______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
49-61-34-400-003  Installation of the Electronic Control Box (ECB) (131-9(A))

R  **ON A/C 001-049, 101-105, 107-107, 201-210,
 49-61-53-991-004  Fig. 401
 **ON A/C 151-199,
 49-61-53-991-004-A Fig. 401A R **ON A/C 001-049, 101-105, 107-107, 151-199, 201-210,
 3. Job Set-up
__________
 Subtask 49-61-53-860-056

 A. Aircraft Maintenance Configuration
 (1)
 On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.

 (2)
 Make sure there is a warning notice in the cockpit to tell persons not to start the APU.

 (3)
 Make sure that the access platform is below the AFT cargo-compartment door 826.

 (4)
 Make sure that the AFT cargo-compartment door 826 is open.

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-61-53Page 405 201-210, Config-2 Aug 01/05
 CES  Subtask 49-61-53-865-051

 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
 4. Procedure
_________ R **ON A/C 001-049, 101-105, 107-107, 201-210,
 (Ref. Fig. 401/TASK 49-61-53-991-004)
 **ON A/C 151-199,

 (Ref. Fig. 401A/TASK 49-61-53-991-004-A) R **ON A/C 001-049, 101-105, 107-107, 151-199, 201-210,
 Subtask 49-61-53-420-053
 A. Installation of the ECB Mount
 (1) Install the ECB mount (12) to the aircraft structure with the bolts
 (10) and the washers (11).
 NOTE : The ECB installation points forward in those aircraft that do

____ not have the optional bulk cargo door. Aircraft with the optional bulk cargo door, have the ECB installation pointed rearwards.
 (2)
 Install the ECB rack (5) to the mount (12) with the countersunk screws (9).

 (3)
 Connect the bonding jumper (8) to the ECB mount (12) with the washer

 (7) and the bolt (6).

 (4)
 Install the electrical socket assembly (4) to the ECB rack (5) with the bolts (1) the washers (3) and the nuts (2).

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-61-53Page 406 201-210, Config-2 Aug 01/05
 CES  5. Close-up

________ Subtask 49-61-53-860-057
 A. Put the system back to the serviceable condition.
 (1) Install the ECB (59KD) (Ref. TASK 49-61-34-400-003).

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-61-53Page 407 201-210, Config-2 Aug 01/05
 CES

 MOUNT - ECB (60KD) - REMOVAL/INSTALLATION
_________________________________________
 TASK 49-61-53-000-002
 Removal of the ECB Mount Assembly (APS 3200)

 1.
 Reason for the Job

__________________
 Removal of the ECB Mount

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
49-61-34-000-002  Removal of the Electronic Control Box (ECB) (59KD) (APS 3200)

R **ON A/C 106-106, 108-149, 221-221, 224-224, 228-228, 301-399,
 49-61-53-991-002-A Fig. 401
 **ON A/C 211-220, 222-223, 225-227, 229-299,

 49-61-53-991-002 Fig. 401A R **ON A/C 106-106, 108-149, 211-299, 301-399,
 3. Job Set-up
__________
 Subtask 49-61-53-860-053

 A. Aircraft Maintenance Configuration
 (1) Remove the Electronic Control Box (ECB) (59KD) (Ref. TASK 49-61-34-000-002).

 4. Procedure
_________ R **ON A/C 106-106, 108-149, 221-221, 224-224, 228-228, 301-399,
 (Ref. Fig. 401/TASK 49-61-53-991-002-A)
 **ON A/C 211-220, 222-223, 225-227, 229-299,

 (Ref. Fig. 401A/TASK 49-61-53-991-002) R **ON A/C 106-106, 108-149, 211-299, 301-399,
 Subtask 49-61-53-020-052
 A. Removal of the ECB Mount
 (1)
 Remove the bolts (1) the nuts (2) and the washers (3) that attach the electrical socket assembly (4) to the ECB rack (5).

 (2)
 Remove the electrical socket assembly (4) clear of the ECB rack (5).
　
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