水平安定面排故总结厂家资料

xingjiajia · 发表于 2013-9-5 05:52:47

这个资料非常棒，CRJ100/200，CL604/605都适用，由于是PDF版，里面的内容就不贴了，自己下了看就行。

Horizontal Stabilizer Trim Control System
Horizontal Stabilizer Trim Control System Training and Troubleshooting presentation
The intent of this presentation is to provide an overview of the CL-604 HSTCS to better understand the operation. In addition, assist the maintenance technician to efficiently troubleshoot failures and clearly definethe different maintenance diagnostic data.

General
•The HSTCS changes the angle of incidence of the horizontal stabilizer
•The range angle of the stabilizer is between 0 degree (leading edge up) and -9 degree (leading edge down)
•The HSTCS contains the components that follow:
-One Horizontal Stabilizer Trim Control Unit (HSTCU)
-One Motor Control Unit (MCU)
-One Horizontal Stabilizer Actuator (HSTA)
-Two disconnect switches (pilot and co-pilot)
-Two trim switches (pilot and co-pilot)
-One pitch trim control panel which contains two trim channel engage switches and one Mach trim engage switchHSTCS

Component Details -HSTCU•The HSTCU is located on the left hand side of the avionic bay•The HSTCU contains 2 independent and identical channels and 1 BITE module:-Channel 1 & 2 : priority code logic, mach trim function & takeoff position comparator-BITE Module: Common to both channels•It is powered by 2 independent power sources: -28Vdc Bus 2 (CH1)-28Vdc Essential bus (CH2)•In normal configuration, channel 1 & 2 are engaged. CH1 is in command and CH2 operates as a standby