................................................................................. | Short Term | | | | | | | | |
__________ | | | | | | | | | | ................................................................................. | 1. Wash the airplane at each 7- to | | X | X | | | | | | | 14-day cycle (AMM 12-25-01). | | | | | | | | | ................................................................................. | 2. Apply wax to the areas that are not | | | | X | | | | | | painted at each 28-day cycle. Do | | | | | | | | | | this after the complete airplane has | | | | | | | | | | been washed (AMM 12-25-01). | | | | | | | | | ................................................................................. | 3. Apply a temporary layer of Protective| X | | | | | | | | | Coating to all metal that is not | | | | | | | | | | painted. Do not include the engine | | | | | | | | | | tail cones or other components that | | | | | | | | | | operate with high temperatures (the | | | | | | | | | | paint would burn off). Apply a layer| | | | | | | | | | of Ardrox 306-N as follows: | | | | | | | | | ................................................................................. | A. Procedure | | | | | | | | |
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
10-11-02
ALL ú ú 02 Page 206 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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| .................................................................................
| (1) Apply with a spray gun (air | | | | | | | | |
| or airless) to get a | | | | | | | | |
| uniform dry film thickness of | | | | | | | | |
| 1.5 |0.5 mils. The applied | | | | | | | | |
| layer must be smooth, | | | | | | | | |
| transparent, and | | | | | | | | |
| continuous. | | | | | | | | |
................................................................................. | B. Cure | | | | | | | | | ................................................................................. | (1) Before you touch - let the | | | | | | | | | | Protective Coating cure at | | | | | | | | | | room temperature for 20 | | | | | | | | | | minutes (minimum). | | | | | | | | | ................................................................................. | (2) Before you stack - let the | | | | | | | | | | Protective Coating cure at | | | | | | | | | | room temperature for 4 hours | | | | | | | | | | (minimum). | | | | | | | | | ................................................................................. | (3) Each 180-day cycle, remove | | | | | | | | | | the Protective Coating and | | | | | | | | | | apply it again. | | | | | | | X | | 2.........................................….........…...…...…...…...…...…...…...1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
10-11-02
ALL ú ú 02 Page 207 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| ................................................................................. | Long Term | | | | | | | | |
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