Aviation Partners Boeing
757-200 MAINTENANCE MANUAL SUPPLEMENT Part II
3) Verify the following circuit breakers are closed:
Circuit breaker panel Circuit Name C/B No.
P6 SPDBRK AUTOSTOW K22
P11 AUTO SPEEDBRAKE SYSTEM G11
4) Verify that there are not any fault lights on the SAC module. See task 27-62-00-000-502, step 17 to clear faults if necessary. (Determine the reason for the fault light(s) if the fault light(s) do not clear).
5) Move SPEEDBRAKE handle to the full UP position
6) Initiate the AUTO test by pressing and holding the AUTO button on the front of the SAC module for one second. Verify the following occur:
.
the TEST IN PROGRESS light on the SAC will illuminate
.
amber AUTO SPEED BRAKE EICAS message illuminates
.
amber AUTO SPDBRK message on overhead panel illuminates
.
the AUTOSTOW actuator located below the center control stand in the flight deck will retract
.
the SPEEDBRAKE handle moves to the 50% mark on the light plate
.
After approximately one second the AUTOSTOW actuator will extend and the
SPEEDBRAKE handle remains at the 50% position.
.
all lights shall extinguish upon test completion
7) Cycle the SPEEDBRAKE handle to the DOWN position then to full UP position and back to the DOWN and locked position. Verify that the SPEEDBRAKE handle forces are normal, maximum 6 lbs.
8) Return the airplane to normal configuration.
Aviation Partners Boeing
757-200 MAINTENANCE MANUAL SUPPLEMENT Part II
Task 27-62-00-000-504
4. Spoiler AUTOSTOW and System Rigging
A. General:
1) This procedure is to check and adjust, if necessary, the spoiler panel positions to meet the AUTOSTOW system operating requirements.
NOTE: General task 27-62-00-000-501 should be completed prior to completing this section of the document
B. Tool and Equipment Requirements
1) Rig pins
2) Slugs for landing gear proximity switches
3) Wing spoiler protractors
4) Air data test set (simulate air data to the right air data computer (R-ADC) D.
5) Wing spoiler protractors
6) Wire: BMS13-60, Type 2, Class 1, 20 gauge. Approx 24” (can be non-continuous)
C. Procedure
1) Make sure the airplane is in this configuration:
a) Electrical power is on (AMM 24-22-00/201). Note: If external power is used, supply external power per AMM 24-22-00/201, S862- 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757-200 MAINTENANCE MANUAL SUPPLEMENT Part II 维护手册补充(8)
