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CES TASK 49-00-00-080-003
Removal of the APU Hoist Tool (131-9(A))
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 -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network 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 49-11-11-400-004 Installation of the Power Plant (APU) (131-9(A)) 49-52-41-000-003 Removal of the Oil-Cooler Outlet-Duct (8052KM)
(131-9(A)) 49-52-41-400-003 Installation of the Oil-Cooler Outlet-Duct (8052KM)
(131-9(A)) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-00-00-991-012 Fig. 202
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CES 3. Job Set-up
__________ Subtask 49-00-00-860-086
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 49-00-00-865-096
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged 1KD, 2KD, 1WF, 2WF, 3WF, 4WF.
4. Procedure
_________ (Ref. Fig. 202/TASK 49-00-00-991-012) Subtask 49-00-00-080-053
A. Removal of the HOIST - MINILIFT
(Ref. Fig. 202/TASK 49-00-00-991-012)
(1) Make sure that the APU is correctly installed and the APU mount nuts are correctly torqued (Ref. TASK 49-11-11-400-004).
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CES
(2) Disconnection of the HOIST - MINILIFT from the APU NOTE : Remove the Mini-Hoist Lift carefully. If you do not, you can
____ cause damage to the Exit-Fan Duct Assembly of the Oil Cooler.
(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).
(3) Removal of the HOIST - MINILIFT from the APU compartment
(a)
Hold the HOIST - MINILIFT (10) in position. Then remove the quick release pin (8) from the bearing assy (7) on the LH side of the APU compoartment.
(b)
Hold the HOIST - MINILIFT (10) in position. Then remove the quick release pin (2) from the APU hoist bracket (1) on the top firewall of the APU compartment.
(c)
Remove the HOIST - MINILIFT (10) from the APU compartment.
(d)
Install the quick release pins (2) and (8) temporarily on the HOIST - MINILIFT (10).
5. Close-up
________ Subtask 49-00-00-410-068
A. Close Access
(1)
Install the APU oil cooler outlet-duct (Ref. TASK 49-52-41-400-003)
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