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R  **ON A/C 401-499, 
R R R R R R R 122VU AIR COND/TEMP CTL SYS 2/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 2/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC  53HH 55HH 49HH 51HH 56HH 54HH 50HH  W22 W21 X22 X21 Y21 Y20Y18 
**ON A/C ALL
 Subtask 21-21-00-860-056
 C. Aircraft Maintenance Configuration
 (1) On the panel 30VU push the PACK 1 and the PACK 2 pushbutton switches to the off position (the OFF legends come on).
 (2) On the panel 22VU make sure that the CAB FANS switch is in the on position (the OFF legend shows off).
 (3) On one MCDU get the SYSTEM REPORT/TEST AIR COND menu page (Ref. TASK 31-32-00-860-002).
 4. Procedure_________
 Subtask 21-21-00-710-052
 A. Operational Test of the Cabin Recirculation Fans
 WARNING : MAKE SURE THAT THERE ARE NO PERSONS OR EQUIPMENT NEAR THE RAM_______ AIR OUTLET FLAPS. THE MOVEMENT OF THE RAM AIR OUTLET FLAPS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

 

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the AIR COND menu page:  On the MCDU:
 - push the line key adjacent to  - the CAB TEMP CONT menu page comes on.
 the TEMP CTL indication.
 2. On the CAB TEMP CONT menu page:
 - push the line key adjacent to  - the CAB TEMP CONT TEST page comes on.
 the TEST indication.  - the message PACK 1 AND 2 SELECT OFF
 comes on
 3. On the CAB TEMP CONT TEST page:
 - push the line key adjacent to  - the message IN PROGRESS MAX 300 S
 the CONTINUE indication.  comes on, then the messages TEST OK
 and END OF TEST comes on.
 - push the MCDU MENU key.  - the MCDU MENU page comes on.
 4. On the MCDU MENU page:
 - push the line key adjacent to  - the CFDS page comes on.
 the CFDS indication.
 5. On the CFDS page:
 - push the line key adjacent to  - the AVIONICS STATUS page with no TEMP
 the AVIONICS STATUS.  CTL (CLASS 3) message comes on.
 NOTE : Ignore the CLASS 3 failures on____
 the CAB TEMP CONT CLASS 3 FAULTS
 page.

 1EFF : ALL 1 21-21-00Page 504 1 1 Aug 01/05R 1 1 1CES 1

 5. Close-up
________ Subtask 21-21-00-860-055
 A. Aircraft Maintenance Configuration
 (1)
 On the panel 30VU push the PACK 1 and the PACK 2 pushbutton switches to the on position (the OFF legends go off).

 (2)
 On the MCDU, push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.

 (3)
 De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 

 FILTER - RECIRCULATION (4012HM,4013HM) - SERVICING
__________________________________________________
 TASK 21-21-41-920-002
 Scheduled Replacement of the Recirculation Filter 4012HM (4013HM)
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 212141-01
 2. Job Set-up Information
______________________
 A. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION  |IPC-CSN
 -------------------------------------------------------------------------------
3 recirculation filter 21-21-02 49A-020 3 recirculation filter 21-21-02 49A-020A 3 recirculation filter 21-21-02 49A-020B 3 recirculation filter 21-21-02 49A-020C 3 recirculation filter 21-21-02 49B-020
R  3 recirculation filter 21-21-02 49B-020A
R  3 recirculation filter 21-21-02 49B-020B 3 recirculation filter 21-21-02 49B-020C 3 recirculation filter 21-21-02 49B-020D 3 recirculation filter 21-21-02 49C-020 3 recirculation filter 21-21-02 49C-020A 3 recirculation filter 21-21-02 49C-020B
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
21-21-41-000-001 Removal of the Recirculation Filter 4012HM (4013HM) 21-21-41-400-001 Installation of the Recirculation Filter 4012HM (4013HM) 21-21-41-991-003 Fig. 301
 3. Job Set-up
__________
 Subtask 21-21-41-420-054
 A. Not Applicable

 4. Procedure
_________
　
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