757
MAINTENANCE MANUAL
~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | |............................................................................... | 401 | 3 | Feel Actuator | 27-31-53 | 01 | 660 | | | 8 | Spacer | | | 635 | | | 9 | Bushing | | | 620 | | | 10 | Washer | | | 615 | | | 11 | Nut | | | 625 | | | 12 | Slide Block | | | 630 | | | 13 | Bolt Assembly | | | 585 | | | 15 | Nut | | | 600 | | | 16 | Washer | | | 590 | | | 17 | Bolt | | | 586 | | | 18 | Retainer | | | 610 | | | 19 | Bushing | | | 605 | | | 20 | Nut | | | 600 | | | 21 | Washer | | | 590 | | | 22 | Nut | | | 595 | | | 23 | Washer | | | 587 | | | 25 | Washer | | | 650 | | | 26 | Nut | | | 600 | | | 27 | Nut | | | 651 | | | 28 | Washer | | | 645 | | | 30 | Bolt Assembly | | | 640 | 2.......….......…...................................…...........….....…........1
D. References
(1)
06-42-00/201, Empennage Access Doors and Panels
(2)
24-22-00/201, Electrical Power - Control
(3)
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(4)
34-11-00/201, Pitot-Static System
E.
Access
(1)
Location Zones 211/212 Control Cabin 313/314 Stabilizer Center Section Compartment
(2)
Access Panels
313AL Elevator Feel Actuator
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757 MAINTENANCE MANUAL
F. Install the Feel Actuator (Fig. 401)
S 434-012
(1)
Install the bolts (13, 17, 30) to connect the feel actuator (3) to the feel unit (1) and tighten the nuts as follows:
(a)
Tighten the nut (11) to 100-125 pound-inches (11.3-14.1 Nm).
(b)
Tighten the nut (20) to 30-35 pound-inches (3.39-3.95 Nm).
(c)
Tighten the nut (22) to 85-100 pound-inches (9.6-11.3 Nm).
(d)
Tighten the nut (26) to 30-35 pound-inches (3.39-3.95 Nm).
(e)
Tighten the nut (27) to 85-100 pound-inches (9.6-11.3 Nm).
S 434-013
(2)
Remove the plugs from the hydraulic lines and the caps from the ports.
S 434-014
(3)
Connect the hydraulic lines (4, 5, 6, 7) to the feel actuator (3).
NOTE: Apply a layer of hydraulic fluid to the hydraulic fittings
____
before you install the lines.
G. Feel Actuator Test
S 864-015
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. INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(1)
Pressurize the left, right, and center hydraulic systems
(Ref 29-11-00).
S 864-016
(2)
Move the stabilizer until Dimension B on the stabilizer ballscrew actuator is 15.89 | 0.01 inches (403.6 +/- 0.25 mm) (Fig. 402).
S 224-017
(3)
Push the captain's control column to the forward stop and do the checks that follow:
(a)
Make sure the contacts on the aft quadrant stops.
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757
MAINTENANCE MANUAL
(b) Make sure the left elevator is not less than 18.15 inches (461 mm) away from the top edge of the index plate (Fig. 403).
NOTE:____ To find the elevator down travel distance, measure the straight-line distance between these two locations: - The top edge of the index plate - The top surface of the elevator trailing edge at the inboard corner.
(4) S 224-018Pull the captain's control column to the aft stop and do the checks that follow: (a) Make sure the contacts on the aft quadrant stops. (b) Make sure the left elevator position is not less than 29.08 inches away from the bottom edge of the index plate (Fig. 403).
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