Attachment Components
 Figure 602A/TASK 21-51-51-991-007-A 
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R **ON A/C 051-099, 106-149, 201-299, 301-399, 401-499,
 Subtask 21-51-51-220-055
 B. In-Service Wear Limits
 (1) Use applicable measurement equipment and measure the outside diameter (OD) of the bushings (21) and the inside diameter (ID) of the shouldered bushings (6).
 NOTE : If any of the components are 'out of limits' then you must
____
 replace them.

 -for item (6) (Ref. TASK 21-51-00-300-001).
 -------------------------------------------------------------------------------| 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.)| |--------|---------|---------|---------|---------|---------|---------|--------| | BB | 8.986 | 8.995 | | | 8.979 | | | | OD 21 |(0.3537) |(0.3541) | | |(0.3535) | | | | | | | 0.005 | 0.029 | | | 0.043 | | | | | (0.0001)| (0.0011)| | |(0.0016)| | BB | 9.000 | 9.015 | | | | 9.022 | | | ID 6 |(0.3543) |(0.3549) | | | |(0.3551) | | -------------------------------------------------------------------------------
Subtask 21-51-51-220-056
 C. In-Service Wear Limits
 (1) Use applicable measurement equipment and measure the outside diameter (OD) of the bolts (20) and the inside diameter (ID) of the bushings (21).
R 1EFF : 051-099, 106-149, 201-299, 301-399, 1 21-51-51Page 609 1401-499, 1Aug 01/05 1 1 1CES 1 -------------------------------------------------------------------------------| 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.)| |--------|---------|---------|---------|---------|---------|---------|--------| | BB | 6.325 | 6.335 | | | 6.318 | | | | OD 20 |(0.2490) |(0.2494) | | |(0.2487) | | | | | | | 0.015 | 0.040 | | | 0.054 | | | | | (0.0005)| (0.0015)| | |(0.0021)| | BB | 6.350 | 6.365 | | | | 6.372 | | | ID 21 |(0.2500) |(0.2505) | | | |(0.2508) | | -------------------------------------------------------------------------------

Subtask 21-51-51-220-057
 D. In-Service Wear Limits
 (1) Use applicable measurement equipment and measure the outside diameter (OD) of the bolts (20) and the inside diameter (ID) of the shouldered bushings (7).
 NOTE : If any of the components are 'out of limits' then you must
____
 replace them.

 -for item (7) (Ref. TASK 21-51-00-300-001).
 -------------------------------------------------------------------------------| 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.)| |--------|---------|---------|---------|---------|---------|---------|--------| | BB | 6.325 | 6.335 | | | 6.318 | | | | OD 20 |(0.2490) |(0.2494) | | |(0.2487) | | | | | | | 0.015 | 0.035 | | | 0.049 | | | | | (0.0005)| (0.0013)| | |(0.0019)| | BB | 6.350 | 6.360 | | | | 6.367 | | | ID 7 |(0.2500) |(0.2503) | | | |(0.2506) | | -------------------------------------------------------------------------------
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 ACTUATOR - MIXER FLAP (20HB) - REMOVAL/INSTALLATION
___________________________________________________ TASK 21-51-52-000-001 Removal of the Mixer Flap Actuator 20HB 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.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
　
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