29-22-00
 ALL  ú ú 10 Page 507 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 035-082
 (5)  Disconnect the self-seal fitting on the pressure hose from the left
 engine-driven pump (AMM 29-11-05/401).
 S 495-083
 (6)  Connect the pressure line of the hydraulic service cart to the
 self-seal fitting on the pressure hose of the engine-driven pump
 (AMM 29-11-00/201).
 S 495-084
 (7)  Connect the return line of the service cart to the ground power
 return connection of the left hydraulic system (AMM 29-11-00/201).
 NOTE:____ The hydraulic service cart must have a shutoff valve
 in the pressure line which can isolate the cart from the
 airplane hydraulic system.

 S 865-085
 (8)  
Set the hydraulic service cart connected to the left system to zero psi.

 S 865-293

 (9)  
Make sure the shutoff valve in the pressure line from the service cart is in the closed position.

 S 865-294

 (10)
 Pressurize the reservoir in the left hydraulic system (AMM 29-11-00/201).

 S 865-086

 (11)
 Remove the pressure from the reservoirs in the right and center hydraulic systems (AMM 29-11-00/201).

 S 865-089

 (12)
 Push the ELEC/HYD switch on the EICAS maintenance panel on the right side panel, P61.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-22-00
 ALL  ú ú 03 Page 508 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 215-090
 (13)
 Make sure the quantity indication on EICAS for the left and right hydraulic systems is 0.80 or more.

 S 215-091

 (14)
 Make sure the POWER XFER UNIT message is not shown on EICAS.

 S 495-092

 (15)
 Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).

 S 015-093
 WARNING: DO THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (16) Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
 (a)  Place the toggle switch on the end of the right engine speed card (M10311) in the test mode position or install a jumper between a ground and the test point J1 on the end of the right engine speed card (M10311).
 NOTE: Depending on the model of the speed card being
____ used, the new cards have the toggle switch , older cards have a test point. Either the toggle switch or the jumper provides a signal that the right engine is in operation.
 (b)  Place the toggle switch on the end of the left engine speed card (M10298) in the test mode position or install a jumper between a ground and the test point J1 on the end of the left engine speed card (M10298).
 NOTE: Depending on the model of the speed card being
____ used, the new cards have the toggle switch , older cards have a test point. Either the toggle switch or the jumper provides a signal that the left engine is in operation.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 液壓 CHAPTER 29 - HYDRAULIC POWER 2(128)