noise in the system.

 (h)  
Move the captain's column approximately 2 degrees in the forward direction and release. 1) Make sure the elevator trailing edge aligns with the index

 mark in 0.00 |0.12 inch.

 (i)  
Move the control column 2 degrees aft and release.

 1)  Make sure the elevator trailing edge aligns with the index mark in 0.00 |0.12 inch.

 (j)  
Move the control column lightly in a longitudinal direction to make sure the system is in the center position. 1) Make sure the trailing edge of the right elevator aligns

 with the index mark in 0.04 inch or less.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 (k)  Apply masking tape on the tail cone along the travel direction of the elevator trailing edge.
 NOTE: You can use the elevator travel measuring tool as an____ alternative to the tape method.
 (l) (m) (n)  Move the captain's control column lightly in a longitudinal direction to make sure the system is in the center position. 1) Release the control column.Make a mark of the neutral position of the elevator trailing edge on the masking tape. 1) Use this mark of the neutral position as a reference.Move the captain's control column slowly aft. 1) Hold the control column at these elevator positon and make sure the forces to move the column are in these limits:
 ~............................................
 | CAPTAIN'S CONTROL COLUMN AFT | ..............................................
 | RIGHT ELEVATOR | REQUIRED COLUMN | | POSITION | FORCE - POUNDS | ..............................................
 | Breakout *[1] | 5.0 (| 2.0) | ..............................................
 | 1.95 (| 0.05) in. up | 18.5 (| 2.0) | ..............................................
 | 5.10 (| 0.05) in. up | 25.5 (| 3.0) | ..............................................
 | 9.45 (| 0.05) in. up | 35.5 (| 3.5) | 2.......................…....................1
 *[1] Measure column force when elevator starts to move.
 (o)  Move the captain's control column slowly forward and make sure the necessary forces to move the column are in these limits:

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01 Page 555 ú Mar 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 (p)

(q)

(r)

(s)

A
737-300/400/500MAINTENANCE MANUAL
 ~............................................
 | CAPTAIN'S CONTROL COLUMN FORWARD |
 ..............................................
 | RIGHT ELEVATOR | REQUIRED COLUMN |
 | POSITION | FORCE - POUNDS |
 ..............................................
 | Breakout *[1] | 5.5 (| 2.0) |
 ..............................................
 | 1.95 (| 0.05) in. dn | 20.5 (| 2.0) |
 ..............................................
 | 5.10 (| 0.05) in. dn | 33.5 (| 3.5) |
 ..............................................
 | 9.45 (| 0.05) in. dn | 40.5 (| 4.0) |
 2.......................…....................1

 *[1] Measure column force when elevator
 starts to move.

Set the FLT CONTROL B switch to OFF and the FLT CONTROL A
 switch ON.
Move the control column to align the trailing edge of the right
 elevator with the index in +/- 0.04 inch.
Measure the distance between the elevator bottom edge and the
 tab bottom edge (Fig. 511).

 NOTE: This is the left tab neutral position (LTNP) and the

____ right tab neutral position (RTNP).
AIRPLANES WITHOUT THE MECHANICAL STOPS ON THE ELEVATOR BUS
 CRANK (FIG. 505);
 Calculate the tab travel:
 1) Move the captain's control column aft until it touches the stop and hold. a) Make sure the trailing edge of the right elevator moves up 14.60 +0.30/-0.55 inches from the index mark. b) Measure and write the left tab down position (LTDP). c) Measure and write the right tab down position (RTDP).
　
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