(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 49-42-51-710-050
A. Test the Starter Motor (8KA)
(1)
Get access to the Starter Motor Drive Shaft.
(Ref. Fig. 201/TASK 49-42-51-991-001)
(2)
Remove the screws (10) and remove the starter motor drive shaft end cover (11), or if an optional starter motor is installed, unscrew the drive shaft cover (15).
(3)
Turn the starter motor manual drive shaft with a wrench in the direction of the arrow embossed on the starter body, make sure that the clutch engages.
NOTE : The starter motor clutch engages correctly if:
____
-
it engages immediately,
-
it does not rub,
-
it does not make unusual noise.
(4) Turn the starter motor manual drive shaft with a wrench against the direction of the arrow embossed on the starter body, make sure that the clutch disengages.
NOTE : The starter motor clutch disengages correctly if:
____ -it disengages immediately,
-the starter motor drive shaft can be turned freely against the direction of the arrow,
-
it does not rub,
-
it does not make unusual noise.
(5)
If the clutch does not engage/disengage correctly, replace the starter motor clutch (Ref. TASK 49-42-52-000-001) and (Ref. TASK 49-42-52-400-001).
(6)
Start and operate the APU (4005KM) (Ref. TASK 49-00-00-860-003).
(7)
Listen for any unusual noises after the starter motor has disengaged at 50% APU speed.
(8)
Examine the starter motor area for oil leaks.
NOTE : No leaks are permitted.
____
(9) Stop the APU (4005KM) (Ref. TASK 49-00-00-860-004).
5. Close-up
________ Subtask 49-42-51-410-055
A. Close Access
(1)
Install the starter motor drive shaft cover (11) and secure with the screws (10), or if an optional starter motor is installed, screw on the drive shaft end cover (15).
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
(3)
Set the LIGHT control switch 11LJ to the off position.
(4)
Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001).
(5)
Remove the access platform(s).
(6)
Remove the warning notice(s). Subtask 49-42-51-865-054
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD
Subtask 49-42-51-860-065
C. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
MOTOR - STARTER ((131-9(A))) - MAINTENANCE PRACTICES
____________________________________________________ TASK 49-42-51-000-004 Removal 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).
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking cover
No specific circuit breaker(s) safety clip(s)
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 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 49-42-51-991-006 Fig. 201
R EFF : 001-049, 101-105, 107-107, 151-199, 49-42-51Page 201 201-210, Config-2 Aug 01/05
CES 3. Job Set-up
__________ Subtask 49-42-51-860-066
A. Aircraft Maintenance Configuration
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