(0.00
to 9.00 lbf.ft) 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. 19-010 USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
R EFF : 001-049, 101-105, 107-107, 151-199, 49-81-00Page 601 201-210, Config-2 Aug 01/05
CES
C. 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 49-81-41-000-003 Removal of the Exhaust Muffler (131-9(A)) 49-81-41-400-003 Installation of the Exhaust Muffler (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 52-41-18-000-001 Removal of the APU Exhaust Access-Fairing 317AL 52-41-18-400-001 Installation of the APU Exhaust Access-Fairing 317AL AIPC 498104001080 AIPC 49810401033 AIPC 49810401037 AIPC 49810401090 49-81-00-991-006 Fig. 601
3. Job Set-up
__________
Subtask 49-81-00-860-062
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 a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-81-00Page 602 201-210, Config-2 Aug 01/05
CES Subtask 49-81-00-865-064
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 49-81-00-010-057
C. Get Access
(1)
Put the access platform in position below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT control SW 11LJ to the ON position.
4. Procedure
_________ (Ref. Fig. 601/TASK 49-81-00-991-006) Subtask 49-81-00-020-056
A. Disassemble for Access
(1) Removal of the Lockwire WARNING : CUT, REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK.
_______
LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
(a) Remove the lockwire from the upper and lower halves of the heat insulation (1) and (2), remove the heat insulation halves.
(2)
Remove the clamp (3) from the exhaust hot nozzle assy. and APU exhaust duct.
(3)
Loosen the nut of the muffler drain-line and disconnect the drain line.
(4)
Remove the APU exhaust access fairing 317AL (Ref. TASK 52-41-18-000-001).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-81-00Page 603 201-210, Config-2 Aug 01/05
CES
Inspection Areas of the Exhaust Muffler
Figure 601/TASK 49-81-00-991-006
CES
(5)
Remove the cotter pins, the castle-nuts, the bolts, the washers and the bushing from the exhaust muffler.
(6)
Pull the exhaust muffler rearwards to get an sufficient clearence between the APU duct and the muffler duct.
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