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A
757
MAINTENANCE MANUAL
12. CONTROL ROD TORQUE AFT QUADRANT (2 LOCATIONS)
10. ELEVATOR FEEL ACTUATOR
9. PRESSURE LINE FOR THE RIGHT HYDRAULIC SYSTEM
8. RETURN LINE FOR THE
RIGHT HYDRAULIC
SYSTEM
7. RETURN LINE FOR THE CENTER HYDRAULIC SYSTEM
6. RETURN LINE FOR THE CENTER HYDRAULIC SEE C SYSTEM
11. DECENTERING SPRINGS (4 LOCATIONS)
B
A
ELEVATOR FEEL UNIT A
ELEVATOR FEEL
UNIT
SEE A
1. CONTROL RODS FOR THE NEUTRAL SHIFT MECHANISM
BOLT DETAIL 2. TORQUE BOX SEE B FOR THE AFT MECHANISM
A
B
3.
RVDT (3 LOCATIONS)
4.
RVDT CONNECTOR
5.
FEEL UNIT
FWD
OUTBD
Elevator Feel Unit Installation
Figure 202 (Sheet 1)
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MAINTENANCE MANUAL
THE BOLT HEADS UP.
B-B
Elevator Feel Unit Installation Figure 202 (Sheet 2)
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757 MAINTENANCE MANUAL
E. Remove the Feel Unit (Fig. 202)
NOTE: The elevator control system will move quickly to the APL NOSE DN
____ position when you disconnect the control rods and the hydraulic lines from the feel unit.
S 032-011
(1) Disconnect the electrical connectors from the RVDTs (3 locations).
S 032-012
WARNING: USE THE SPRING REMOVAL TOOL TO REMOVE THE DECENTERING SPRINGS.
_______ EACH SPRING HAS A LOAD OF 100 POUNDS (444 newtons). IF YOU LET A SPRING RETRACT FREELY, DAMAGE TO EQUIPMENT OR INJURY TO A PERSON CAN OCCUR.
(2)
Use the spring removal/installation tool to remove the decentering springs (11) (Fig. 204).
S 032-013
(3)
Disconnect the control rods on the aft quadrant (12) from the feel unit (5) (2 locations).
S 862-014
(4)
Disconnect the control rods on the neutral shift mechanism (1) from the feel unit (5) (2 locations).
S 032-015
(5)
Disconnect the hydraulic lines (6, 7, 8, 9) from the
feel actuator (10). (AMM 20-10-09/401)
S 032-016
(6)
Put plugs in the hydraulic lines and caps on the ports.
(7)
Disconnect the arm assembly (29) from the feel unit (5).
S 032-018
(8)
Hold the feel unit (5) and remove the bolts (21, 25) that attach the feel unit to the support bracket (24).
(9)
Remove the feel unit (5).
S 032-017
S 022-019
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A
ELEVATOR AFT QUADRANT
SEE A
POWER CONTROL ACTUATOR
SEE B
AFT QUADRANTS
OUTPUT ARM FOR THE RIGHT AFT QUADRANT
OUTPUT ARM FOR THE LEFT AFT QUADRANT
FWD
757
MAINTENANCE MANUAL
NEUTRAL SHIFT MECHANISM
SEE C POWER CONTROL ACTUATOR SEE B
RIG PIN HOLE
E/ST7
CONTROL ROD FOR THE LOWER AFT QUADRANT
ELEVATOR AFT QUADRANTS A
Elevator Feel Unit Adjustment Figure 203 (Sheet 1)
CONTROL ROD FOR THE UPPER AFT QUADRANT
TORQUE BOX FOR THE AFT MECHANISM
ELEVATOR FEEL UNIT
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