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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757 MAINTENANCE MANUAL
 (c)  Make sure that the stabilizer trim position indicators read
 15.50 | 0.25 units of trim.
 L.  AIRPLANES WITH STAB TRIM LEVERS ON THE CONTROL STAND; Manual Override Lever Travel Test (Fig. 501)
 S 865-357
 (1)
Put the RIGHT STAB TRIM SHUTOFF switch on the P10 panel to NORM.

 S 865-358

 (2)
Move the stabilizer to 6 units of trim on the position indicators.

 S 865-359

 (3)  
Release the STAB TRIM control levers and let them go to the neutral position.

 S 485-360

 (4)  
Put a piece of masking tape, approximately 7.0 inches long, (180 mm) on the center of the white band on the right stab-trim control-lever-decal. Part of the forward and aft ends of the white band must show after the masking tape is put on.

 NOTE: Two pieces of masking tape can be used if:
____ - one piece is put forward of the white area on the decal and - one piece is put aft of the white area on the decal.
 S 865-361
 (5)
Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to CUTOUT.

 S 865-362

 (6)  
Pull both of the STAB TRIM control levers slowly aft until the stabilizer moves.

 S 935-363

 (7)  
Make a mark on the masking tape at the aft edge of the vertical shaft of the right stab-trim lever. The mark should be at the point where the stabilizer starts to move.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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757
MAINTENANCE MANUAL

 (8)  S 865-364Release the STAB TRIM control levers and let them go the neutral position.
 (9)  S 865-365Push both of the STAB TRIM control levers slowly forward until the stabilizer starts to move.
 S 935-366

 (10)
 Make a mark on the masking tape at the forward edge of the vertical shaft of the right stab-trim lever. The mark should be at the point where the stabilizer starts to move.

 S 865-367

 (11)
 Release the STAB TRIM control levers and let them go to the neutral position.

 S 865-368

 (12)
 Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to NORM.

 S 865-369

 (13)
 Put the RIGHT STAB TRIM SHUTOFF switch on the P10 panel to CUTOUT.

 S 865-370

 (14)
 Pull the STAB TRIM control levers slowly aft until the stabilizer starts to move.

 S 935-371

 (15)
 Make a mark on the masking tape at the aft edge of the vertical shaft of the right stab-trim lever. The mark should be at the point where the stabilizer starts to move.

 S 865-372

 (16)
 Release the STAB TRIM control levers and let them go to the neutral position.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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757
MAINTENANCE MANUAL

 S 865-373
 (17)
 Push the STAB TRIM control levers slowly forward until the stabilizer starts to move.

 S 935-374

 (18)
 Make a mark on the masking tape at the forward edge of the vertical shaft of the right stab-trim lever. The mark should be at the point where the stabilizer starts to move.

 S 865-375

 (19)
 Release the STAB TRIM control levers and let them go to the neutral position.

 S 225-376

 (20)
 Measure the distance of control lever travel (from the forward edge of the white area on the decal to the farthest forward mark on the tape). Distance of control lever travel must be 1.00 and 1.40 inches.

 S 225-377

 (21)
 Measure the distance of control lever travel (from the aft edge of the white area on the decal to the farthest aft mark on the tape). Distance of control lever travel must be 1.00 to 1.40 inches (26-35 mm).
　
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