10-11-02
ALL ú ú 01 Page 213 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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| ................................................................................. | A. Lift the wheels with an axle jack | | | | | | | | | | at the specified jack point | | | | | | | | | | (AMM 07-11-03), or | | | | | | | | | ................................................................................. | B. Tow (move) the airplane | | | | | | | | | | (AMM 09-11-00), or | | | | | | | | | ................................................................................. | C. Lift the airplane on jacks | | | | | | | | | | (AMM 07-11-01). | | | | | | | | | .................................................................................
| Wheel rotation is necessary when the | | | | | | | | |
| airplane is stored with rejectable | | | | | | | | |
| tires because the rotation minimizes | | | | | | | | |
| the risk of wheel bearing fretting. | | | | | | | | |
| | | | | | | | | |
| NOTE:____ As an option, you do not have | | | | | | | | |
| to rotate the wheels with | | | | | | | | |
| rejectable tires when the | | | | | | | | |
| airplane is being reactivated | | | | | | | | |
| from storage. All of the | | | | | | | | |
| wheel bearings and bearing | | | | | | | | |
| inserts must be examined and | | | | | | | | |
| replaced individually when | | | | | | | | |
| there are signs of fretting. | | | | | | | | |
................................................................................. | 8. Do a check of the tire pressure each | X | | X | | | | | | | 2-week cycle. Make sure to keep the | | | | | | | | | | tire pressure at the specified level | | | | | | | | | | (AMM 12-15-03). | | | | | | | | | ................................................................................. | 9. When you think the weather will | | | | | | | | | | freeze for a long time, put coarse | | | | | | | | | | sand or a coarse fiber mat between | | | | | | | | | | tires and the ground surface. | | | | | | | | | | | | | | | | | | | | NOTE: This is not necessary if the | | | | | | | | |
____ | airplane will not to be moved | | | | | | | | | | during this time, and if the | | | | | | | | | | tires will be discarded. | | | | | | | | |
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10-11-02
ALL ú ú 04 Page 214 ú Jan 28/02
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| ................................................................................. | Long Term | | | | | | | | |
_________ ................................................................................. | Do the procedures that follow at | | | | | | | | | | the start of the storage cycle | | | | | | | | | | and at the specified intervals. | | | | | | | | | | Also do the short term storage | | | | | | | | | | procedures. | | | | | | | | | .................................................................................
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