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ALL ú ú 01 Page 202 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL
~............................................................................... | CONDITION | CONDITION | PROCEDURE TO CORRECT THE CONDITION | | NO. | | | .................................................................................
| 3. | A pump overheat because | 1. Examine the supply, the pressure, |
| | the supply fluid | and case drain hoses and the |
| | decreased. | heat shields for heat damage. |
| | | Replace all the components that |
| | | have heat damage. |
| | | 2. Flush the pump pressure and the case|
| | | drain lines. |
| | | 3. Replace the applicable |
| | | pressure/case drain filter elements.|
| | | (AMM 29-11-17/401, 29-11-18/401, |
| | | and 29-11-19/401). |
................................................................................. | 4. | The differential | 1. Replace the filter element for the | | | pressure indicator for | return module (AMM 29-11-13/201, | | | the return filter module| 29-11-15/201). | | | extends because of a | 2. Flush the return line (Ref par. 9). | | | pump failure that | 3. Flush the pressure and the case | | | causes hydraulic fluid | drain lines. | | | contamination. | | | | | 4. Replace the filter elements in the | | | | applicable pressure/case drain | | | | module (AMM 29-11-17/401, | | | | 29-11-18/401, 29-11-19/401). | ................................................................................. | 5. | A failure of the check | 1. Replace the check valve which does | | | valve for the pressure | not operate. Disassemble and clean | | | or the case drain line | the remaining check valves in the | | | occurs due to a pump | pressure and case drain lines and | | | failure | modules (Ref 29-11-17/201, | | | | 29-11-18/201, and 29-11-08/201). | | | | 2. Flush the applicable pressure/case | | | | drain lines. | | | | | | | | 4. Do a check of the differential | | | | pressure indicator on the | | | | applicable Return Module. | | | | (AMM 29-11-13/401 or 29-11-15/401). | | | | If it has extended, refer to | | | | condition No. 4. | ................................................................................. 中國(guó)航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 液壓 CHAPTER 29 - HYDRAULIC POWER 1(38)
