B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 49-52-41-000-003 Removal of the Oil-Cooler Outlet-Duct (8052KM)
(131-9(A)) 52-41-00-010-001 Open the APU Doors for Access 52-41-21-000-001 Removal of the APU Access Door 315AL 49-00-00-991-012 Fig. 202
3. Job Set-up
__________
Subtask 49-00-00-860-085
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)
Put the warning notices 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).
Subtask 49-00-00-865-095
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 121VU APU/FIRE/EXTIG/SQUIB/B 2WF L39 121VU APU/FIRE/EXTIG/SQUIB/A 1WF L38 121VU APU/FIRE/LP VALVE/NORM 4WF M42 121VU APU/FIRE/LP VALVE/STBY 3WF M41
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 207 201-210, Config-2 Aug 01/05
CES Subtask 49-00-00-010-064
C. Get Access
(1)
Put the access platform in position below the APU compartment.
(2)
Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
NOTE : The installation of the HOIST - MINILIFT is easier when the
____ access door 315AL is removed (Ref. TASK 52-41-21-000-001).
(3)
Set the LIGHT SW 11LJ to ON.
(4)
Remove the oil-cooler outlet duct (Ref. TASK 49-52-41-000-003).
4. Procedure
_________ Subtask 49-00-00-480-053
A. Installation of the HOIST - MINILIFT (A1-91-265)
(Ref. Fig. 202/TASK 49-00-00-991-012)
(1)
Do a check and make sure that the components of the HOIST - MINILIFT are in the correct condition.
(2)
Assemble the components of the HOIST - MINILIFT correctly. NOTE : Obey the instructions of the tool manufacturer when you do the
____ check and assemble the components of the HOIST - MINILIFT.
(3)
Install the HOIST - MINILIFT to the APU compartment. CAUTION : INSTALL THE MINI-HOIST LIFT CAREFULLY. IF YOU DO NOT, YOU
_______ CAN CAUSE DAMAGE TO THE EXIT-FAN DUCT ASSEMBLY OF THE OIL COOLER.
(a)
Remove the temporarily installed quick release pins (2) and (8) from the HOIST - MINILIFT.
(b)
Put the HOIST - MINILIFT (10) in the correct position. Then attach it with the quick release pin (2) to the APU hoist bracket
(1) on the top firewall of the APU compartment.
(c)
Put the HOIST - MINILIFT in the correct position. Then attach it with the quick release pin (8) to the bearing assy (7) on the LH side of the APU compartment.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 208 201-210, Config-2 Aug 01/05
CES
APU Hoist Installation
Figure 202/TASK 49-00-00-991-012
CES
(4)
Connection the of the HOIST - MINILIFT cable to the APU
(a)
Connect the shackle (5) to the cable (3) of the HOIST - MINILIFT with the quick release pin (4).
(b)
Connect the shackle (5) with the quick release pin (6) to the adapter of the APU (9).
(5)
Put the weight of the APU from the APU mounts onto the HOIST -MINILIFT.
CAUTION : DO NOT TURN THE HOIST HANDLE MORE THAN 90 DEGREES, AFTER
_______ YOU REMOVE THE SLACK FROM THE HOIST CABLE. IF YOU TURN THE HOIST HANDLE MORE THAN 90 DEGREES, YOU CAN CAUSE DAMAGE TO THE APU AND THE APU MOUNTS.
(a) Operate the HOIST - MINILIFT (10) until the weight of the APU is removed from the APU mounts.
NOTE : Do a check and make sure that the HOIST - MINILIFT is
____ assembled and installed correctly and holds the load.
NOTE : First turn the upper drum shaft of the HOIST - MINILIFT
____ with your hand until you have removed the slack from the hoist cable. Then install the hoist handle on the upper drum shaft and turn the handle 90 degrees in a clockwise direction. Thus you make sure that the weight of the APU is removed from the APU mounts.
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