(2)
On the overhead panel, push the APU MASTER/SW to OFF.
(3)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002)
R EFF : 001-049, 101-105, 107-107, 151-199, 49-91-00Page 603 201-210, Config-2 Aug 01/05
CES STORAGE AND DISTRIBUTION ((APS 3200)) - INSPECTION/CHECK
________________________________________________________
TASK 49-91-00-210-002
Visual Inspection of the Lube Pump Filter (8076KM) and Generator-Scavenge Filter (8069KM) Differential-Pressure Indicator Position (APS 3200)
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 circuit breaker(s) safety clip(s) No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits 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 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-91-41-920-001 Remove and Discard Pressure Oil Filter-Element
(8076KM) (APS 3200) (for corrective action) 49-91-41-920-002 Replace AC-Generator Scavenge Filter-Element (8069KM) (APS 3200) (for corrective action)
3. Job Set-up
__________ Subtask 49-91-00-860-051
A. Aircraft Maintenance Configuration.
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(3)
Put a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that the hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
Subtask 49-91-00-865-052
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 49-91-00-010-051
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, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT control switch 11LJ to the on position.
4. Procedure
_________ Subtask 49-91-00-210-051
A. Visual Inspection.
(1)
Do a visual check of the lube-pump filter differential-pressure indicator-button. Make sure that the indicator button is not extended.
(2)
Do a visual check of the scavenge filter differential-pressure indicator-button. Make sure that the indicator button is not extended.
NOTE : Replace the lube pump filter if the indicator button is
____
extended (Ref. TASK 49-91-41-920-001).
NOTE : Replace the generator scavenge filter if the indicator button
____
is extended (Ref. TASK 49-91-41-920-002).
5. Close-up
________ Subtask 49-91-00-410-053
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control switch 11LJ to the off position.
(3)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s). Subtask 49-91-00-865-053
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-91-00-860-050
C. Aircraft Maintenance Configuration.
(1)
Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).
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