Subtask 49-42-51-860-072
C. Aircraft Maintenance Configuration
(1)
Pressurize the reservoirs of the hydraulic systems.
(Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
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CES TASK 49-42-51-700-002 Test of the Starter Motor (131-9(A)) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : MAKE SURE THAT YOU HAVE THE CORRECT FIRE FIGHTING EQUIPMENT
_______ AVAILABLE.
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. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-002 USA MIL-PRF-680 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT) (Ref. 20-31-00)
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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 49-00-00-860-008 APU Start by External Power (131-9(A)) 49-00-00-860-009 APU Shutdown by External Power (131-9(A)) 49-42-51-000-004 Removal of the Starter Motor (131-9(A)) 49-42-51-400-004 Installation of the Starter Motor (131-9(A)) 49-42-52-000-003 Removal of the Starter Motor Clutch (8033KM)
(131-9(A)) 49-42-52-400-003 Installation of Starter Motor Clutch (8033KM)
(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 49-42-51-991-006 Fig. 201
3. Job Set-up
__________
Subtask 49-42-51-860-073
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, 49-42-51Page 218 201-210, Config-2 Aug 01/05
CES Subtask 49-42-51-865-075
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 49-42-51-010-067
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 SW 11LJ to the ON position.
4. Procedure
_________ Subtask 49-42-51-210-060
A. Inspection of the Starter Motor
(1)
If necessary, clean the brush-wear indicator area with CLEANING AGENTS (Material No. 11-002).
(2)
Do a visual check of the brush-wear indicator pin position
(a)
If the red brush wear indicator pin is not visible:
-Replace the starter motor (Ref. TASK 49-42-51-000-004) and (Ref. TASK 49-42-51-400-004).
(b)
If the red brush-wear indicator pin is visible, but there is any sign of oil contamination inside the indicator:
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