10-11-02
 ALL  ú ú 02 Page 231 ú Mar 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

 ~............................................................................... | | Procedures Repeat Intervals (Days) | | ....................................... | | | | | | | | | As| | Item | Initial | 7 | 14| 30| 60| 90|180|Rqd| ................................................................................. | F. The rudder (three cycles) | X | | | | | X | | | | (AMM 27-21-00). | | | | | | | | | ................................................................................. | G. The horizontal stabilizer | X | | | | | X | | | | (three cycles). | | | | | | | | | ................................................................................. | 2. After the flight controls have been | X | | | | | X | | | | cycled, put the flaps and slats to | | | | | | | | | | the retracted position. Also put the| | | | | | | | | | control surfaces to the neutral | | | | | | | | | | position. | | | | | | | | | .................................................................................
 | 3. Initially and at each 90-day cycle,  | X |  |  |  |  | X |  |  |
 |  operate the stabilizer trim,  |  |  |  |  |  |  |  |  |
 |  the rudder trim and the aileron  |  |  |  |  |  |  |  |  |
 |  trim for one complete cycle.  |  |  |  |  |  |  |  |  |
 |  Put the stabilizer trim, the  |  |  |  |  |  |  |  |  |
 |  rudder trim, and aileron trim to  |  |  |  |  |  |  |  |  |
 |  a different position than it was set |  |  |  |  |  |  |  |  |
 |  during the last cycle.  |  |  |  |  |  |  |  |  |
 |  |  |  |  |  |  |  |  |  |
 |  NOTE:____ You can use external  |  |  |  |  |  |  |  |  |
 |  electrical and hydraulic  |  |  |  |  |  |  |  |  |
 |  power when the airplane  |  |  |  |  |  |  |  |  |
 |  power is not available.  |  |  |  |  |  |  |  |  |

 ................................................................................. | 4. Initially and at each 90-day cycle, | X | | | | | X | | | | lubricate the flap jackscrew and | | | | | | | | | | ballnut assemblies with MIL-G-23827 | | | | | | | | | | (AMM 12-21-09/301). | | | | | | | | | ................................................................................. | 5. Visually examine the condition of | X | | | | | X | | | | all control cables (AMM 20-20-02/601)| | | | | | | | | | Relubricate the the control cables in| | | | | | | | | | the trailing edge and wheel wells | | | | | | | | | | (AMM 12-21-31-301). | | | | | | | | | ................................................................................. | 6. Relubricate all control cables | X | | | | | | X | | | except the control cables through | | | | | | | | | | the body of the airplane, if they | | | | | | | | | | were lubricated within 60 days | | | | | | | | | | prior to the start of the storage. | | | | | | | | | | Do this on day 180 and at 180-day | | | | | | | | | | intervals (AMM 12-21-31/301). | | | | | | | | |
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 10-11-02
 ALL  ú
 ú  02  Page 232
 ú  Mar 20/97 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 ~............................................................................... | | Procedures Repeat Intervals (Days) | | ....................................... | | | | | | | | | As| | Item | Initial | 7 | 14| 30| 60| 90|180|Rqd| .................................................................................
 | 7. Apply a layer of MIL-C-16173, Grade 2| X |  |  |  |  | X |  |  |
　
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