• 热门标签

当前位置: 主页 > 航空资料 > 机务资料 >

时间:2011-04-01 08:32来源:蓝天飞行翻译 作者:航空
曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

 TASK 21-31-11-398-001
 2.  Cabin Pressurization Outflow Valve Repairs
__________________________________________
 A.  Equipment
 (1)  Weight Tool 715853-1-T4 (Hamilton Standard)
 B.  Consumable Materials
 (1)  
B00148 Methyl Ethyl Ketone, TT-M-261

 (2)  
B00775 - Isopropyl Alcohol - TT-I-735

 (3)  
A00539 - Adhesive - BAC5010, Type 71 (Furane 8543, Ciba-Geigy)


 C.  References
 (1)  24-22-00/201, Electrical Power
 D.  Access
 (1)  Location Zone
 200 Lower Half of Fuselage

 E.  Procedure
 S 868-002
 (1)  
Supply electrical power (Ref 24-22-00/201).

 S 868-003

 (2)  
Operate the outflow valve until it is fully open:

 (a)  
Make sure that these circuit breakers on the P6 panel are closed. 1) AUTOMATIC AC AND DC 2) STBY AC AND DC 3) MAN AC AND DC

 (b)  
Set the FLT-GRD switch on the pressurization control panel to GRD.

 (c)  
Close the LANDING GEAR - LIGHTS circuit breaker on the P6 panel.

 (d)  
Set the mode selector switch to DC MAN.

 (e)  
Move and hold the toggle switch for the manual operation of the outflow valve to OPEN until the outflow valve is fully open.

 


 WARNING: DO NOT OPERATE THE OUTFLOW VALVE WHILE YOU DO THE REPAIR.
_______ IF YOU OPERATE THE VALVE WHILE YOU DO THE REPAIR, YOU CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (f)  Open and install safety collars on these circuit breakers on the P6 panel: 1) AUTOMATIC AC and DC
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-31-11
 ALL  ú ú 01 Page 801 ú Nov 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

OUTFLOW VALVE SEE

OUTFLOW VALVE
FRAME SEAL


OUTFLOW VALVE GATE OUTER SKIN PANEL

OUTFLOW VALVE FRAME

FWD
OUTFLOW VALVE (OUTFLOW VALVE SHOWN FULLY OPEN)


OUTLINE OF FRAME SEAL GROOVE NOT SHOWN FOR CLARITY
Cabin Pressurization Outflow Valve Seal Repair Figure 801
B02386
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-31-11
 ALL  ú ú 01 Page 802 ú Nov 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 2)  STBY AC and DC
 3)  MAN AC and DC
 S 148-004
 (3)  Use a plastic or wood tool with a sharp edge to remove the seal from
 the outflow valve frame.
 S 118-005
 (4)  Clean the frame seal groove with solvent, Series 89 (AMM
 20-30-89/201) to remove all signs of the adhesive.
 S 118-006
 (5)  Use a clean lint-free cloth to remove the solvent before it dries.
 S 348-007
 (6)  Use the manufacturers' instructions to prepare the adhesive.
 NOTE:____ The pot life of the adhesive at temperatures below
 100 degrees F. is 3 to 4 minutes.  The adhesive must be
 applied and the seal installed into the frame seal groove
 quickly after the adhesive is mixed.

 S 348-008
 (7)  
Apply a thin constant layer of the adhesive to the mating surfaces in the frame seal groove.

 S 428-009

 (8)  
Install the valve frame seal into the groove immediately after you apply the adhesive.

 S 498-010

 (9)  
Use the weight tool 715853-1-T4 and two C-clamps to hold the seal in the groove.

 S 348-011

 (10)
 Let the adhesive dry for a minimum of 120 minutes at a temperature more than 45 degrees F.

 S 098-012

 (11)
 Remove the weight tool and the C-clamps after the adhesive has dried.


 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:737-300 400 500 AMM 飞机维护手册 空调 AIR CONDITIONING 1(98)