A. Aircraft Maintenance Configuration.
 (1)
 Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).

 (2)
 Put a warning notice in the cockpit to tell persons not to start the APU.

 (3)
 Do a record of the APU HOURS and CYCLES (Ref. TASK 49-00-00-860-011). Subtask 49-61-34-865-058

 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

R **ON A/C 106-106, 108-149, 221-221, 224-224, 228-228,
 Subtask 49-61-34-010-056-A
 C. Get Access
 (1)
 Open the BULK cargo-compartment door 827 (Ref. TASK 52-30-00-860-006).

 (2)
 Put the access platform at the BULK cargo-compartment door 827.

 (3) Remove the access panel 162EW (Ref. TASK 25-55-12-000-003).
 **ON A/C 211-220, 222-223, 225-227, 229-299, 301-399,

 Subtask 49-61-34-010-056
 C. Get Access
 (1)
 Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001).

 (2)
 Put the access platform below the AFT cargo-compartment door 826.

 (3) Remove the access panel 152HW (Ref. TASK 25-55-11-000-003). R **ON A/C 106-106, 108-149, 211-299, 301-399,
 4. Procedure
_________ R **ON A/C 106-106, 108-149, 221-221, 224-224, 228-228,
 (Ref. Fig. 401/TASK 49-61-34-991-002-A)
 **ON A/C 211-220, 222-223, 225-227, 229-299, 301-399,

 (Ref. Fig. 401A/TASK 49-61-34-991-002) R **ON A/C 106-106, 108-149, 211-299, 301-399,
 Subtask 49-61-34-020-051
 A. Remove the ECB WARNING : SUPPORT THE UNIT/ASSEMBLY OR IT WILL FALL AND BECOME DAMAGED OR
_______ INJURE PERSONNEL. THE UNIT/ASSEMBLY IS HEAVY.
 (1) At the ECB tray (1) turn the fluted knobs (2) counterclockwise to release the electronic control box (3).
 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.

 ECB - Removal/Installation Figure 401/TASK 49-61-34-991-002-A

R  EFF : 106-106, 108-149, 221-221, 224-224, 49-61-34Page 404 228-228, Config-3 Aug 01/05
 CES

R  ECB - Removal/Installation Figure 401A/TASK 49-61-34-991-002 
R  EFF : 211-220, 222-223, 225-227, 229-299, 301-399,  Page 40549-61-34Config-3 May 01/05
 CES 

 (2)
 Carefully pull the ECB (3) from the tray (1) to disconnect the electrical connection (4).

 (3)
 Remove the ECB (3) from the tray (1).

 (4)
 Put blanking caps on the disconnected electrical connectors.

 TASK 49-61-34-400-002
 Installation of the Electronic Control Box (ECB) (59KD) (APS 3200)
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific access platform 2.0 m (6 ft. 7 in.)
 B. 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 25-55-11-000-003 Removal of the Sidewall Panels in the AFT Cargo Compartment - FR47/FR59 25-55-11-400-003 Installation of the Sidewall Panels in the AFT Cargo Compartment - FR47/FR59 25-55-12-000-003 Removal of the Sidewall Panels in the AFT Cargo Compartment - FR59/FR65 25-55-12-400-003 Installation of the Sidewall Panels in the AFT Cargo Compartment - FR59/FR65 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST
 Menu Page 49-00-00-860-011 Update of APU Data (hours/cycles) (APS 3200) 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 52-30-00-860-008 Close the Bulk Cargo-Compartment Door
　
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