Control Unit 24MQ Figure 401/TASK 52-51-00-991-001
1EFF : 1 1R 1CES ALL 1 11 1 52-51-00 Page 406 Feb 01/04
(4)
Put blanking caps on the disconnected electrical connector (4) and on the receptacle (3).
(5)
Safety the electrical connector (4) with tie-wraps on the adjacent fuselage structure.
(6)
Carefully install the control unit (1) and tighten the captive screws (2).
(7)
Put a warning notice on the overhead panel to tell the persons that
the keypad is deactivated. R
5. Close-up
________ R Subtask 52-51-00-865-052
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1MQ.
Subtask 52-51-00-860-054
B. Aircraft Maintenance Configuration
(1)
Put the aircraft back to the serviceable condition.
(2)
Make an entry in the aircraft technical log that the lock function of the cockpit locking system is deactivated.
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R
TASK 52-51-00-440-002
Reactivation of the Key Pad
1. Reason for the Job__________________
Refer to the MMEL TASK: 52-50-02-1)b) DOORS - Fixed Interior Cockpit Door Locking System (CDLS) Cockpit Door Toggle Switch Lock Function (FAA Only)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 24-41-00-861-002 24-41-00-862-002 52-51-00-710-002 TSM 52-51-00-810-801 52-51-00-991-001 Energize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External PowerOperational Test of the Cockpit Door Lock System (CDLS)(for corrective action) Fig. 401
R
3. Job Set-up__________
R
Subtask 52-51-00-860-055
A. Aircraft Maintenance Configuration
(1) Make sure that access to the cockpit is available.
(2) Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1MQ.
R
4. Procedure
_________ R Subtask 52-51-00-440-050
A. Reactivation of the Key Pad
(Ref. Fig. 401/TASK 52-51-00-991-001)
(1)
Cut and remove the tie-wrap to release the temporarily attached connector (4).
(2)
Remove the blanking caps from the electrical connector (4) and receptacle (3).
(3)
Connect the electrical connector (4) to the receptacle (3).
(4)
Carefully install the control unit (1) and tighten the captive screws (2).
Subtask 52-51-00-865-055
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1MQ.
Subtask 52-51-00-720-050
C. Test Procedure
(1)
Do the trouble shooting of the cockpit door lock system (Ref. TSM 52-51-00-810-801).
(2)
Do the operational test of the cockpit door locking system (Ref. TASK 52-51-00-710-002).
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R
5. Close-up________
R
Subtask 52-51-00-862-050
A. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R
TASK 52-51-00-040-003
Deactivation of the Buzzer
1. Reason for the Job__________________
Refer to the MMEL TASK: 52-50-02-4) DOORS - Fixed Interior Cockpit Door Locking System (CDLS) Buzzer (FAA Only)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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