(b)
Make sure that THR L1, THR R1, THR L2, and THR R2 do not show on the unit display. Ignore other indications.
(c)
Push the VERIFY switch when the display tells you to continue the test.
(d)
Continue the test until TEST END shows on the display.
S 716-031
(14)
Move the thrust levers forward from the idle position.
S 716-032
(15)
Push and hold the ENABLE/VERIFY switch and then push the VERIFY switch. Release the two switches at the same time.
(a)
Make sure that THR L1, THR R1, THR L2, and THR R2 show on the unit display. Ignore other indications.
NOTE: If the message "A/B SYS" appears during the test as a
____ result of the RTO mode being simulated, no further trouble-shooting is required.
(b)
Push the VERIFY switch when the display tells you to continue the test.
(c)
Make sure that the unit display flashes WAIT four times while the test continues.
(d)
The message TEST END will then show on the display.
D.
Put the Airplane Back to Its Usual Condition
S 866-035
(1)
Put the AUTOBRAKES selector switch to the OFF position.
(2)
Put the thrust levers in the idle position.
(3)
Put the L, R, and C IRUs to the OFF position.
S 416-047
(4)
Install the access panel for the E5 rack on the forward bulkhead of the forward cargo compartment (AMM 25-50-03/401).
S 866-036
S 866-037
32-42-00
ALL ú ú 11 Page 605 ú Jan 28/01
A
757 MAINTENANCE MANUAL
S 416-048
(5)
Close the forward cargo door, 821.
S 866-049
(6)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 32-42-00-716-050
3. Autobrake Solenoid Valve, Valve Indication, and Valve Relay Operation - Test
_____________________________________________________________________________
A. References
(1)
AMM 06-46-00/201, Entry, Service, and Cargo Doors
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 25-50-03/401, Bulkhead Lining
(4)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic Systems
(5)
AMM 32-00-15/201, Landing Gear Door Locks
(6)
AMM 32-00-20/201, Landing Gear Downlocks
(7)
AMM 34-21-00/501, Inertial Reference System
B.
Access
(1)
Location Zones
143/144 MLG Wheel Well
211/212 Control Cabin
731/741 Landing Gear
120 Main Equipment Center
(2)
Access Panel
119AL Main Equipment Center
C.
Prepare for the test.
S 496-051
(1)
Make sure that chocks are installed on the airplane wheels.
S 496-052
(2)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
(3)
Supply electrical power (AMM 24-22-00/201).
S 866-053
S 866-054
WARNING: USE 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 AND DAMAGE TO EQUIPMENT.
(4)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
(5)
Release the parking brake.
S 866-055
32-42-00
ALL ú ú 10 Page 606 ú May 28/99
A
757
MAINTENANCE MANUAL
S 866-056
(6)
Make sure that the thrust levers are in the idle position.
S 866-057
(7)
Put the spoiler/speedbrake handle on the center control stand in the down-and-locked detent.
S 866-058
(8)
Put the L, R, and C IRUs in the NAV mode (AMM 34-21-00/501).
NOTE: The IRUs must be aligned.
____
S 866-059
(9)
Pressurize the right hydraulic system and reservoir.
S 866-060
(10)
Make sure that the AUTOBRAKES selector switch is in the OFF
position.
D.
Do an Indication Test for Solenoid Valve Operation
S 866-066
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 3(21)
