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CES 3. Job Set-up
__________ Subtask 49-17-00-860-050
A. Aircraft Maintenance Configuration
(1)
Put the warning notices on panel 25VU to tell persons not to start the APU.
(2)
Energize the ground service network (Ref. TASK 24-41-00-861-002).
(3)
Make sure that the hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
Subtask 49-17-00-865-052
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 49-17-00-010-051
C. Get Access
(1)
Put the access platform below the access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR. (Ref. TASK 52-41-00-010-001)
(3)
Set the light switch 11LJ to on.
(4)
Remove the Air Intake Diffuser and Elbow (Ref. TASK 49-16-45-000-003).
(5)
If necessary remove the APU access door 316AR (Ref. TASK 52-41-22-000-001).
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CES 4. Procedure
_________ (Ref. Fig. 801/TASK 49-17-00-991-002) Subtask 49-17-00-300-050
A. Repair of the Drain Mast System
(1)
Remove rivets (2-6) of the Drain Mast Assembly (7) carefully.
(2)
Remove drilled out rivets and drilling chips.
(3)
Clean of new structure parts before installation
(4)
Surface protection and sealant has to be restored in accordance to SRM 51-72-11.
(5)
Fix Drain Mast Assembly (7) in position and install with same rivet type to Access Door Assembly. If oversize rivet types are necessary for installation use standards detailed in table 1.
5. Close-up
________ Subtask 49-17-00-410-051
A. Close Access
(1)
If removed install the APU access door 316AR (Ref. TASK 52-41-22-400-001).
(2)
Install the Air Intake Diffuser and Elbow (Ref. TASK 49-16-45-400-003).
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
(4)
Set the light switch 11LJ to off.
(5)
Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001) .
(6)
Remove the access platform(s).
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CES
Drain Mast Assy
Figure 801/TASK 49-17-00-991-002
CES Subtask 49-17-00-865-053
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-17-00-860-051
C. Aircraft Maintenance Configuration.
(1)
De-energize the ground service network (Ref. TASK 24-41-00-862-002)
(2)
Remove the warning notice(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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CES
POWER PLANT DRAIN SYSTEM - REPAIRS
__________________________________
R **ON A/C 001-003, 051-099, 401-499,
TASK 49-17-00-300-003
Repair of Drain Mast System
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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