(1)
Make sure that the APU is correctly installed and the APU mount nuts are correctly torqued (Ref. TASK 49-11-11-400-001).
(2)
Disconnection of the HOIST - MINILIFT (10) from the APU
(a)
Turn the upper drum shaft of the HOIST - MINILIFT (10) in a counterclockwise direction until you have removed the tension from the cable (3).
(b)
Remove the quick release pin (6) and disconnect the shackle (5) from the adapter of the APU (9).
(c)
Remove the quick release pin (4) and disconnect the shackle (5) from the cable (3) of the HOIST - MINILIFT (10).
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