-Replace the starter motor (Ref. TASK 49-42-51-000-002) and (Ref. TASK 49-42-51-400-002).
5. Close-up
________ Subtask 49-42-51-410-056
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 316AR, 315AL (Ref. TASK 52-41-00-410-001).
Starter Motor Brush-Wear Indicator
Figure 601/TASK 49-42-51-991-002
CES
(4)
Remove the access platform(s). Subtask 49-42-51-865-056
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-42-51-860-059
C. Aircraft Maintenance Configuration
(1)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(2)
Pressurize the reservoirs of the hydraulic systems.
(Ref. TASK 29-14-00-614-002).
(3)
Remove the warning notice(s).
MOTOR - STARTER ((APS 3200)) (8KA) - INSPECTION/CHECK
_____________________________________________________ TASK 49-42-51-200-006 Check Wear Indicator of Starter Motor Brush (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
__________________
Refer to the MPD TASK: 494251-A1
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 2.5 m (8 ft. 2 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-002 USA MIL-PRF-680 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT) (Ref. 20-31-00)
C. 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 49-42-51-000-003 Removal of the Starter Motor (8KA) (APS 3200) 49-42-51-400-003 Installation of the Starter Motor (8KA) (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-42-51-991-003 Fig. 601
3. Job Set-up
__________
Subtask 49-42-51-860-053
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 hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-42-51-865-058
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 49-42-51-010-058
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
_________ (Ref. Fig. 601/TASK 49-42-51-991-003) Subtask 49-42-51-280-050
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 visible:
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