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MDDU (MULTIPURPOSE DISK DRIVE UNIT) (1TD) - REMOVAL/INSTALLATION
________________________________________________________________ TASK 31-38-22-000-001 Removal of the MDDU (1TD)
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 caps
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 31-38-22-991-001 Fig. 401
3. Job Set-up
__________ Subtask 31-38-22-862-050
A. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
Subtask 31-38-22-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU DATA/LOADER/SPLY 3TD J16 121VU DLS&/DLRB/SPLY 5TD J15
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4. Procedure
_________
(Ref. Fig. 401/TASK 31-38-22-991-001) Subtask 31-38-22-020-050
A. Removal of the MDDU
(1)
Looseen the four quarter-turn fasterners (3).
(2)
Pull the MDDU (1) from its housing.
(3)
Disconnect the electrical connectors (2).
(4)
Remove the MDDU (1).
(5)
Put blanking caps on the disconnected electrical connectors.
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Multipurpose Disk Drive Unit (1TD)
Figure 401/TASK 31-38-22-991-001
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TASK 31-38-22-400-001 Installation of the MDDU (1TD)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. 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 31-38-22-991-001 Fig. 401
3. Job Set-up
__________ Subtask 31-38-22-860-050
A. Make sure that the aircraft electrical circuits from the external power is de-energized (Ref. TASK 24-41-00-862-002).
Subtask 31-38-22-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU DATA/LOADER/SPLY 3TD J16 121VU DLS&/DLRB/SPLY 5TD J15
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4. Procedure
_________ (Ref. Fig. 401/TASK 31-38-22-991-001) Subtask 31-38-22-420-050
A. Installation of the data loading selector
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Remove the blanking caps from the electrical connectors.
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