A320飞机维护手册 AMM AIR CONDITIONING 空调 4(92)

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 (1) Do the pre-conditioning through the HP ground connector (Ref. TASK 12-33-21-618-001) or with the APU (Ref. TASK 12-33-21-618-001).
 (2) Do a leak check of the reheater connections.
 NOTE : Minimum leakage is permitted. After the pack operates some____ minutes, the leakage of air will reduce because the seals have their correct operating temperature.
 (3) After approx. 15 minutes stop the pre-conditioning (Ref. TASK 12-33-21-618-001) or (Ref. TASK 12-33-21-618-001).

 

 (4) Do the operational test of the cockpit and cabin temperature control

 (Ref. TASK 21-63-00-710-004).
 ________

5. Close-up
 Subtask 21-52-31-410-052
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panel/s (Ref. TASK 53-35-13-400-002).

 (a)
 FOR 10HM3

 -191KB.

 (b)
 FOR 11HM3

 

 -192KB.
 (3) Remove the warning notice(s). Subtask 21-52-31-862-050
 B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 REHEATER (10HM3,11HM3) - INSPECTION/CHECK
_________________________________________
 TASK 21-52-31-200-001
 Attachment Components (In-Service Wear Limits) - Reheater 10HM3 (11HM3)

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-52-00-300-001 Attachment Components - Repair/Replacement
 CMM 215208
 21-52-31-991-003 Fig. 601

 3. Job Set-up
__________
 Subtask 21-52-31-860-052

 A. Aircraft Maintenance Configuration
 (1) Make sure that the applicable components are disassembled to do the inspection procedure.
 4. Procedure
_________
 (Ref. Fig. 601/TASK 21-52-31-991-003)
 Subtask 21-52-31-210-051

 A. Visual Inspection of the Spherical Bearings in the Support Rod
 (1) On the support rods (77) and (81):
R (a) Use an applicable measurement method and do a check for radial R and axial play at the spherical bearings (3).

R  Attachment Components Figure 601/TASK 21-52-31-991-003
 1EFF : 1 1 1CES  ALL  1 111 21-52-31 Page 602 May 01/00

 

R R R R  (b) If you find more than 0.05 mm (0.0019 in.) radial play, or more than 0.2 mm (0.0078 in.) axial play in a spherical bearing (3) then you must replace the related rod eye-end (Ref. TASK 21-52-00-300-001).
 Subtask 21-52-31-220-050
 B. In-Service Wear Limits
 (1) Use applicable measurement equipment and measure the outside diameter (OD) of the bushing (6) and the inside diameter (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 21-52-00-300-001).
 -------------------------------------------------------------------------------
R R R R R R R  | 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 6 |(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 5 |(0.3543) |(0.3549) | | | |(0.3551) | | -------------------------------------------------------------------------------
Subtask 21-52-31-220-051
 C. In-Service Wear Limits
 (1) Use applicable measurement equipment and measure the OD of the bolt (7) and the ID of the bushing (6).
 NOTE : If any of the components are 'out of limits' then you must____ replace them.

 

 -------------------------------------------------------------------------------
R R R R R R R  | 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 7 |(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 6 |(0.2500) |(0.2505) | | | |(0.2508) | | -------------------------------------------------------------------------------
　
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