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 NOTE:____ To find the elevator up travel distance, measure the straight-line distance between these two locations: - The bottom edge of the index plate - The top surface of the elevator trailing edge at the inboard corner.
 (5)  S 284-019Push the captain's control column forward slowly until the elevators start to move and do the check that follows: (a) Make sure the control column force at this position is 3.0-5.0 pounds.
 (6)  S 864-020Let the control column go to the neutral position.
 (7)  S 284-021Pull the captain's control column aft slowly until the elevators start to move and do the check that follows: (a) Make sure the control column force at this position is 5.5-7.5 pounds.
 (8)  S 864-022Move the horizontal stabilizer until Dimension B on the stabilizer ballscrew actuator is 20.02 | 0.01 inches (508.5 +/- 0.25 mmm).
 (9)  S 864-023Remove the pressure from the center hydraulic system (Ref 29-11-00).

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757 MAINTENANCE MANUAL
 S 224-024
 (10)
 Do the check that follows for the control column forces with the right pitot tube pressurized:

 (a)  
Pressurize the lower right pitot tube to 2.40-2.50 psi (311-317 knots) (Ref 34-11-00).

 (b)  
Push the captain's control column forward until the left elevator moves down 1.45 | 0.05 inches

 (36.8 +/- 1.2 mm).
 (c)  
Measure and write down the control column force.

 (d)  
Let the control column go to the neutral position.

 (e)  
Pull the captain's control column aft until the left elevator moves up 1.45 | 0.05 inches (36.8 +/- 1.2 mm).

 (f)  
Measure and write down the control column force.

 (g)  
Let the control column go to the neutral position.

 (h)  
Make sure the sum of the two above control column forces is 75 | 8 pounds (333 +/- 45 newtons).

 S 864-025
 (11)
 Remove the pressure from the right hydraulic system (Ref 29-11-00).

 S 864-026

 (12)
 Remove the pressure from the lower right pitot tube (Ref 34-11-00).

 S 864-027

 (13)
 Pressurize the center hydraulic system (Ref 29-11-00).

 S 224-028

 (14)
 Do the check that follows for the control column forces with the left pitot tube pressurized:

 (a)  
Pressurize the lower left pitot tube to 2.40-2.50 psi (311-317 knots) (Ref 34-11-00).

 (b)  
Push the captain's control column forward until the left elevator moves down 1.45 | 0.05 inches

 (36.8 +/- 1.2 mm).
 (c)  
Measure and write down the control column forces.

 (d)  
Let the control column go to the neutral position.

 (e)  
Pull the captain's column aft until the left elevator moves up

 1.45 | 0.05 inches (36.8 +/- 1.2 mm).
 (f)  
Measure and write down the control column force.

 (g)  
Let the control column go to the neutral position.

 (h)  
Make sure the sum of the two above control column forces is 75 | 8 pounds (333 +/- 35 newtons).

 (15)
 Remove the pressure from the lower left pitot tube (Ref 34-11-00).

 S 864-030

 (16)
 Remove the pressure from the left, right and center hydraulic systems (Ref 29-11-00).

 S 864-029
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01 Page 410 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 H. Put the Airplane Back to Its Usual Condition
 S 864-031
 (1)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:

 (a)  
11B19, STAB TRIM ALT (IF INSTALLED)

 (b)  
11C12, STAB TRIM SHUTOFF LEFT

 (c)  
11C13, STAB TRIM SHUTOFF RIGHT
　
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