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 M. In-Service Wear Limits
 (1) Use applicable measurement equipment and measure the OD of the bushing (8) and the ID of the shouldered bushing (5).
 NOTE : If any of the components are 'out of limits' then you must
____
 replace them.

 -for item (5) (Ref. TASK 21-61-00-300-001).
 -------------------------------------------------------------------------------| FIG. | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | | DETAIL |---------------------------------------|----------------------------| | AND | DIMENSION | ASSEMBLY CLEARANCE| DIMENSION LIMITS | MAX. | | ITEM | MM (IN.) | MM (IN.) | MM (IN.) | ALLOW. | | NO. |-------------------|-------------------|---------|---------| CLEAR. | | | MIN. | MAX. | MIN. | MAX. | MIN. | MAX. |MM (IN.)| |--------|---------|---------|---------|---------|---------|---------|--------| | DD | 11.983 | 11.994 | | | 11.976 | | | | OD 8 |(0.4717) |(0.4722) | | |(0.4714) | | | | | | | 0.006 | 0.035 | | | 0.049 | | | | | (0.0002)| (0.0013)| | |(0.0019)| | DD | 12.000 | 12.018 | | | | 12.025 | | | ID 5 |(0.4724) |(0.4731) | | | |(0.4734) | | ------------------------------------------------------------------------------- ACTUATOR - AIR OUTLET FLAP (9HH,29HH) - REMOVAL/INSTALLATION

____________________________________________________________ R **ON A/C 001-003, 051-054,
 TASK 21-61-52-000-001 Removal of the Air-Outlet Flap Actuator 9HH (29HH) WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
 FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
 HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.

 NOTE : The procedure is the same for the air-outlet flap actuator 9HH and 29HH.
____
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
 No specific circuit breaker(s) safety clip(s)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-61-52-200-002 Ram-Air Outlet Flap - In-Service Wear Limits 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 53-35-13-000-002 Removal of the Quick-Release Access Panels from the Belly Fairing Structure 21-61-52-991-001 Fig. 401

 3. Job Set-up
__________
 Subtask 21-61-52-861-050
 A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
 Subtask 21-61-52-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 9HH
 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 1HH X22 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 3HH X21 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC 4HH Y19 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18
 FOR 29HH 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 21HH W22 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 23HH W21 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 24HH Y21 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 22HH Y20
 Subtask 21-61-52-941-051
 C. Safety Precautions
 (1)
 On the AIR COND panel 30VU:

 (a)
 Make sure that the APU BLEED, the ENG BLEED/1(2) and the PACK/1(2) pushbutton switches are in the off position: - on the APU BLEED pushbutton switch the ON legend is off, - on the ENG BLEED/1(2) and the PACK/1(2) pushbutton switches the

 OFF legends are on.

 (b)
 Put a warning notice in position to tell persons not to operate these pushbutton switches.

 

 (2)
 Put a warning notice on the HP ground connector to tell persons not to supply the ground air.

R 1EFF : 001-003, 051-054, 1 21-61-52Page 402 1 1 May 01/05 1 1 1CES 1 Subtask 21-61-52-010-050

 D. Get Access
 (1) Remove the access panel/s (Ref. TASK 53-35-13-000-002). R (a) FOR 9HH
 -191KB R (b) FOR 29HH
 -192KB
 4. Procedure
_________
 (Ref. Fig. 401/TASK 21-61-52-991-001)
 Subtask 21-61-52-020-050
 A. Removal of the Air-Outlet Flap Actuator
 (1)
 Disconnect the electrical connector (2).

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