122VU ELEC/GALLEY/CNTOR 7MC 28 S 2000VU DOOR AREA HEAT/FWD 1DS A08 2000VU DOOR AREA HEAT/FWD 3DS A06 2001VU DOOR AREA HEAT/AFT 11DS F05 2001VU DOOR AREA HEAT/AFT 13DS F03

 4. Procedure
_________ Subtask 25-27-34-020-050
 A. Removal of the Control Unit 4DS, 14DS
 (Ref. Fig. 401/TASK 25-27-34-991-001)

 (1)
 Release the spring latches (2) and disconnect the electrical connector (1).

 (2)
 Put blanking caps on the disconnected electrical connectors.

 (3)
 FOR 4DS

 (a) Push the locking catch (10) and carefully slide the control unit
 (9) out from the adaptor assembly (8).

 (4)
 FOR 14DS

 (a)
 Support the control unit (4) and remove the screws (6), the washers (7) and the brackets (5).

 (b)
 remove the control unit (4) from the support structure (3).

 Control Unit 4DS, 14DS
 Figure 401/TASK 25-27-34-991-001
 EFF :  301-399,  25-27-34 Page 404 
May 01/04
 CES 

 TASK 25-27-34-400-001
 Installation of the Control Unit 4DS, 14DS
 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 -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
 the External Power 25-27-00-740-001 Bite Test of the Heated Floor Panel System. 25-27-34-991-001 Fig. 401 FOR FIN 4DS 25-54-12-000-003 Removal of the Sidewall Panels in the FWD Cargo
 Compartment 25-54-12-400-003 Installation of the Sidewall Panels in the FWD Cargo Compartment 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump FOR FIN 14DS 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 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-002  Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
 3. Job Set-up
__________ Subtask 25-27-34-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the ground service network is energized
 (Ref. TASK 24-42-00-861-001).

 (2)
 Make sure that the access platform is in position adjacent to the FWD or AFT cargo compartment doors as required.

 (3)
 FOR 4DS

 (a)
 Make sure that the FWD cargo compartment door is open (Ref. TASK 52-30-00-860-001).

 (b)
 Make sure that the FWD CARGO COMPT light switch 6LU is set to ON.

 (4)
 FOR 14DS

 (a) Make sure that the AFT cargo compartment door is open (Ref. TASK 52-30-00-860-001).
 (b) Make sure that the AFT CARGO COMPT light switch 8LU is set to ON. Subtask 25-27-34-010-052
 B. Aircraft Maintenance Configuration
 (1)
 FOR 4DS

 (a) Make sure that the sidewall panel 132JW is removed (Ref. TASK 25-54-12-000-003).

 (2)
 FOR 14DS

 (a) Make sure that the sidewall panel 152FW is removed (Ref. TASK 25-55-12-000-003).

 Subtask 25-27-34-865-054
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
 tagged -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
122VU ELEC/GALLEY/CNTOR 7MC 28 S 2000VU DOOR AREA HEAT/FWD 1DS A08 2000VU DOOR AREA HEAT/FWD 3DS A06 2001VU DOOR AREA HEAT/AFT 11DS F05 2001VU DOOR AREA HEAT/AFT 13DS F03
 4. Procedure
_________ Subtask 25-27-34-420-050
　
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