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(b) Make sure that the PCAs on the same elevator has the conditions that follow: 1) The difference between the largest and smallest elevator up
travel for the PCAs on the left elevator is less than 1.15 inch (29.2 mm). 2) The difference between the largest and smallest elevator down travel for the PCAs on the left elevator is less than
1.15 inch (29.2 mm).
3) The difference between the largest and smallest elevator up travel for the PCAs on the right elevator is less than 1.15 inch (29.2 mm).
4) The difference between the largest and smallest elevator down travel for the PCAs on the right elevator is less than
1.15 inch (29.2 mm).
(c)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: 1) 11H18, FLT CONT SHUTOFF TAIL CTR 2) 11H28, FLT CONT SHUTOFF TAIL RIGHT
(d)
Put the R and C FLT CONTROL SHUTOFF switches on the P61 panel to the ON position.
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. INJURY TO PERSONS OR DAMAGE TO
EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(e)
Pressurize the right and center hydraulic systems (AMM 29-11-00/201).
(f)
Make sure that the left hydraulic system is pressurized (AMM 29-11-00/201).
(g)
Shake the control columns to make sure the control columns are in the neutral position.
NOTE: Do not move control columns from this position until
____ the test is completed.
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(h) (i) Make a mark on the index plate at the left and right elevator trailing edge upper surfaces (Fig. 505).Make sure that the marks are less than | 0.15 inch (| 3.8 mm) away from the elevator rig position locating holes on the index plates.
NOTE:____ Identify these marks (with all three hydraulic systems pressurized) for use in subsequent steps.
(j) (k) Remove the pressure from the right and center hydraulic systems (AMM 29-11-00/201).Make a mark on the index plates at the left and right elevator trailing edge upper surfaces.
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. INJURY TO PERSONS OR DAMAGE TO
EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(l)
Pressurize the center hydraulic system (AMM 29-11-00/201).
(m)
Remove the pressure from the left hydraulic system (AMM 29-11-00/201).
(n)
Make a mark on the index plate at the left and right elevator trailing edge upper surfaces.
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. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(o)
Pressurize the right hydraulic system (AMM 29-11-00/201).
(p)
Remove the pressure from the center hydraulic system (AMM 29-11-00/201).
(q)
Make a mark on the index plates at the left and right elevator trailing edge upper surfaces.
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(r) Do the steps that follow to compare the elevator position marks on the index plates: 1) For each elevator, make sure that the position marks for
each hydraulic system pressurized are less than | 0.10
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本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 3(37)
