(2)  
AMM 27-61-00/201, Spoiler/Speedbrake Control System

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 24-41-02
 ALL  ú ú 01 Page 205 ú Jan 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 C. Access
 (1)  
Location Zones
 119 Main Equipment Center
 124 Area Below Forward Cargo Compartment (Right)

 (2)  
Access Panels
 119BL Main Equipment Center Access

 D. Install the External Power Receptacle
 S 422-012
 (1)  Do these steps to install the receptacle:
 (a)  
Use BMS 5-95, class B sealant to make a seal at the mating surface between the pan and the receptacle. Apply the sealant at a 0.25-inch radius around each of the 4 fastener locations.

 (b)  
Apply a layer of the sealant to each fastener with BMS 5-95, class A sealant.

 (c)  
Install the receptacle from the outer side of the airplane.

 (d)  
Install the eight washers and four nuts and bolts that hold the receptacle.

 WARNING:_______DO NOT BREATH THE FUMES FROM THE SOLVENT. DO NOT LET THE SOLVENT TOUCH THE SKIN FOR LONG OR FREQUENT TIMES. KEEP THE SOLVENT AWAY FROM SPARKS, HEAT AND FLAME. INJURY TO PERSONS CAN OCCUR IF YOU ARE NOT CAREFUL.

 (e)  
Use the TT-N-95 solvent to clean the terminals on the wires and the studs on the receptacle.

 CAUTION: MAKE SURE YOU CONNECT THE WIRES TO THE RECEPTACLE
_______ CORRECTLY. A SYSTEM MALFUNCTION AND EQUIPMENT DAMAGE CAN OCCUR IF YOU DO NOT CONNECT THE WIRES CORRECTLY.
 (f)  Install the six leads on the receptacle terminal studs of the external power receptacle. 1) Install the nuts and the washers on the receptacle studs A,
 B, C, and N.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 24-41-02
 ALL  ú ú 01 Page 206 ú May 20/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 2) Tighten the nuts to 120-125 pound-inches. 3) Install the nuts and washers on the receptacle studs E and F. 4) Tighten the nuts to 28-32 pound-inches.
 (g)  
Apply a layer of potting compound to the terminals and wires.

 (h)  
Put the terminal cover in position on the terminals.

 (i)  
Install the four nuts that hold the terminal cover.

 (j)  
Close the floor panels on the forward right side of the E2 equipment rack in the main equipment center.

 E. Do a Test of the External Power Receptacle Installation
 S 862-013
 (1)  
Supply external power to the ac ground handling bus
 (AMM 24-22-00/201).

 S 712-014

 (2)  
Do these steps at the pilots' overhead panel, P5, to do a test of the receptacle:

 (a)  
Push the BAT switch to the ON position.

 (b)  
Make sure the two BUS TIE switches are in the ISLN position.

 (c)  
Make sure the white AVAIL light in the EXT PWR switch is on.

 (d)  
Push the EXT PWR switch.

 (e)  
Make sure the white ON light in the EXT PWR switch comes on.

 (f)  
Push the EXT PWR switch.

 (g)  
Make sure the white ON light in the EXT PWR switch goes off.

 S 442-015
 (3)  
Do the activation procedure for the spoilers if you did the deactivation procedure (AMM 27-61-00/201).

 (4)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 862-016
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 24-41-02
 ALL  ú ú 01 Page 207 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL
　
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 電源 ELECTRICAL POWER 2(77)