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 52-41-00-010-001 Open the APU Doors for Access 52-41-18-000-001 Removal of the APU Exhaust Access-Fairing 317AL 49-81-41-991-003 Fig. 401
R EFF : 001-049, 101-105, 107-107, 151-199, 49-81-41Page 401 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-81-41-860-055
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).
Subtask 49-81-41-865-056
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 49-81-41-010-052
C. Get Access
(1)
Put the access platform below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT SW 11LJ to the ON position.
(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, 49-81-41Page 402 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________ Subtask 49-81-41-020-052
A. Removal of the Exhaust Muffler
(Ref. Fig. 401/TASK 49-81-41-991-003)
(1)
Loosen the nut (14) and disconnect the drain line (13).
(2)
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 and discard the lockwire from the stud fasteners and remove the two halves of the insulation blanket.
(3)
Remove the V-clamp (15) from the APU exhaust flange (16).
(4)
Remove and discard the cotter pins (2) from the nuts (3) and (5).
(5)
Remove the nut (5), the washer (6), the bolt (8) and the washer (9).
(6)
Remove the nut (3), the washer (4), the bushing (11) and the bolt (12).
(7)
Pull the exhaust muffler (7) from the guide rails (10).
(8)
Make an inspection of the flexible seal (1) for damage or chafing. NOTE : Replace the seal (1) if necessary.
____
(9)
Make an inspection of the thermal insulation segments for damage. NOTE : Replace the insulation if necessary.
____
R EFF : 001-049, 101-105, 107-107, 151-199, 49-81-41Page 403 201-210, Config-2 Aug 01/05
CES
Exhaust Muffler
Figure 401/TASK 49-81-41-991-003
CES TASK 49-81-41-400-003
Installation of the Exhaust Muffler (131-9(A))
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific Torque Wrench : range 0.00 to 1.20 m.daN
(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. 05-027 USA MIL-L-81309
RUST INHIBITOR(FOR CORROSION USE 15-004)
(Ref. 20-31-00) Material No. 19-010 USA AMS 5687
LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA
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