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27-32-00
ALL ú ú 03A Page 505 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 865-171
(7)
Put the flap lever in the 25-unit detent
S 865-172
(8)
Hold down the L STALL (R STALL) TEST switch.
S 215-173
(9)
Make sure the L (R) stick shaker and both columns shake.
S 865-174
(10)
Release the L STALL (R STALL) TEST switch.
S 215-175
(11)
Make sure that the L (R) stick shaker and both columns stop.
S 715-196
(12)
Do the previous test steps for the right (or left) system if it is necessary.
F.
Do a Test of the Auto Slats
NOTE: Make sure you do the tests for both the left and the right systems
____ if these procedures are being done for scheduled maintenance checks.
S 215-091
CAUTION: MAKE SURE THE MOVEMENT OF THE SLATS DOES NOT HIT OR CATCH THE
_______ ACCESS DOOR FOR THE ENGINE STRUT, THE INBOARD FAN COWLING, AND THE THRUST REVERSER COWLING. IF THE MOVEMENT OF THE SLATS IS BLOCKED, IT CAN CAUSE DAMAGE TO THE AIRPLANE.
(1)
Make sure the movement of the leading edge slats does not catch or hit these panels:
(a)
The access doors for the left and right engine struts.
(b)
The inboard fan cowling on the left and right engines.
(c)
The thrust reverser cowling on the left and right engines.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-32-00
ALL ú ú 02A Page 506 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 865-092
WARNING:_______ KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER,
FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED
SURFACES. OPERATION OF STALL WARNING TEST SWITCHES WILL CAUSE
THE SLATS TO MOVE TO THEIR FULLY EXTENDED POSITION. INJURY TO
PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER
IS SUPPLIED.
(2)
Pressurize the left hydraulic system and reservoir (AMM 29-11-00/201), if it is not already done.
(a)
If a ground cart is not available, do these steps: 1) Pressurize the left and right ACMP's (AMM 29-11-00/201). 2) Set the PTU manual switch on the right side panel, P61, to
the ON position.
(b)
Put the flap lever in the 1-unit position.
(c)
Make sure the leading edge slats move to the intermediate position.
S 745-194
(3)
Hold down the STALL L (STALL R) test switch.
(a)
Make sure the leading edge slats move to the fully extended position.
NOTE: The left (right) stick shaker will shake the columns.
____
NOTE: A slight hesitation of the slat motion may be noticed.
____ This hesitation is due to the toggling of the Autoslat discrete when the stall warning test switch is held down. This hesitation is normal.
S 745-193
(4)
Release the STALL L (STALL R) test switch.
(a)
Make sure the leading edge slats move to the intermediate position.
NOTE: The left (right) stick shaker and columns will stop.
____
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